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Biomedical subjects

Daniel C Cherkin

Publications and source records attributed to Daniel C Cherkin.

At least 19 recordsLinked to original sources

Addition of choice of complementary therapies to usual care for acute low back pain: a randomized controlled trial.

STUDY DESIGN: A randomized controlled trial. OBJECTIVE: To investigate the effectiveness and cost of usual care plus patient choice of acupuncture, chiropractic, or massage therapy (choice) compared with usual care alone in patients with acute low back pain (LBP). SUMMARY OF BACKGROUND DATA: Few studies have evaluated care models with facilitated access to and financial coverage for adjunctive complementary and alternative medicine therapies. METHODS: A total of 444 patients with acute LBP (<21 days) were recruited from 4 clinical sites and randomized into 2 groups: usual care or choice. Outcomes included symptoms (bothersomeness), functional status (Roland), and satisfaction between baseline and 5 weeks, and cost of medical care in the 12 weeks after randomization. RESULTS: After 5 weeks, providing patients with a choice did not yield clinically important reductions in symptoms (median -4, [interquartile range -7, -2] for usual care, and -5 [-7, -3] for choice; P = 0.002) or improvements in functional status (-8 [-13, -2] for usual care, and -9 [-15, -4] for choice; P = 0.15). Although there was a significantly greater satisfaction with care in the choice group, this came at a net increase in costs of 244 dollars per patient. This consisted of a 99 dollars reduction in the average cost to the insurer for medical care but an additional cost of 343 dollars, for an average of 6.0 complementary and alternative medicine treatments per patient. CONCLUSIONS: A model of care that offered access to a choice of complementary and alternative medicine therapies for acute LBP did not result in clinically significant improvements in symptom relief or functional restoration. This model was associated with greater patient satisfaction but increased total costs. Future evaluations of this choice model should focus on patients with chronic conditions (including chronic back pain) for which conventional medical care is often costly and of limited benefit.

Acupuncture Therapy↗

Development of a taxonomy to describe massage treatments for musculoskeletal pain.

BACKGROUND: One of the challenges in conducting research in the field of massage and bodywork is the lack of consistent terminology for describing the treatments given by massage therapists. The objective of this study was to develop a taxonomy to describe what massage therapists actually do when giving a massage to patients with musculoskeletal pain. METHODS: After conducting a review of the massage treatment literature for musculoskeletal pain, a list of candidate techniques was generated for possible inclusion in the taxonomy. This list was modified after discussions with a senior massage therapist educator and seven experienced massage therapists participating in a study of massage for neck pain. RESULTS: The taxonomy was conceptualized as a three level classification system, principal goals of treatment, styles, and techniques. Four categories described the principal goal of treatment (i.e., relaxation massage, clinical massage, movement re-education and energy work). Each principal goal of treatment could be met using a number of different styles, with each style consisting of a number of specific techniques. A total of 36 distinct techniques were identified and described, many of which could be included in multiple styles. CONCLUSION: A new classification system is presented whereby practitioners using different styles of massage can describe the techniques they employ using consistent terminology. This system could help facilitate standardized reporting of massage interventions.

Body Image↗

Insurance coverage and subsequent utilization of complementary and alternative medicine providers.

BACKGROUND: Since 1996, Washington State law has required that private health insurance cover licensed complementary and alternative medicine (CAM) providers. OBJECTIVE: To evaluate how insured people used CAM providers and what role this played in healthcare utilization and expenditures. STUDY DESIGN: Cross-sectional analysis of insurance enrollees from western Washington in 2002. METHODS: Analysis of insurance demographic data, claims files, benefit information, diagnoses, CAM and conventional provider utilization, and healthcare expenditures for 3 large health insurance companies. RESULTS: Among more than 600,000 enrollees, 13.7% made CAM claims. This included 1.3% of enrollees with claims for acupuncture, 1.6% for naturopathy, 2.4% for massage, and 10.9% for chiropractic. Patients enrolled in preferred provider organizations and point-of-service products were notably more likely to use CAM than those with health maintenance organization coverage. The use of CAM was greater among women and among persons 31 to 50 years of age. The use of chiropractic was more frequent in less populous counties. The CAM provider visits usually focused on musculoskeletal complaints except for naturopathic physicians, who treated a broader array of problems. The median per-visit expenditures were 39.00 dollars for CAM care and 74.40 dollars for conventional outpatient care. The total expenditures per enrollee were 2589 dollars, of which 75 dollars(2.9%) was spent on CAM. CONCLUSIONS: The number of people using CAM insurance benefits was substantial; the effect on insurance expenditures was modest. Because the long-term trajectory of CAM cost under third-party payment is unknown, utilization of these services should be followed.

