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Predictors of antipsychotic medication adherence in patients recovering from a first psychotic episode.

BACKGROUND: Many patients recovering from a first psychotic episode will discontinue medication against medical advice, even before a 1-year treatment course is completed. Factors associated with treatment adherence in patients with chronic schizophrenia include beliefs about severity of illness and need for treatment, treatment with typical versus atypical antipsychotic and medication side effects. METHOD: In this 2-year prospective study of 254 patients recovering from a first episode of schizophrenia, schizophreniform, or schizoaffective disorder we examined the relationship between antipsychotic medication non-adherence and patient beliefs about: need for treatment, antipsychotic medication benefits, and negative aspects of antipsychotic medication treatment. We also examined the relationship between medication non-adherence and treatment with either haloperidol or olanzapine, and objective measures of symptom response and side effects. RESULTS: The likelihood of becoming medication non-adherent for 1 week or longer was greater in subjects whose belief in need for treatment was less (HR=1.75, 95% CI 1.16, 2.65, p=0.0077) or who believed medications were of low benefit (HR=2.88, 95 CI 1.79-4.65, p<0.0001). Subjects randomized to haloperidol were more likely to become medication non-adherent for >or=1 week than subjects randomized to olanzapine (HR-1.51, 95% CI 1.01, 2.27, p=0.045). CONCLUSION: Beliefs about need for treatment and the benefits of antipsychotic medication may be intervention targets to improve likelihood of long-term medication adherence in patients recovering from a first episode of schizophrenia, schizoaffective, or schizophreniform disorder.

Adult↗

Nursing adherence with evidence-based guidelines for preventing ventilator-associated pneumonia.

OBJECTIVE: To review barriers to nursing adherence to nonpharmacologic evidence-based guidelines for preventing ventilator-associated pneumonia. DESIGN: Descriptive study. SETTING: Intensive care units. SUBJECTS: Subjects were 110 nurses approached at two critical care nursing meetings. INTERVENTIONS: A questionnaire was administered to nurses to assess their adherence to 19 nonpharmacologic prevention strategies and to identify barriers to adherence to evidence-based guidelines. MEASUREMENTS AND MAIN RESULTS: Fifty-one nurses responded, and overall nonadherence was 22.3%. Significant differences of adherence were identified when compared with the rates previously reported by physicians in nine of the 19 strategies investigated. The most important reasons for nonadherence were unavailability of resources (37.0%), patient discomfort (8.2%), disagreement with reported trial results (7.8%), fear of potential adverse effects (5.8%), and costs (3.4%). Nurses were more likely (p <.05) to identify patient discomfort (odds ratio, 4.8) and fear of adverse events (odds ratio, 3.3), whereas physicians were more likely to report costs (odds ratio, 5.4) and disagreement with interpretation of trials (odds ratio, 3.7) as reasons for nonadherence. CONCLUSIONS: Nurses had different levels of adherence than physicians for many nonpharmacologic strategies. The most important barriers to implementation were environment-related. Other reasons for nonadherence show significant variability between nurse and physician opinion leaders, patient-related barriers being significantly more important for nurses. Our findings suggest the need for development of multinational guidelines to reduce variability and the need to include the nursing point of view in these guidelines.

Attitude of Health Personnel↗

Adherence to combination antiretroviral therapies in HIV patients of low health literacy.

OBJECTIVE: To test the significance of health literacy relative to other predictors of adherence to treatment for HIV and AIDS. PARTICIPANTS: Community sample of HIV-seropositive men (n = 138) and women (n = 44) currently taking a triple-drug combination of antiretroviral therapies for HIV infection; 60% were ethnic minorities, and 73% had been diagnosed with AIDS. MEASUREMENTS: An adapted form of the Test of Health Literacy in Adults (TOFHLA), a comprehensive health and treatment interview that included 2-day recall of treatment adherence and reasons for nonadherence, and measures of substance abuse, social support, emotional distress, and attitudes toward primary care providers. MAIN RESULTS: Multiple logistic regression showed that education and health literacy were significant and independent predictors of 2-day treatment adherence after controlling for age, ethnicity, income, HIV symptoms, substance abuse, social support, emotional distress, and attitudes toward primary care providers. Persons of low literacy were more likely to miss treatment doses because of confusion, depression, and desire to cleanse their body than were participants with higher health literacy. CONCLUSIONS: Interventions are needed to help persons of low literacy adhere to antiretroviral therapies.

