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PubMed2000

[Disability claim review by non-physicians to meet the legal requirement of Dutch work disability certification laws].

The number of assessments of incapacity for work has increased to such an extent in the Netherlands (450,000 per year, of which 150,000 are first assessments) that experiments are now being undertaken to employ non-physicians for these assessments. There is no shortage of insurance physicians however: the number available is underestimated as many of these have resigned their regular jobs to perform the same activities on a freelance or second basis. A problem is certainly that these physicians are hindered by an exceedingly bureaucratic system in which e.g. patients are summoned by the administrative section to be reassessed who have already resumed working. Non-physicians may assist in the assessments, but in most cases there is a relation between psychic, somatic and social factors, which requires the generalist physician's eye. The main problem is that government regulations lead to a steady growth in the number of (re)assessments required. A possible but onorthodox solution is proposed which involves medical certification of incapacity for work. This may discourage long-term absenteeism and at the same time it may draw the physician's attention to the existence of an industrial health care problem.

Clinical Competence↗
PubMed1985

[Incidence and prevalence of disabled rheumatic patients. A socio-epidemiological study on the services of the disability insurance system in the canton of Berne].

The incidence and prevalence of patients with musculoskeletal disorders benefiting from the Swiss invalidity insurance system in the Canton of Berne, Switzerland, are studied. During a 5-year period 1252 such patients (393 women) first received either payments or were supported by rehabilitation measures (incidence). The correlation of this incidence with sociodemographic factors such as sex, age, disease pattern, place of residence and occupation, as well as the type of service delivered, are analyzed and discussed. At a given date (March 1982) 2754 patients with musculoskeletal disorders were receiving insurance pension (prevalence). By relating these figures to census data (total population), a 1.37% 5-year benefit incidence and a 3.02% pension prevalence can be calculated.

Adolescent↗
PubMed2001

[Changes in the prevalence of disability pension in Iceland 1976-1996.].

OBJECTIVE: To determine changes in the prevalence of disability pension in Iceland and to describe the distribution of those receiving disability pension according to gender, age and main diagnoses between the years 1976 and 1996. MATERIAL AND METHODS: The study includes all those receiving disability pension on the 1st of December in the years 1976 and 1996 as ascertained by the disability register at the State Social Security Institute of Iceland. There are two levels of disability pension, full disability pension (disability assessed as being more than 75%) and reduced disability pension (disability assessed as being 50% or 65%). Information on age and gender distribution of the Icelandic population was obtained. Age-standardized risk ratio between the years 1976 and 1996 was calculated for both pension levels combined and for full disability pension alone. RESULTS: There was no significant change in crude prevalence rate for both pension levels combined between the years 1976 and 1996, when the increase in the population was accounted for but without paying attention to changes in gender or age distribution. However, the standardized risk ratio showed a significantly decreased risk for both pension levels combined both for men and women in the year 1996 as compared with the year 1976, the age-standardized risk ratio being 0.95 and 0.93 respectively. It also showed a significant change between pension levels with an increased risk of full disability pension and a decreased risk of reduced disability pension. The increase in full disability pension was noted for both males and females and was largely independent of age. There was a significant increase in full disability pension in most disease categories. Disability due to diseases of the nervous system and sense organs and injury and poisoning increased amongst women only. A significant decrease in full disability pension due to infections and diseases of the digestive system occurred in both men and women. CONCLUSION: The prevalence of a disability pension amongst men and women in the year 1996 as compared to the year 1976 was significantly decreased when changes in population size and age distribution had been accounted for. This is particularly interesting because unemployment was increasing just prior to the year 1996. The prevalence of full disability pension had however significantly increased in 1996 compared with 1976. A plausible explanation for the observed change in disability pension levels is a pressure from the labour market, with increasing unemployment and competition. Also, the introduction of a disability card for those with full disability pension in 1980, which granted lower price for medication and the services of physicians, is likely to have increased the pressure for the higher level of disability pension (full disability pension). It seems unlikely that the increase in full disability pension and the decrease in reduced disability pension is due to a deterioration of health of the Icelandic population. Increased disability due to injury and poisoning amongst women is probably a result of their increased participation in the labour market. The decrease in disability due to infections is a result of a reduction in the number of cases of tuberculosis and poliomyelitis. The decrease in disability due to diseases of the digestive system is probably a result of improvement in the treatment of oesophageal reflux and peptic ulcer.

English Abstract↗
PubMed1997

Hospital diagnoses, Medicare charges, and nursing home admissions in the year when older persons become severely disabled.