Adolescent↗

Comparing yoga, exercise, and a self-care book for chronic low back pain: a randomized, controlled trial.

BACKGROUND: Chronic low back pain is a common problem that has only modestly effective treatment options. OBJECTIVE: To determine whether yoga is more effective than conventional therapeutic exercise or a self-care book for patients with chronic low back pain. DESIGN: Randomized, controlled trial. SETTING: A nonprofit, integrated health care system. PATIENTS: 101 adults with chronic low back pain. INTERVENTION: 12-week sessions of yoga or conventional therapeutic exercise classes or a self-care book. MEASUREMENTS: Primary outcomes were back-related functional status (modified 24-point Roland Disability Scale) and "bothersomeness" of pain (11-point numerical scale). The primary time point was 12 weeks. Clinically significant change was considered to be 2.5 points on the functional status scale and 1.5 points on the bothersomeness scale. Secondary outcomes were days of restricted activity, general health status, and medication use. RESULTS: After adjustment for baseline values, back-related function in the yoga group was superior to the book and exercise groups at 12 weeks (yoga vs. book: mean difference, -3.4 [95% CI, -5.1 to - 1.6] [P < 0.001]; yoga vs. exercise: mean difference, -1.8 [CI, -3.5 to - 0.1] [P = 0.034]). No significant differences in symptom bothersomeness were found between any 2 groups at 12 weeks; at 26 weeks, the yoga group was superior to the book group with respect to this measure (mean difference, -2.2 [CI, -3.2 to - 1.2]; P < 0.001). At 26 weeks, back-related function in the yoga group was superior to the book group (mean difference, -3.6 [CI, -5.4 to - 1.8]; P < 0.001). LIMITATIONS: Participants in this study were followed for only 26 weeks after randomization. Only 1 instructor delivered each intervention. CONCLUSIONS: Yoga was more effective than a self-care book for improving function and reducing chronic low back pain, and the benefits persisted for at least several months.

Adult↗

The role of alternative medical providers for the outpatient treatment of insured patients with back pain.

STUDY DESIGN: Analysis of health insurance claims from 2 large Washington State companies. OBJECTIVE: To evaluate the prevalence and cost of complementary and alternative medicine (CAM) provider use for back pain treatment. SUMMARY OF BACKGROUND DATA: Washington State requires all commercial insurance to cover licensed CAM providers. METHODS: Outpatient claims for the treatment of back pain were analyzed by the International Classification of Disease-9 codes and provider type. The number of visits and expenditures associated with different forms of treatments were calculated. RESULTS: Back pain accounted for 15% of all outpatient visits, and these companies spent more than $52 million on 652,593 claims submitted by 104,358 adults. Most people used only CAM (43%) or only conventional providers (45%) for back pain treatment, with merely 12% using both. Patients who saw only CAM providers had fewer comorbidities than the other 2 groups and made approximately twice as many visits as "conventional only" users (median 4 vs. 2). Average amount allowed per outpatient low back pain claim was lower for CAM visits (mean $50, SD $28) than for conventional visits (mean $128, SD $173). Total outpatient costs for the treatment of back pain were highest for the group using both CAM and conventional care (mean $1079, SD $1185), and lowest for the group using CAM only (mean $342, SD $429). CONCLUSION: Many people with back pain use only CAM for their treatment. Although less expensive, this group also appears to be less severely ill. Because of the high prevalence of this condition, cost-effectiveness studies that include CAM therapies are still warranted.