Acquired Immunodeficiency Syndrome↗

Feasibility of a music intervention protocol for patients receiving mechanical ventilatory support.

CONTEXT: Music has been found to be an effective nonpharmacologic adjunct for managing anxiety and promoting relaxation in limited trials of critically ill patients receiving mechanical ventilation. No data are available to determine the effect of the intervention over repeated trials or to determine whether patients or staff will use music intervention independently. OBJECTIVE: To test the feasibility of a patient-initiated music intervention protocol over a 3-day trial and to discern the associated barriers to adherence by study participants and nursing staff. DESIGN: Descriptive pilot study. SETTING: Two adult critical care units contained in 1 university-affiliated tertiary care center in the urban Midwest. PATIENTS: Five alert, critically ill adults receiving mechanical ventilatory support. INTERVENTION: Patient-selected music listening via audiotapes and head-phones with frequency and length of session determined by each patient. MAIN OUTCOME MEASURES: Anxiety, heart rate, respiratory rate, blood pressure, and identified barriers to protocol adherence. RESULTS: Subjects averaged 2 self-initiated music interventions (mode = 3; range = 1-5) and listened for an average of 67.8 minutes per session (SD 34.3; mode = 50; range = 25-120 minutes). Barriers to this intervention included inaccessibility of the equipment and lack of knowledge and experience of the nursing staff. Due to missing data, physiological measures were not interpretable. CONCLUSIONS: Patient-initiated music is a feasible intervention protocol: subjects were able to request music independently and nursing staff were cooperative. Findings will be used in future studies to refine the protocol and attendant measures to implement music intervention in the critical care setting and to develop detailed staff education materials.

Adult↗

The effects of a low-fat/high-fiber diet on sex hormone levels and menstrual cycling in premenopausal women: a 12-month randomized trial (the diet and hormone study).

BACKGROUND: Reduction of cumulative exposure to endogenous ovarian steroid hormones is a postulated method for reducing the risk of carcinoma of the breast and other malignancies. Although there are data from trials evaluating the effect of low-fat and high-fiber diets on sex hormone levels in premenopausal women, to the authors' knowledge none of these trials has combined a relatively large number of participants, follow-up of > 2-3 months, parallel controls receiving a usual diet, and careful timing of blood sampling within the menstrual cycle. METHODS: A total of 213 healthy women, ages 20-40 years, were randomly assigned to follow their usual diet or to adopt an isocaloric diet with goals of 20% calories as fat, total fiber of 25 g/day, and at least 8 fruit or vegetable servings per day. Serum levels of total estradiol (E2), sex hormone-binding globulin (SHBG), non-SHBG-bound estradiol (NSBE2), SHBG, and progesterone were evaluated during a menstrual cycle at baseline, and at 4 cycles (C4) and 12 cycles (C12) after the start of the intervention. Serum was collected during each test cycle 7-9 days after the detection of an luteinizing hormone peak in the urine. One hundred eighty-nine women provided serum at C4 and 176 women at C12. RESULTS: Serum E2 decreased by an average of 7.5% or 7.8 pg/mL (95% confidence interval [95% CI], -16.0-0.04) at C12 in the intervention group, versus a decrease of 0.9% or 0.9 pg/mL (95% CI, -9.5-7.7) in the control group (the P value for the difference between the treatment groups was 0.25). Results for NSBE2 were very similar to those for total estradiol. There were no material effects found to result from intervention with regard to SHBG or progesterone. The results did not differ by baseline age, body mass index, or baseline hormone level above or below the median, and were not likely to be affected by weight change, which amounted to a mean loss of only 0.23 kg in the diet group versus a gain of 0.17 kg in the control group. The decrease in serum E2 associated with intervention was not greater when subjects were stratified by self-reported adherence to the dietary goals. CONCLUSIONS: The results of the current study suggest that the effects of this isocaloric low-fat, high-fiber diet pattern on circulating ovarian steroids were modest or nonexistent. However, the observed 7.5% reduction in estradiol could have biologic significance if it persisted over many years. Moreover, underestimation of the true dietary effect could have occurred because of incomplete adherence to assigned diets. Weight loss and weight control through midlife could be a more effective and feasible approach to dietary intervention in reducing the risk of breast carcinoma.