OBJECTIVE: To characterize hospital diagnoses, procedures and charges, and nursing home admissions in the year when older persons become severely disabled, comparing those in whom severe disability develops rapidly with those in whom disability develops gradually. DESIGN: A prospective, population-based cohort study with at least 6 annual interviews beginning in 1982. SETTING: A total of 3 communities: East Boston, Mass, New Haven, Conn, and Iowa and Washington counties in Iowa. SUBJECTS: A total of 6070 persons at least 70 years old with at least 1 interview after the fourth annual follow-up and without evidence of previous severe disability, defined as disability in 3 or more activities of daily living (ADLs). MAIN OUTCOME MEASURES: Characteristics associated with development of severe disability after the fourth annual follow-up, in which the disability is classified as catastrophic disability if the individual did not report any ADL disability in the 2 interviews prior to severe disability onset or as progressive disability if the individual had previous disability in 1 or 2 ADLs. RESULTS: In the year during which severe disability developed, hospitalizations were documented for 72.1% of those developing catastrophic disability and for 48.6% of those developing progressive disability. In the corresponding year, only 14.7% of those who were stable with no disability and 22.3% of those with some disability were hospitalized. The 6 most frequent principal discharge diagnoses included stroke, hip fracture, congestive heart failure, and pneumonia in both severe disability subsets; coronary heart disease and cancer in catastrophic disability; and diabetes and dehydration in progressive disability. These diagnoses occurred in 49% of those with catastrophic disability and 25% of those with progressive disability. In both severe disability subsets, the oldest patients received less intensive hospital care as indicated by charges for surgery, diagnostics, and rehabilitation and by the percentage who received major diagnostic procedures; they were also more often admitted to nursing homes. CONCLUSIONS: In the year when they become severely disabled, a large proportion of older persons are hospitalized for a small group of diseases. Hospital-based interventions aimed at reducing the severity and functional consequences of these diseases could have a large impact on reduction of severe disability.

Activities of Daily Living↗
PubMed2006

Profile of arthritis disability: II.

OBJECTIVE: Arthritis is the most common chronic condition and the most common cause of disability among older US adults. We studied social participation, disabilities in many life domains, accommodations used (buffers), and accommodations needed (barriers) for US adults with arthritis disability compared with adults with disability from other conditions. METHODS: The data source is the National Health Interview Survey Disability Supplement Phase Two. Arthritis-disabled individuals named arthritis as the main cause of > or =1 disabilities. Other-disabled individuals named only other conditions as causes of their disabilities. We compared outcomes for the groups, taking sample weights and complex variances into account. RESULTS: Arthritis-disabled individuals get out and about less often than other-disabled individuals, but they manage to maintain active social ties. They have more disabilities of all types (personal care, household management, physical tasks, transportation, home, work), and the disabilities often cause fatigue, long task time, and pain. Despite this, arthritis-disabled individuals use less personal assistance than other-disabled individuals; they do use more equipment assistance. Arthritis-disabled individuals report more barriers in getting around outside their home and at their workplace. CONCLUSION: The distinctive profile of arthritis disability includes extensive and uncomfortable disabilities, yet there are active management strategies to handle these disabilities. Problems away from home and at work should inspire engineers and planners to improve public access and equipment for persons with this high-prevalence disability.

Activities of Daily Living↗
PubMed2006

Cognitive function, habitual gait speed, and late-life disability in the National Health and Nutrition Examination Survey (NHANES) 1999-2002.

BACKGROUND: Both cognitive function and gait speed are important correlates of disability. However, little is known about the combined effect of cognitive function and gait speed on multiple domains of disability as well as about the role of gait speed in the association between cognitive function and late-life disability. OBJECTIVE: To investigate (1) how cognition and habitual gait speed are related to late-life disability; (2) the role of habitual gait speed in the cognitiondisability association; and (3) the combined effect of cognitive function and habitual gait speed on late-life disability. METHOD: Participants (>60 years, n = 2,481) were from the National Health and Nutrition Examination Survey 1999-2002. Disability in activities of daily living (ADL), instrumental ADL (IADL), leisure and social activities (LSA), and lower extremity mobility (LEM) was obtained by self-report. Cognitive function was measured by a 2-min timed Digit Symbol Substitution Test (DSST), an executive function measure from the Wechsler Adult Intelligence Test. Habitual gait speed was obtained from a 20-foot timed walk. Multiple logistic regression was used to assess the association between cognitive function and disability. RESULTS: Cognitive function was associated with decreased likelihood for disability in each domain. The odds ratios (ORs) for disability in ADL, IADL, LSA, and LEM for each standard deviation (SD) increase in the DSST score were 0.47 (95% confidence interval [CI] = 0.34-0.64), 0.53 (95% CI = 0.42-0.67), 0.61 (95% CI = 0.47-0.79), and 0.73 (95% CI = 0.61-0.86), respectively, in the multi-variable models. After additional adjustment for habitual gait speed in the cognition-disability relationship, DSST score was no longer a significant correlate for LSA and LEM disability. The strength of the association between DSST score and disability in ADL/IADL was also diminished. The attenuated association between cognition and disability implies that limitation in gait speed likely mediates the association between cognitive function and disability. We found additive effects of cognition and habitual gait speed on late-life disability. The OR of disability in respective domains were lowest among participants with high-DSST score (high executive function) and with high gait speed. In contrast, the OR tended to be highest among participants with low-DSST score (low executive function) and low gait speed. CONCLUSION: Cognitive function was associated with multiple domains of disability. There was a joint effect of cognitive function and gait speed on late-life disability. This study also suggested that habitual gait speed partially mediated the inverse association between cognitive function and late-life disability, providing a mechanistic explanation in the context of disablement process.