Adolescent↗

A survey of training and practice patterns of massage therapists in two US states.

BACKGROUND: Despite the growing popularity of therapeutic massage in the US, little is known about the training or practice characteristics of massage therapists. The objective of this study was to describe these characteristics. METHODS: As part of a study of random samples of complementary and alternative medicine (CAM) practitioners, we interviewed 226 massage therapists licensed in Connecticut and Washington state by telephone in 1998 and 1999 (85% of those contacted) and then asked a sample of them to record information on 20 consecutive visits to their practices (total of 2005 consecutive visits). RESULTS: Most massage therapists were women (85%), white (95%), and had completed some continuing education training (79% in Connecticut and 52% in Washington). They treated a limited number of conditions, most commonly musculoskeletal (59% and 63%) (especially back, neck, and shoulder problems), wellness care (20% and 19%), and psychological complaints (9% and 6%) (especially anxiety and depression). Practitioners commonly used one or more assessment techniques (67% and 74%) and gave a massage emphasizing Swedish (81% and 77%), deep tissue (63% and 65%), and trigger/pressure point techniques (52% and 46%). Self-care recommendations, including increasing water intake, body awareness, and specific forms of movement, were made as part of more than 80% of visits. Although most patients self-referred to massage, more than one-quarter were receiving concomitant care for the same problem from a physician. Massage therapists rarely communicated with these physicians. CONCLUSION: This study provides new information about licensed massage therapists that should be useful to physicians and other healthcare providers interested in learning about massage therapy in order to advise their patients about this popular CAM therapy.

Adult↗

Practice patterns of naturopathic physicians: results from a random survey of licensed practitioners in two US States.

BACKGROUND: Despite the growing use of complementary and alternative medicine (CAM) by consumers in the U.S., little is known about the practice of CAM providers. The objective of this study was to describe and compare the practice patterns of naturopathic physicians in Washington State and Connecticut. METHODS: Telephone interviews were conducted with state-wide random samples of licensed naturopathic physicians and data were collected on consecutive patient visits in 1998 and 1999. The main outcome measures were: Sociodemographic, training and practice characteristics of naturopathic physicians; and demographics, reasons for visit, types of treatments, payment source and visit duration for patients. RESULT: One hundred and seventy practitioners were interviewed and 99 recorded data on a total of 1817 patient visits. Naturopathic physicians in Washington and Connecticut had similar demographic and practice characteristics. Both the practitioners and their patients were primarily White and female. Almost 75% of all naturopathic visits were for chronic complaints, most frequently fatigue, headache, and back symptoms. Complete blood counts, serum chemistries, lipids panels and stool analyses were ordered for 4% to 10% of visits. All other diagnostic tests were ordered less frequently. The most commonly prescribed naturopathic therapeutics were: botanical medicines (51% of visits in Connecticut, 43% in Washington), vitamins (41% and 43%), minerals (35% and 39%), homeopathy (29% and 19%) and allergy treatments (11% and 13%). The mean visit length was about 40 minutes. Approximately half the visits were paid directly by the patient. CONCLUSION: This study provides information that will help other health care providers, patients and policy makers better understand the nature of naturopathic care.

Adolescent↗

Complementary and alternative medical therapies for chronic low back pain: What treatments are patients willing to try?