Adult↗

Adherence to pharmacologic management of hypertension.

Adherence to pharmacologic therapy of hypertension is low (in the range of 50-70%) and has important implications both for blood pressure control and cardiovascular complications. Based on a review of the literature using the levels of evidence grading technique, determinants of adherence to the pharmacologic therapy of hypertension have been assessed. Additionally, interventions to improve compliance were evaluated. Patient-centred, health care provider-centred and drug-specific factors have all been shown to affect adherence rates. We conclude that the extent of adherence to pharmacologic therapy is modifiable. Measurable improvements in adherence can be obtained from simplified medication regimens and a combination of behaviour strategies, including the tailoring of pill-taking to patients' daily habits and rituals, the advocacy of self-monitoring of pills and blood pressure, and the institution of reward systems.

Antihypertensive Agents↗

Socioeconomic status as a moderator of ADHD treatment outcomes.

OBJECTIVE: To explore whether socioeconomic status (SES) variables moderate treatment response of attention-deficit/hyperactivity disorder (ADHD) to medication management (MedMgt), behavioral treatment (Beh), combined intervention (Comb), and routine community care (CC). METHOD: The MTA Cooperative Group's intent-to-treat (ITT) analyses were repeated, covarying for composite Hollingshead SES, education, occupation, income, and marital status. RESULTS: Individual SES variables were more informative than the composite Hollingshead Index. Treatment response of children from less educated households paralleled ITT outcomes: no significant difference was found between Comb and MedMgt (both better than Beh and CC) for core ADHD symptoms. However, children from more educated families showed superior reduction of ADHD symptoms with Comb. For oppositional-aggressive symptoms, children from blue-collar, lower SES households benefited most from Comb, whereas those from white-collar, higher SES homes generally showed no differential treatment response. Household income and marital status failed to influence outcomes. Controlling for treatment attendance attenuated the moderating effects of the SES variables only for MedMgt. CONCLUSIONS: Investigators are encouraged to use independent SES variables for maximal explanation of SES effects. Clinicians should prioritize target symptoms and consider the mediating role of treatment adherence when determining an ADHD patient's optimal intervention plan.

Attention Deficit Disorder with Hyperactivity↗

The Exercise Plus Program for older women post hip fracture: participant perspectives.

PURPOSE: The purpose of this study was to explore the experiences of older women post hip fracture who were exposed to a motivational intervention, the Exercise Plus Program, intended to increase adherence to exercise. DESIGN AND METHODS: This study used a naturalistic inquiry. We interviewed a total of 70 older women, 12 months post hip fracture, using an interview guide asking about issues related to willingness to exercise. All interviews were tape recorded and transcribed verbatim. RESULTS: Analysis of the semi-structured interviews revealed 44 codes that were categorized and reduced to 14 major themes. Eleven of these themes focused on components that facilitated participation in exercise and included: (a) real and expected benefits; (b) visual cues and knowing what to do; (c) simplicity; (d) individualized care; (e) verbal encouragement to exercise; (f) regular schedule; (g) confidence (i.e., self-efficacy); (h) determination; (i) social support; (j) reciprocity; and (k) goal identification. The remaining three themes reflected what decreased the participants' willingness to exercise: (a) unpleasant sensations; (b) constraints to exercise; and (c) getting back to baseline. IMPLICATIONS: The findings provide some support for the benefit of the Exercise Plus Program. Lessons learned in the Exercise Plus Program can be translated to the development of other motivational interventions to help engage older adults in exercise, particularly those individuals who recently experienced an acute event, such as a hip fracture.