Activities of Daily Living↗
PubMed1996

Learning disabilities.

Approximately 5% of all public school students are identified as having a learning disability (LD). LD is not a single disorder, but includes disabilities in any of seven areas related to reading, language, and mathematics. These separate types of learning disabilities frequently co-occur with one another and with social skill deficits and emotional or behavioral disorders. Most of the available information concerning learning disabilities relates to reading disabilities, and the majority of children with learning disabilities have their primary deficits in basic reading skills. An important part of the definition of LD is its exclusions: learning disabilities cannot be attributed primarily to mental retardation, emotional disturbance, cultural difference, or disadvantage. Thus, the concept of LD focuses on the notion of a discrepancy between a child's academic achievement and his or her apparent capacity to learn. Recent research indicates, however, that disability in basic reading skills is primarily caused by deficits in phonological awareness, which is independent of any achievement-capacity discrepancy. Deficits in phonological awareness can be identified in late kindergarten and first grade using inexpensive, straightforward testing protocol. Interventions have varying effectiveness, depending largely on the severity of the individual child's disability. The prevalence of learning disability identification has increased dramatically in the past 20 years. The "real" prevalence of LD is subject to much dispute because of the lack of an agreed-upon definition of LD with objective identification criteria. Some researchers have argued that the currently recognized 5% prevalence rate is inflated; others argue that LD is still underidentified. In fact, it appears that there are both sound and unsound reasons for the increase in identification rates. Sound reasons for the increase include better research, a broader definition of disability in reading, focusing on phonological awareness, and greater identification of girls with learning disabilities. Unsound reasons for the increase include broad and vague definitions of learning disability, financial incentives to identify students for special education, and inadequate preparation of teachers by colleges of education, leading to overreferral of students with any type of special need. There is no clear demarcation between students with normal reading abilities and those with mild reading disability. The majority of children with reading disabilities have relatively mild reading disabilities, with a smaller number having extreme reading disabilities. The longer children with disability in basic reading skills, at any level of severity, go without identification and intervention, the more difficult the task of remediation and the lower the rate of success. Children with extreme deficits in basic reading skills are much more difficult to remediate than children with mild or moderate deficits. It is unclear whether children in the most severe range can achieve age- and grade-approximate reading skills, even with normal intelligence and with intense, informed intervention provided over a protracted period of time. Children with severe learning disabilities are likely to manifest an increased number of and increased severity of social and behavioral deficits. When children with disabilities in reading also manifest attention deficit disorder, their reading deficits are typically exacerbated, more severe, and more resistant to intervention. While severe reading disorders are clearly a major concern, even mild deficits in reading skills are likely to portend significant difficulties in academic learning. These deficits, too, are worthy of early identification and intervention. Even children with relatively subtle linguistic and reading deficits require the expertise of a teacher who is well trained and informed about the relationships between language development and reading development.

Adolescent↗
PubMed2006

The effect of prior disability history on subsequent functional transitions.

BACKGROUND: Many older persons experience multiple transitions between states of disability and independence, but little is known about the effect of prior disability history on subsequent functional transitions. Our objective was to determine the effect of prior disability on subsequent transitions between no disability, mild disability, severe disability, and death. METHODS: For 60 months, 754 persons aged 70 or older underwent monthly assessments of disability in basic activities of daily living. We used a multistate extension of the proportional hazards model to determine the effects of amount, defined as cumulative duration, and distribution, defined as number of episodes, of prior disability on subsequent functional transitions, adjusted for age, gender, cognitive status, timed gait, and habitual physical activity. RESULTS: For each additional month of prior disability, participants were more likely to make transitions representing new or worsening disability and were less likely to make transitions from disability to independence or from severe disability to death. Adjusting for the cumulative duration of prior disability, more episodes of prior disability were associated with a higher likelihood of most transitions, representing both increasing and decreasing disability, but had no effect on transitions to death. CONCLUSIONS: Both the amount and distribution of prior disability are important determinants of the likelihood of subsequent functional transitions. Analytic methods that account for prior disability history should be used in studies of functional transitions, and new measures of disability burden are needed that incorporate distribution as well as amount of disability.

Activities of Daily Living↗