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Biomedical subjects

H R Kelman

Publications and source records attributed to H R Kelman.

At least 19 recordsLinked to original sources
PubMed1996

The relation of religious preference and practice to depressive symptoms among 1,855 older adults.

Religious devotion is a complex phenomenon but a potentially important source of support and meaning in the lives of older adults. Nonetheless, attendance at religious services and religious preference (affiliation) have received relatively little prominence in epidemiological studies of late life mental illness despite their relative case of measurement. We examined differences in the prevalence and course of depressive symptoms and associated characteristics among 1,855 older community residents who expressed a Jewish, Catholic, or other religious preference. At baseline, Jewish religious preference was associated with a twofold elevation in the prevalence of depressive symptoms compared to Catholics. Lack of attendance at religious services was associated with greater prevalence of depression among all groups, significantly so among Catholics. The relationship of depression with Jewish religious preference and with failure to attend services could not be accounted for by measures of age, gender, health, disability, or social support. Twenty-four months following baseline, Jewish religious preference was associated with the emergence of depressive symptoms and remained significant when the effects of age, gender, health, disability, and social support were controlled. Failure to attend services was associated with both the emergence and persistence of depression but did not remain significant once the effects of other characteristics were controlled. For both religious and health care institutions, these findings have implications for the prevention, recognition, and treatment of late life mental illness.

Aged↗
PubMed1994

Longitudinal patterns of formal and informal social support in an urban elderly population.

Stability and change in the use of formal and informal social support was assessed over a three year period among a representative sample of 1855 elderly urban participants in a longitudinal study of aging and health. Whether people received informal, formal, both types of support or no support was determined in baseline, 12 and 24 month personal interviews. Most respondents retained the same form of support across all three interviews. The extent of stability or change varied according to the form of support reported at baseline. Two-thirds of those with no social support continued without support and 40% of those using both informal and formal support continued to do so at subsequent assessments. The substitution of formal for informal support was infrequent and not statistically significant. Pair wise discriminant function analyses of groups of respondents with the most frequent longitudinal support patterns were performed to identify baseline health and social characteristics associated with stable use, the addition of another form of support or change to nonuse, over time. Changes in the use of support were influenced more by initial levels of health and functional status than by social and economic circumstances. Larger proportions of respondents dropped use of support then added an additional form of support. Respondents using both formal and informal support at baseline died across time in higher proportions than those in other support categories. The extent of stability in support use and nonuse, the character of changes in support use across time and greater attrition among those who were the heaviest users of support, serve to create a relative balance in the use of informal and formal support in this aging cohort, at least over the time frame over which respondents were followed in this study.

Aged↗
PubMed1994

Cognitive impairment and mortality in older community residents.

OBJECTIVE: Cognitive impairment among the elderly has been linked to mortality in studies of clinical populations. The purpose of this study was to examine the mortality risk associated with cognitive impairment among elderly populations in the community. METHODS: Cognitive impairment and other social and health factors were assessed in 1855 elderly community residents. This sample was reinterviewed periodically to assess changes in health and survival. RESULTS: At baseline 33% of the sample were mildly impaired and 8% were severely impaired. Across a 48-month observation period the survival probability was .85 for the cognitively unimpaired, .69 for the mildly impaired, and .51 for severely impaired respondents. When adjustments were made for the effects of other health and social covariates, severely impaired persons were twice as likely to die as unimpaired persons. Those who were mildly impaired were also at an increased risk. CONCLUSIONS: Other investigators have found that cognitive impairment is a significant predictor of dementia. We found that it is a significant predictor of mortality as well. Early detection of impaired cognition and attention to associated health problems could improve the quality of life of these older adults and perhaps extend their survival.

Age Factors↗
PubMed1992

Depressive symptoms and mortality in elderly persons.

Studies on the relationship between depression and mortality in elderly community populations have yielded contradictory findings, although an association frequently is found in studies of elderly psychiatric patients. These different results may be due to differences in the measures of depression, the populations under study, the covariates in the analysis, or to sample attrition. In this study of elderly residents of an urban neighborhood, depressive symptoms are measured at two time points. People are classified as consistently nonsymptomatic (N-N), with emergent symptoms (N-D), in remission (D-N), or persistently symptomatic (D-D). Symptoms of depression, sociodemographic characteristics, and measures of changes in health, functional status, number of chronic medical conditions, and social support are examined in relation to mortality in multivariate Cox regression models. Although symptoms of depression are not found to be related to time-to-death, older people, those with declines in health and functional status, and men have greater relative risks of mortality over a three-year follow-up.

Aged↗
PubMed1991

Persistence and remission of depressive symptoms in late life.