Aged↗

Follow-up assessment of CPAP efficacy in patients with obstructive sleep apnea using an ambulatory device based on peripheral arterial tonometry.

This study aimed to assess the accuracy of a wrist-worn device based on peripheral arterial tonometry (Watch_PAT 100) to detect residual episodes of respiratory disturbance during continuous positive airway pressure (CPAP) therapy. Concurrent polysomnography was used as the reference standard to identify sleep disordered breathing (SDB) events. The study was conducted in three sleep laboratories affiliated with tertiary care academic medical centers. Seventy patients using CPAP to treat obstructive sleep apnea for at least 3 months, following an in-laboratory titration to determine the optimal therapeutic positive airway pressure, participated in this study. Symptoms indicating suboptimal therapy were not required for participation, but self-reported adherence to CPAP therapy was necessary for inclusion. Interventions are not applicable in this study. The accuracy of the PAT-derived respiratory disturbance index (PAT RDI scored by automated algorithm) to detect residual SDB on CPAP was assessed against polysomnography (PSG) using Bland-Altman analysis, receiver-operator characteristic (ROC) curves, and likelihood ratios for increasing (LR+) and decreasing (LR-) the probability of moderate-severe SDB in the study population. Respiratory events on the PSG were quantified using standard criteria for research investigations ("Chicago criteria") to yield a PSG RDI.C. Based on the PSG results, 19% of the participants had moderate-severe SDB (PSG RDI.C>15 events per hour) on their prescribed pressure. For PAT RDI >15 events per hour, the area under the ROC curve was 0.95 (SE 0.03, p < 0.0001, 95% CI 0.89 to 1.00), the LR+ was 8.04 (95% CI 3.64-17.7), and the LR- was 0.17 (95% CI 0.05-0.62). The mean difference between the PAT RDI and PSG RDI.C was three (2SD 14.5) events per hour. Therefore, residual moderate-severe SDB on CPAP was not uncommon in a multicenter population self-reporting adherence to CPAP therapy to treat obstructive sleep apnea. The Watch_PAT device accurately identified participants with moderate-severe SDB while using CPAP in the attended setting of a sleep laboratory.

Adult↗

Effects of nurse management on the quality of heart failure care in minority communities: a randomized trial.

BACKGROUND: Despite therapies proven effective for heart failure with systolic dysfunction, the condition continues to cause substantial hospitalization, disability, and death, especially among African- American and other nonwhite populations. OBJECTIVE: To compare the effects of a nurse-led intervention focused on specific management problems versus usual care among ethnically diverse patients with systolic dysfunction in ambulatory care practices. DESIGN: Randomized effectiveness trial conducted from September 2000 to September 2002. SETTING: The 4 hospitals in Harlem, New York. PATIENTS: 406 adults (45.8% were non-Hispanic black adults, 32.5% were Hispanic adults, 46.3% were women, and 36.7% were > or =65 years of age) who met eligibility criteria: systolic dysfunction, English- or Spanish-language speakers, community-dwelling patients, and ambulatory care practice patients. INTERVENTION: During a 12-month intervention, bilingual nurses counseled patients on diet, medication adherence, and self-management of symptoms through an initial visit and regularly scheduled follow-up telephone calls and facilitated evidence-based changes to medications in discussions with patients' clinicians. MEASUREMENTS: Hospitalizations (in 406 of 406 patients during follow-up) and self-reported functioning (in 286 of 406 patients during follow-up) at 12 months. RESULTS: At 12 months, nurse management patients had had fewer hospitalizations (143 hospitalizations vs. 180 hospitalizations; adjusted difference, -0.13 hospitalization/person-year [95% CI, -0.25 to -0.001 hospitalization/person-year]) than usual care patients. They also had better functioning: The Short Form-12 physical component score was 39.9 versus 36.3, respectively (difference, 3.6 [CI, 1.2 to 6.1]), and the Minnesota Living with Heart Failure Questionnaire score was 38.6 versus 47.3, respectively (difference, -8.8 [CI, -15.3 to -2.2]). Through 12 months, 22 deaths occurred in each group and percentages of patients who were hospitalized at least once were similar in each group (30.5% of nurse management patients vs. 36.5% of control patients; adjusted difference, -7.1 percentage points [CI, -16.9 to 2.6 percentage points]). LIMITATIONS: Three nurses at 4 hospitals delivered interventions in this modest-sized trial, and 75% of the participants were from 1 site. It is not clear which aspects of the complex intervention accounted for the results. CONCLUSIONS: Nurse management can improve functioning and modestly lower hospitalizations in ethnically diverse ambulatory care patients who have heart failure with systolic dysfunction. Sustaining improved functioning may require continuing nurse contact.