BACKGROUND: Although back pain is the most common reason patients use complementary and alternative medical (CAM) therapies, little is known about the willingness of primary care back pain patients to try these therapies. As part of an effort to refine recruitment strategies for clinical trials, we sought to determine if back pain patients are willing to try acupuncture, chiropractic, massage, meditation, and t'ai chi and to learn about their knowledge of, experience with, and perceptions about each of these therapies. METHODS: We identified English-speaking patients with diagnoses consistent with chronic low back pain using automated visit data from one health care organization in Boston and another in Seattle. We were able to confirm the eligibility status (i.e., current low back pain that had lasted at least 3 months) of 70% of the patients with such diagnoses and all eligible respondents were interviewed. RESULTS: Except for chiropractic, knowledge about these therapies was low. Chiropractic and massage had been used by the largest fractions of respondents (54% and 38%, respectively), mostly for back pain (45% and 24%, respectively). Among prior users of specific CAM therapies for back pain, massage was rated most helpful. Users of chiropractic reported treatment-related "significant discomfort, pain or harm" more often (23%) than users of other therapies (5-16%). Respondents expected massage would be most helpful (median of 7 on a 0 to 10 scale) and meditation least helpful (median of 3) in relieving their current pain. Most respondents indicated they would be "very likely" to try acupuncture, massage, or chiropractic for their back pain if they did not have to pay out of pocket and their physician thought it was a reasonable treatment option. CONCLUSIONS: Most patients with chronic back pain in our sample were interested in trying therapeutic options that lie outside the conventional medical spectrum. This highlights the need for additional studies evaluating their effectiveness and suggests that researchers conducting clinical trials of these therapies may not have difficulties recruiting patients.

Acupuncture↗

A review of the evidence for the effectiveness, safety, and cost of acupuncture, massage therapy, and spinal manipulation for back pain.

BACKGROUND: Few treatments for back pain are supported by strong scientific evidence. Conventional treatments, although widely used, have had limited success. Dissatisfied patients have, therefore, turned to complementary and alternative medical therapies and providers for care for back pain. PURPOSE: To provide a rigorous and balanced summary of the best available evidence about the effectiveness, safety, and costs of the most popular complementary and alternative medical therapies used to treat back pain. DATA SOURCES: MEDLINE, EMBASE, and the Cochrane Controlled Trials Register. STUDY SELECTION: Systematic reviews of randomized, controlled trials (RCTs) that were published since 1995 and that evaluated acupuncture, massage therapy, or spinal manipulation for nonspecific back pain and RCTs published since the reviews were conducted. DATA EXTRACTION: Two authors independently extracted data from the reviews (including number of RCTs, type of back pain, quality assessment, and conclusions) and original articles (including type of pain, comparison treatments, sample size, outcomes, follow-up intervals, loss to follow-up, and authors' conclusions). DATA SYNTHESIS: Because the quality of the 20 RCTs that evaluated acupuncture was generally poor, the effectiveness of acupuncture for treating acute or chronic back pain is unclear. The three RCTs that evaluated massage reported that this therapy is effective for subacute and chronic back pain. A meta-regression analysis of the results of 26 RCTs evaluating spinal manipulation for acute and chronic back pain reported that spinal manipulation was superior to sham therapies and therapies judged to have no evidence of a benefit but was not superior to effective conventional treatments. CONCLUSIONS: Initial studies have found massage to be effective for persistent back pain. Spinal manipulation has small clinical benefits that are equivalent to those of other commonly used therapies. The effectiveness of acupuncture remains unclear. All of these treatments seem to be relatively safe. Preliminary evidence suggests that massage, but not acupuncture or spinal manipulation, may reduce the costs of care after an initial course of therapy.

Acupuncture Therapy↗

Description and validation of a noninvasive placebo acupuncture procedure.

OBJECTIVE: To evaluate a simulated acupuncture technique for use in randomized controlled trials assessing the efficacy of acupuncture for low-back pain. SETTING: The clinic of an accredited acupuncture college in Seattle, Washington. SUBJECTS: Acupuncture-naïve enrollees of Group Health Cooperative who had visited their primary care provider with a complaint of back pain that persisted for at least 3 months. EXPERIMENTAL DESIGN: In the first experiment, subjects received six insertions of real needles and six pokes with a toothpick in a guidetube in a two-period crossover design. In the second experiment, subjects were randomly assigned to receive either a complete treatment with real acupuncture needles or a simulated treatment using a toothpick in a guidetube. OUTCOMES: In the first experiment, we compared subjects' perceptions about which implement was used for each "insertion" while in the second, we compared the perceptions (e.g., acupuncturist's warmth and caring, the reasonableness of acupuncture as a treatment) and pain relief of those who received an acupuncture treatment using needles to those receiving simulated acupuncture. RESULTS: In the first experiment, the toothpick insertions were perceived as slightly more like real needling than the real needling (mean ratings of 2.8 and 2.1, respectively; p = 0.08). In the second experiment, 52% percent of those receiving the simulated needling versus 65% of those receiving real acupuncture believed they were "definitely" or "probably" receiving real acupuncture (p = 0.33). Perceptions of acupuncture, as measured by a credibility questionnaire, were similar in the two groups. Those receiving real acupuncture were more likely to report immediate pain relief, and this was the factor most predictive of the subject's belief about which treatment they had received (p = 0.02). CONCLUSIONS: The simulated acupuncture procedure evaluated in this study represents a reasonable control treatment for acupuncture-naïve individuals in randomized controlled trials assessing the efficacy of acupuncture for low-back pain.