OBJECTIVE: The relation of poor health to the onset of depression symptoms in late life is well recognized, but little attention has been given to characteristics that might predict persistence or remission of depressive symptoms. In previous analyses the authors found that increasing disability and declining health preceded the emergence of depressive symptoms in older community residents and accounted for 70% of the variance explained by discriminant analyses. The aim of the present analysis was to examine the relevance of changes in health and disability to the persistence of depressive symptoms. METHOD: A representative sample of 1,855 adults aged 65 or older were assessed with the Center for Epidemiologic Studies Depression Scale at baseline. Twenty-four months later, 1,577 individuals were available for a second assessment of depressive symptoms. The characteristics of the 97 community residents whose depressive symptoms persisted over 24 months were compared to those of the 114 whose symptoms remitted. RESULTS: Changes in health, differences in age, sleep disturbance, and added formal support services accounted for more than 30% of the variance between the persistently depressed and remission groups. Advanced age and worsening health were associated with persistent symptoms, improved health with remission. CONCLUSIONS: Previous studies have indicated that untoward changes in health and disability play a major role in the onset of depressive symptoms. These findings show a substantial contribution to chronicity as well.

Activities of Daily Living↗
PubMed1991

Patterns of stability and change in health use among elderly people. Do service systems leave an imprint on behavior?

Stability and change in patterns of health service use over a 3-year period were determined for a sample of elderly people in an urban area who claimed one of five types of health service provider as a primary source of health care--a hospital, a private physician, a network model health maintenance organization (HMO), a hospital-based group practice program (G-HMO), or a preferred provider organization (PPO). Despite certain differences in use rates for individual services, the total volume of ambulatory service use was equivalent for all five groups as was the relative rank order of use of specific ambulatory services for four of the five groups. People who claimed a hospital as their primary care source had the most unique use patterns over a full range of health care services, characterized by extremely low rates of physician visits and the highest rates of visits to hospital outpatient clinics across three time periods. G-HMO members used health-related services more frequently than did all others. PPO members, at baseline, had lower rates of total and mean hospital days than other source group members except hospital users. People who changed principal source of care during the study period were most likely to report a hospital as their care source initially. Although there is much consistency in hospital and ambulatory use across groups, the persistence of certain use patterns for members of some groups suggests that health care systems can leave an imprint on the health service use of people for whom they provide regular care.

Aged↗
PubMed1990

Mortality patterns of American merchant seamen 1973-1978.

Among 1,922 deaths in the American merchant marine population who were patients in the United States Public Health Service Hospital system in 1973-78, 46% were cancer associated. Eighteen percent of all deaths were due to heart disease. This pattern represented a reversal of the pattern found among patients of acute general care hospitals nationwide for the year 1975. Respiratory cancer amounted to 19.3% of the total, more than twice the number of such deaths among non-seamen patients. These patterns were consistent across a six-year time period. The finding in this study of an excess of cancer-associated deaths, particularly respiratory cancer, could be indicative of an occupationally associated risk. Data on the total population of merchant seamen at risk and of seamen deaths which may have occurred outside of the United States Public Health Service Hospital system are required to test more definitely the hypothesis of an occupational risk of cancer--especially lung cancer--among American merchant seamen.

Adolescent↗
PubMed1990

Health services use among the elderly under alternative health service delivery systems.

This article compares patterns of health care utilization for hospitalizations and ambulatory care in a sample of 1855 urban, elderly, community residents who report obtaining their health care from one of four types of arrangements: a fee-for-service (FFS) physician, a hospital-based health maintenance organization, a network model HMO, or a preferred provider organization (PPO). Utilization rates reported by respondents at six month intervals over three years were adjusted for health and socioeconomic characteristics of enrollees. PPO plan members consistently have mean and total lengths of hospital stay one-third to one-half those of the others. Although rates of use of particular categories of ambulatory care vary across systems of care, total ambulatory care rates are highest for network model HMO plan members. Specific features of alternative delivery systems, rather than general model types, may have an impact on utilization rates and the costs of care.

Aged↗
PubMed1990

The emergence of depressive symptoms in late life: the importance of declining health and increasing disability.

Despite considerable progress in the epidemiology of late life depressive disorders, the determinants and course of late life depressive symptoms remain unclear. The apparent reciprocal relationship between depression and disability, a consistent finding in cross-sectional studies further confounds efforts to estimate the importance of depressive symptoms in the elderly. In a longitudinal study of 1457 aged community residents who completed the Center for Epidemiologic Studies Depression scale at baseline and 24 months later, a significant level of depressive symptoms emerged in 163 respondents (11%), while 1080 (74%) remained symptom free. Unlike other studies, we found that the number of medical conditions, social support, life events, and demographic characteristics contributed little to distinguish those with emerging symptoms from those who remained symptom free. However, increasing disability and declining health preceded the emergence of depressive symptoms and accounted for seventy percent of the variance explained by discriminant analysis. These findings have etiologic implications for both the course and determinants of depression in late life.