Adult↗

The effect of Easy Breathing on asthma management and knowledge.

OBJECTIVE: To determine whether Easy Breathing, an asthma management program, improves adherence to national asthma guidelines. DESIGN: Before and after intervention trial. SETTING: Six urban primary care clinics in Hartford, Conn. PARTICIPANTS: Thirty-four primary care physicians, 37 midlevel practitioners, 32 nurses, and 69 pediatric and family practice residents and medical students. INTERVENTIONS: Knowledge was assessed before (pretest) and after (posttest) a training program and 12 to 18 months after (follow-up) implementing Easy Breathing. Questions were divided into factual, guideline recommendation, and guideline application. MAIN OUTCOME MEASURES: The percentage of correct responses on the pretest, posttest, and follow-up tests; clinician adherence to national guidelines; and clinician attitudes. RESULTS: The percentage of correct responses on the pretest was higher for physicians (mean, 61%; 95% confidence interval [CI], 57%-65%) than for midlevel practitioners (mean, 54%; 95% CI, 50%-59%) (P=.01). Correct responses increased significantly on the posttest for physicians (mean, 77%; 95% CI, 74%-81%) in all 3 subgroups of questions (P<.001) and for midlevel practitioners (mean, 69%; 95% CI, 63%-75%) overall and for factual and guideline questions. On the follow-up test, improvements in factual and guideline responses disappeared for all clinicians but were sustained for applied questions (mean, 78% [95% CI, 63%-94%] for physicians and 65% [95% CI, 51%-78%] for midlevel practitioners). Adherence to prescribing guidelines after implementing Easy Breathing was 93% to 99% and was associated with a 3-fold increase in inhaled corticosteroid prescriptions. Physicians reported that they had integrated Easy Breathing into practice but did not think this represented a substantial change. CONCLUSIONS: Easy Breathing increases clinicians' knowledge and use of national guidelines. Primary care physicians believe they are adhering to guidelines even when they are not.

Asthma↗

Pharmacist intervention program for control of hypertension.

BACKGROUND: Pharmaceutical care programs have been shown to improve outcomes in hypertension. However, most programs required direct access to patient medical chart and patient consultation sessions by appointment. OBJECTIVE: To follow the current practice of community pharmacy, exploring the effect of an intervention program on blood pressure (BP) and factors affecting BP. METHODS: Treated hypertensive patients were enrolled in a 9-month controlled study involving 9 community pharmacies. The PRECEDE-PROCEED model was used as conceptual framework to identify factors affecting BP, to incorporate those factors in an intervention program, and to evaluate the impact of the program. A computerized decision-aid tool was used by pharmacists from 4 pharmacies to provide pharmaceutical care to subjects (n = 41); pharmacists from the 5 other pharmacies performed usual care (n = 59). As there was a statistically significant interaction due to family income in describing the impact of pharmacists' intervention on BP, population was stratified by family income in the analyses. RESULTS: Compared with the control group, the pharmacy program resulted in significant systolic BP reduction (-7.8 vs. 0.5 mm Hg; p = 0.01) and an increase in the proportion of controlled patients only for those with high incomes. In the high-income group, the program also had a positive impact on physical activity, self-reported adherence, health concerns, and information transmitted. The low-income group did not appear to benefit from the program. CONCLUSIONS: Pharmacist intervention can modify factors affecting adherence, improve adherence, and reduce BP levels in patients treated with antihypertensive agents. Impact of pharmacist intervention on BP differed according to patient income status.