Acupuncture Analgesia↗

Mental health visits to complementary and alternative medicine providers.

The objective of this study was to examine the characteristics of mental health visits to Complementary and Alternative Medicine (CAM) providers. A representative sample of acupuncturists, chiropractors, massage therapists, and naturopathic physicians in four states reported on 8933 consecutive visits, including demographic characteristics; presenting complaints; referral source; treatments provided; disposition; and other sources of care for the presenting problem. The proportion of visits for a mental health complaint ranged from 7% to 11% for acupuncture, massage, and naturopathic physicians to less than 1% for chiropractors. For acupuncturists, massage therapists, and naturopaths, 69-87% of patients making mental health visits were self-referred. The CAM provider discussed care with a conventional medical provider in 6-20% of cases and was aware of concomitant conventional medical care in an additional 10-30%. Only 1-5% were subsequently referred to conventional providers. For acupuncturists, massage therapists, and naturopaths, the proportion of visits for mental health concerns is similar to that in conventional primary care. Mental health visits to chiropractors are much less common, but this may reflect differences in true prevalence or differences in presentation. Among those seeking CAM care for mental disorders, concomitant treatment by conventional medical providers is common, but communication or coordination of care is rare.

Acupuncture↗

Characteristics of chiropractic practitioners, patients, and encounters in Massachusetts and Arizona.

OBJECTIVE: To describe chiropractic care using data collected at the time of each patient visit. METHODS: Random samples of chiropractors licensed in Arizona and Massachusetts were recruited to participate in interviews about their training, demographics, and practice characteristics. Interviewees were then recruited to record information about patient condition, evaluation, care, and visit disposition on 20 consecutive patient visits. RESULTS: Data for 2550 chiropractic patient visits were recorded. Care for low back, head and neck pain accounted for almost three quarters of visits. Extremity conditions and wellness care accounted for approximately half of the remaining visits. Spinal and soft tissue examinations were the most frequently reported diagnostic procedures (80% and 56% of visits, respectively), and high-velocity spinal manipulation techniques were the most frequently reported therapeutic procedures (almost 85% of visits). Rehabilitation exercises, thermal modalities, electric stimulation, and counseling/education/self-care were each performed during approximately 25% of visits. Approximately 85% of patients seen were self-referred, whereas only approximately 5% came from medical physicians. Approximately 35% of visits had an expected source of payment directly from the patient. Approximately 80% of visits ended with a plan for the patient to return at a specified time. CONCLUSION: These findings are consistent with the findings of previous studies and confirm that chiropractors use conventional patient assessment approaches with specific attention to spinal and musculoskeletal procedures, infrequently incorporating interventions commonly associated with other complimentary and alternative care providers. These findings illustrate that diagnostic assessment and follow-up are integral to chiropractic clinical encounters and offer a baseline for best practices development. The data also offer insight into chiropractic use and may be of interest to chiropractic leaders and education planners for professional development purposes.

Adult↗

A comparison of physician and nonphysician acupuncture treatment for chronic low back pain.