Aged↗
PubMed1990

Transitions between community and nursing home residence in an urban elderly population.

Over the course of a three year observation and study period, some 6% of a representative community residing urban elderly population were admitted to nursing homes. Nearly half of this group were still living in nursing homes at the end of this observation period. One third had died after entering the nursing home, and the remaining people had returned to their own homes in the community. These three groups had significantly different mean lengths of stay in nursing homes; nearly two years for those whose stays were more permanent, 50 days for those whose stays were short-term, and 153 days on average for those who died following admission. At baseline, the three groups also tended to have different patterns of health, functional and social characteristics. The short term stayers and those who died following admission to a nursing home differed from respondents who did not enter nursing homes--primarily in terms of prior living arrangements and levels of social support. The permanent stayers differed from the two other nursing home sub-groups, and from community residents, in that they tended to be older and more functionally and mentally impaired. However, at baseline they appeared at less risk to expire than those people who later died following admission to nursing homes. Clinical and research implications based on these findings are discussed.

Aged↗
PubMed1990

Unreimbursed expenses for medical care among urban elderly people.

Out-of-pocket medical expenditures were examined among a sample of 400 low-to-moderate income Medicare recipients living in the Bronx for a twelve month period in 1986-87. Using three different measures of magnitude, the most significant expenses were for Medicare and private insurance premiums, medications, and dental care. The mean percent of per capita income spent out-of-pocket for medical care (including health care premiums) was 11.0%. Elderly people who spend over 12% of their own income on medical care include those in the poorest health, those with annual incomes under $15,000, people living with spouses or others, and those using a private physician as a primary source of medical care.

Aged↗
PubMed1990

Controlled study of the impact of educational home visits by pharmacists to high-risk older patients.

Lack of information about medications coupled with high rates of utilization complicates compliance with medication regimens and increases the risk of adverse effects among older adults. We undertook a study of the efficacy of community-based interventions by pharmacists in a randomly-allocated one-half of a sample of 284 older adults considered to be at high risk for medication-related problems. Information and attitudes towards prescription and over-the-counter medications did not differ significantly between the intervention and comparison groups, either before or after the pharmacist interventions. However, visits to physicians were significantly less in the intervention group, suggesting an important if unexpected impact on health-related behavior.

Aged↗
PubMed1989

Hierarchy of characteristics associated with depressive symptoms in an urban elderly sample.

In contrast to the uncertainty about the prevalence and importance of late-life depressive disorders, a consistent pattern of risk factors for depressive symptoms has been shown by studies using the Center for Epidemiologic Studies Depression Scale (CES-D). The authors surveyed a representative sample of 2,137 elderly community residents with the CES-D and found a hierarchy of characteristics associated with substantial levels of depressive symptoms: illness, disability, isolation, bereavement, and poverty. If these findings are confirmed by prospective studies, addressing modifiable factors in the emergence, persistence, and remission of depressive symptoms might extend the independent survival of older adults.

Activities of Daily Living↗
PubMed1988

Hospital and ambulatory service use by the urban elderly under different health care delivery systems.

For a sample of elderly persons living in an urban community, patterns of use of health-care services varied according to whether or not respondents identified one of three fee-for-service delivery systems as their primary source of care: a hospital, a private physician, or a medical group practice. Differences in utilization patterns persisted even when population health and socioeconomic characteristics were controlled, and are attributable either to differences in system structure or to the population's behavioral response to these systems of care. As expected, the health variables, as well as whether or not persons had a source of care, were the most important factors in explaining aggregate inpatient and ambulatory care visits. In addition, particular sources of care and socioeconomic variables were significant in explaining duration of time spent in hospital and types of ambulatory care visits. Policy implications of these and related findings are discussed.

Aged↗
PubMed1981

Physician knowledge and attitudes toward an emergency medical services system.

A survey was conducted to measure the knowledge, attitudes, and practices concerning emergency medical services (EMS) of physicians practicing in a suburban-rural county on Long Island, New York. Two hundred fifty-four physicians responded to a questionnaire formulated to determine the following: knowledge of the existing system; perceived changes in system components; opinions about factors affecting emergency department visits; physician recommendations to patients in hypothetical situations; reasons for choosing a particular hospital for emergency patients; interest in involvement in the county EMS training program; and physician socio-demographic characteristics. Such information is valuable in the planning of EMS programs.

Adult↗
PubMed1980

The underdevelopment of evaluative research on health services for the elderly in the United States.

This paper describes and analyzes the evolution of current issues in program development and planning for health services for the elderly in the United States. Technical issues and administrative problems in the design and conduct of evaluative research in geriatric care are then reviewed. The paper concludes with the identification of areas for needed evaluative research that can be appropriately pursued cross-nationally.

Aged↗