Adolescent↗

Effects of computerized guidelines for managing heart disease in primary care.

BACKGROUND: Electronic information systems have been proposed as one means to reduce medical errors of commission (doing the wrong thing) and omission (not providing indicated care). OBJECTIVE: To assess the effects of computer-based cardiac care suggestions. DESIGN: A randomized, controlled trial targeting primary care physicians and pharmacists. SUBJECTS: A total of 706 outpatients with heart failure and/or ischemic heart disease. INTERVENTIONS: Evidence-based cardiac care suggestions, approved by a panel of local cardiologists and general internists, were displayed to physicians and pharmacists as they cared for enrolled patients. MEASUREMENTS: Adherence with the care suggestions, generic and condition-specific quality of life, acute exacerbations of their cardiac disease, medication compliance, health care costs, satisfaction with care, and physicians' attitudes toward guidelines. RESULTS: Subjects were followed for 1 year during which they made 3,419 primary care visits and were eligible for 2,609 separate cardiac care suggestions. The intervention had no effect on physicians' adherence to the care suggestions (23% for intervention patients vs 22% for controls). There were no intervention-control differences in quality of life, medication compliance, health care utilization, costs, or satisfaction with care. Physicians viewed guidelines as providing helpful information but constraining their practice and not helpful in making decisions for individual patients. CONCLUSIONS: Care suggestions generated by a sophisticated electronic medical record system failed to improve adherence to accepted practice guidelines or outcomes for patients with heart disease. Future studies must weigh the benefits and costs of different (and perhaps more Draconian) methods of affecting clinician behavior.

Algorithms↗

Nurse-led adherence support in hypertension: a randomized controlled trial.

BACKGROUND: Lack of medication adherence is a common reason for poor control of blood pressure in the community, increasing the risk of heart attacks and strokes. OBJECTIVE: To evaluate the effect of nurse-led adherence support for people with uncontrolled high blood pressure compared with usual care. METHODS: We recruited 245 women and men with uncontrolled hypertension (> or = 150/90 mmHg) from 21 general practices in Bristol, UK. Participants were randomized to receive nurse-led adherence support or usual care alone. Main outcome measures were adherence to medication ('timing compliance') and blood pressure. RESULTS: Mean baseline timing compliance (+/- SD) was high in both the intervention (90.8 +/- 15.6%) and the control group (94.5 +/- 7.6%). There was no evidence of an effect of the intervention on timing compliance at follow-up (adjusted difference in means -1.0%; 95% confidence interval (CI) -5.1 to 3.1). There was also no difference at follow-up between the groups with regard to systolic blood pressure (-2.7 mmHg; 95% CI -7.2 to 1.8) or diastolic blood pressure (0.2 mmHg; 95% CI -1.9 to 2.3). Projected costs for the primary care sector per consultation were 6.60 pound sterling for the intervention compared with 5.08 pound sterling for usual care. CONCLUSION: In this study, adherence to blood pressure medication was much higher than previously reported. There was no evidence of an effect of nurse-led adherence support on medication adherence or blood pressure compared with usual care. Nurse-led adherence support was also more expensive from a primary care perspective.

Aged↗

The nature and efficacy of intervention studies in the National High Blood Pressure Education Research Program.

Results from seven research projects funded by the National Heart, Lung and Blood Institute are reviewed. These methodologically advanced studies employed a variety of intervention strategies intended to improve blood pressure control and patient adherence to therapeutic recommendations. The strategies are categorized as representing four themes. The 'active patient' theme emphasizes the need to increase patient responsibility for self-care. The 'social support' theme is represented in interventions in which another person provides various resources for meeting the illness challenge. The 'fear arousal' theme is seen in manoeuvres that attempt to heighten patient concern about the dire consequences of illness. Finally, the 'patient instruction' theme is expressed as transmittal of information about the nature of the illness or therapeutic regimen. Studies using the 'active patient' theme, especially contingency contracting, and those employing 'social support' approaches, especially those involving home visitation of patients by members of the health care team, were found to be most effective.

Attitude to Health↗

Prevention interventions with persons living with HIV/AIDS: state of the science and future directions.