BACKGROUND: Although up to a third of the 10,000 acupuncturists in the United States are medical doctors, little is known about the acupuncture techniques they use or how their practices compare with those of nonphysician licensed acupuncturists. This is the first study providing descriptive data on physician acupuncture and comparison to nonphysician acupuncture. PURPOSE: This study describes how a random sample of physician acupuncturists in the United States diagnose and treat chronic low back pain and contrasts their practices with those of nonphysician licensed acupuncturists. METHODS: A total of 464 questionnaires were mailed to physician acupuncturists randomly sampled from 3 sources: web-based Yellow Pages, American Academy of Medical Acupuncturists (AAMA) membership, and Pain Clinics associated with American College of Graduate Medical Education-approved fellowship programs. Responses (n=137, 30%) were analyzed using descriptive statistics. The results of this survey were compared with data published from a similar survey of nonphysician licensed acupuncturists in Washington State. RESULTS: Physicians who perform acupuncture use a mixture of styles and emphasize neuroanatomic approaches to needle placement. Most physicians received training in French Energetic acupuncture. In contrast, most nonphysician licensed acupuncturists use a traditional Chinese medicine approach to needle placement. Despite this apparent difference in their predominant styles of acupuncture, there was a high correlation between physician and nonphysician licensed acupuncturist acupoint selection to treat low back pain. In addition to acupuncture needling, physicians use other medical treatments, whereas nonphysician licensed acupuncturists' employ a variety of traditional Chinese medicine adjuncts to needling. CONCLUSION: This study provides new information about the nature of physician acupuncture practice in the United States and how it compares to acupuncture provided by nonphysician licensed acupuncturists. Further research is necessary to determine if the different types of acupuncture provided by physicians and nonphysician acupuncturists affect treatment outcomes and costs for patients with chronic low back pain.

Acupuncture Therapy↗

The diagnosis and treatment of chronic back pain by acupuncturists, chiropractors, and massage therapists.

OBJECTIVES: To describe the diagnostic and therapeutic content of visits for chronic back pain to acupuncturists, chiropractors, and massage therapists. METHODS: Randomly selected acupuncturists, chiropractors, and massage therapists in two states were surveyed, and then eligible providers collected data on consecutive patient visits. The authors analyzed information on diagnosis, treatment, and self-care recommendations for chronic back pain patients collected during consecutive patient visits to these complementary and alternative medicine (CAM) providers. RESULTS: Back pain was the most common reason for visits to each of these providers, with chronic back pain representing about 10% of visits to acupuncturists, 20% of visits to chiropractors, and 12% of visits to massage therapists. Diagnosis by acupuncturists included traditional questioning and inspecting the patient as well as pulse and tongue assessment and palpation of the acupuncture meridians. Treatments usually included acupuncture needling, heat of some sort, and other modalities, such as East Asian massage, herbs, and/or cupping (application of suction cups to the skin). Lifestyle recommendations were common, particularly exercise and dietary counseling. Visits to chiropractors usually included spinal and muscle/soft tissue examinations and spinal manipulation. Soft tissue techniques (eg, "active release"), stretch or strength training, and home exercise recommendations were much less common. Massage therapists usually performed a tissue assessment and commonly assessed range of motion. They emphasized Swedish, deep tissue, and trigger point massage techniques and usually made self-care recommendations, particularly increased water intake, hot/cold therapy, exercise, and body awareness. CONCLUSION: Information on the care patients routinely receive from CAM providers will help physicians better understand these increasingly popular forms of care.

Acupuncture Therapy↗

The practice of acupuncture: who are the providers and what do they do?

PURPOSE: This study provides basic information about the training and practices of licensed acupuncturists. METHODS: Randomly selected licensed acupuncturists in Massachusetts and Washington state were interviewed and asked to record information on 20 consecutive patient visits. RESULTS: Most acupuncturists in both states had 3 or 4 years of academic acupuncture training and had received additional "postgraduate" training as well. Acupuncturists treated a wide range of conditions, including musculoskeletal problems (usually back, neck, and shoulder) (33% in Massachusetts and 47% in Washington), general body symptoms (12% and 9%, respectively) such as fatigue, neurological problems (10% and 12%, respectively) (eg, headaches), and psychological complaints (10% and 8%, respectively) (especially anxiety and depression). Traditional Chinese medicine (TCM) was the predominant style of acupuncture used in both states (79% and 86%, respectively). Most visits included a traditional diagnostic assessment (more than 99%), regular body acupuncture (95% and 93%, respectively), and additional treatment modalities (79% and 77%, respectively). These included heat and lifestyle advice (66% and 65%, respectively), most commonly dietary advice and exercise recommendations. Chinese herbs were used in about one third of visits. Although most patients self-referred to acupuncture, about one half received concomitant care from a physician. Acupuncturists rarely communicated with the physicians of their patients who were providing care for the same problem. CONCLUSIONS: This study contributes new information about acupuncturists and the care they provide that should be useful to clinicians interested in becoming more knowledgeable about complementary or alternative medical therapies available to their patients.

Acupuncture↗

Characteristics of licensed acupuncturists, chiropractors, massage therapists, and naturopathic physicians.

BACKGROUND: Despite the growing popularity of complementary and alternative medical (CAM) therapies, little is known about the professionals who provide them. Our objective was to describe the characteristics of the four largest groups of licensed CAM providers in the United States and to compare them with the characteristics of conventional physicians. METHODS: Random statewide samples of licensed acupuncturists, chiropractors, massage therapists, and naturopathic physicians living in Arizona, Connecticut, Massachusetts and Washington were interviewed by telephone. Sociodemographic, training, and practice characteristics of CAM providers were elicited and compared with data on conventional physicians published by the American Medical Association. RESULTS: More than 160 providers in each profession were interviewed. Participation rates ranged between 78% and 94% except for Arizona chiropractors (61%). The proportion of female respondents was highest for massage therapy (85%) and acupuncture and naturopathy (almost 60%) and was lowest for chiropractic (about 25%) and conventional medicine (23%). Except for acupuncturists, only 5% of CAM providers were nonwhite. CAM providers were more likely than conventional physicians to practice solo (51%-74% vs 26%, respectively), and less than 10% practiced with medical physicians. Massage therapists saw the fewest patients per week (about 14), and chiropractors and conventional physicians the most (about 100). Chiropractors and conventional physicians saw about 3 patients per hour compared with roughly 1 patient per hour for the other CAM professions. Interstate differences were small. CONCLUSIONS: This characterization of CAM providers will help inform decisions about the future role of CAM providers in the health care system.

Adult↗

Characteristics of visits to licensed acupuncturists, chiropractors, massage therapists, and naturopathic physicians.

BACKGROUND: Despite growing popularity of complementary and alternative medical (CAM) therapies, little is known about the patients seen by CAM practitioners. Our objective was to describe the patients and problems seen by CAM practitioners. METHODS: We collected data on 20 consecutive visits to randomly sampled licensed acupuncturists, chiropractors, massage therapists, and naturopathic physicians practicing in Arizona, Connecticut, Massachusetts, and Washington. Data were collected on patient demographics, smoking status, referral source, reasons for visit, concurrent medical care, payment source, and visit duration. Comparative data for conventional physicians were drawn from the National Ambulatory Medical Care Survey. RESULTS: In each profession, at least 99 practitioners collected data on more than 1,800 visits. More than 80% of visits to CAM providers were by young and middle-aged adults, and roughly two thirds were by women. Children comprised 10% of visits to naturopathic physicians but only 1% to 4% of all visits to other CAM providers. At least two thirds of visits resulted from self-referrals, and only 4% to 12% of visits were from conventional physician referrals. Chiropractors and massage therapists primarily saw musculoskeletal problems, while acupuncturists and naturopathic physicians saw a broader range of conditions. Visits to acupuncturists and massage therapists lasted about 60 minutes compared with 40 minutes for naturopathic physicians and less than 20 minutes for chiropractors. Most visits to chiropractors and naturopathic physicians, but less than one third of visits to acupuncturists and massage therapists, were covered by insurance. CONCLUSIONS: This information will help inform discussions of the roles CAM practitioners will play in the health care system of the future.

Acupuncture↗