The National Institutes of Health (NIH/NIMH), the Centers for Disease Control and Prevention (CDC), and the HIV/AIDS Bureau of the Health Resources and Services Administration (HRSA) support the CDC's Serostatus Approach to Fighting the HIV Epidemic (SAFE; Janssen et al., 2001). One aim of the strategy is to help individuals living with HIV (and their partners) adopt and sustain HIV and STD risk reduction, treatment adherence, and effective strategies for coping with HIV/AIDS. Efficacious interventions are needed by community organizations and clinics that provide evidence-based services. To expedite translation from research to practice, we convened scientist-practitioners, HIV treatment and prevention providers, and community/consumer members. In this article, we include an overview of prevention trials with HIV-positive persons presented at the meeting, discuss strengths and limitations, recommendations for future research, and discuss sponsoring agencies' plans for advancing prevention tailored for persons living with HIV.

Centers for Disease Control and Prevention, U.S.↗

Impact of monetary incentives on adherence to referral for screening chest x-rays after syringe exchange-based tuberculin skin testing.

INTRODUCTION: Syringe-exchange programs (SEPs) have proven to be valuable sites to conduct tuberculin skin testing among active injection drug users. Chest x-rays (CXRs) are needed to exclude active tuberculosis prior to initiating treatment for latent tuberculosis infection. Adherence of drug users to referral for off-site chest x-rays has been incomplete. Previous cost modeling demonstrated that a monetary incentive to promote adherence could be justified on the cost basis if it had even a modest effect on adherence. METHODS: We compared adherence to referral for chest x-rays among injection drug users undergoing syringe exchange-based tuberculosis screening in New York City before and after the implementation of monetary incentives. RESULTS: From 1995 to 1998, there were 119 IDUs referred for CXRs based on tuberculin skin testing at the SEP. From 1999 to 2001, there were 58 IDUs referred for CXRs with a $25 incentive based on adherence. Adherence to CXR referral within 7 days was 46/58 (79%) among individuals who received the monetary incentive versus 17/119 (14%) prior to the implementation of the monetary incentive (P<.0001; odds ratio [OR]=23; 95% confidence interval [CI]=9.5-57). The median time to obtaining a CXR was significantly shorter among those given the incentive than among those referred without the incentive (2 vs. 11 days, P<.0001). In multivariate logistic regression analysis, use of the incentive was highly independently associated with increased adherence (OR=22.9; 95% CI=10-52). CONCLUSIONS: Monetary incentives are highly effective in increasing adherence to referral for screening CXRs to exclude active tuberculosis after syringe exchange-based tuberculin skin testing. Prior cost modeling demonstrated that monetary incentives could be justified on the cost basis if they had even a modest effect on adherence. The current data demonstrated that monetary incentives are highly effective at increasing adherence in this setting and therefore are justifiable on a cost basis. When health care interventions for drug users require referral off site, monetary incentives may be particularly valuable in promoting adherence.

Adult↗

[Non-compliance in HIV-infected patients, supported by a community association].

OBJECTIVE: To identify the factors linked to non-adherence to antiretroviral therapy in HIV-infected patients among the readership of REMAIDES, the AIDES association's medical information journal; AIDES is the principal organisation involved in the fight against AIDS in France. METHOD: A cross-cutting survey by questionnaire targeting the readers of REMAIDES. People who answered at least two independent questions as never forgetting or suspending their treatment were considered as adherents. RESULTS: Among the 1556 patients having responded to the survey, 888 (57%) are classified as adherents. The factors associated with non-adherence are as follows: young age, minimal financial resources, alcohol consumption, a lack of perceiving the treatment's effectiveness, absence of impact on anticipation of the future or emotional life, difficulties as far as in keeping up the medications or the treatment's integration into daily life, the impossibility of stopping the treatment, a duration of treatment > 2 years, hepatitis C co-infection and problematic side effects. Non-adherence is explained by the negative real-life experience of the person throughout the treatment. Interventions which aim to accompany patients under multiple therapies are preferable in order to improve adherence and increase the probability of successful treatment.

Adult↗