Psychiatric disorder in a sample of the general population with and without chronic medical conditions

The authors studied data on psychiatric disorders and eight chronic medical conditions in a community sample of 2,554 persons. The sex- and age-adjusted prevalence of any psychiatric disorder in the preceding 6 months was 24.7% and of lifetime psychiatric disorder was 42.2% among persons with one or more medical conditions, compared to 17.5% and 33.0%, respectively, for persons with no medical condition. Persons with chronic medical conditions were more likely to have lifetime substance use disorders and recent affective and anxiety disorders. Arthritis, cancer, lung disease, neurological disorder, heart disease, and physical handicap were strongly associated with psychiatric disorders, but hypertension and diabetes were not.

Management of patients on psychotropic drugs in primary care clinics

While nonpsychiatrist physicians account for the majority of prescriptions written for psychotropic drugs, little is known about the quality of their drug management strategy. We studied this issue using data from 16 academic internal medicine group practices. Data on treatment, abstracted from medical records, were compared to criteria for quality care. Eighteen percent of patients used minor tranquilizers or antidepressants. The only individual factor independently associated with use of minor tranquilizers was mental health status. Nonwhites were less likely than whites to be diagnosed as depressed or receive antidepressants, even after controlling for baseline mental and physical health status. Mental and physical health status were also independently associated with antidepressant drug use. Quality of care was low for formulating a treatment plan for either drug group and for follow-up plans for antidepressants. Documentation of an adequate treatment plan for minor tranquilizers was poorest for patients who visited a house staff or nonphysician rather than a faculty member. For antidepressants, the patients with the poorest general health status tended to have the best documentation of treatment plans.

Psychiatric disorder and limitations in physical functioning in a sample of the Los Angeles general population

The authors examined relationships between psychiatric disorder and perceived general health and physical functioning from data obtained from interviews with 2,554 non-Hispanic whites and Mexican-Americans in Los Angeles. Persons with recent psychiatric disorders perceived their general health as poorer and had more limitations in physical functioning than persons without such disorders, even when the analyses controlled for chronic medical conditions and demographic factors. Affective and anxiety disorders were independently associated with both acute and chronic limitations in physical functioning. The associations of recent psychiatric disorder and of chronic medical condition with acute activity restrictions were similar in magnitude.

Factors affecting the probability of use of general and medical health and social/community services for Mexican Americans and non-Hispanic whites

Are individual characteristics associated with use of general and mental health and human service sectors similar for Mexican Americans (MAs) and non-Hispanic whites (NHWs)? We addressed this question using data from the Los Angeles site of the NIMH Epidemiologic Catchment Area Program. A random sample of the general population of two mental health catchment areas was interviewed in 1983-1984. With four exceptions, individual variation in sociodemographic factors, insurance coverage, and health status had similar effects on the probability of use of the general and mental health and human service sector for both NHWs and MAs. Recent psychiatric disorder was associated with greater use of general medical providers for mental health care for both NHWs and MAs, but significantly more so for NHWs. Female NHWs were more likely to use the human service sector (e.g., social service agencies) than male NHWs, but gender had no effect on this type of use for MAs. Higher job status was associated with greater use of outpatient general medical services, but significantly more so for NHWs than MAs. By contrast, having private health insurance was associated with a greater increase in use of outpatient general medical services for MAs than for NHWs.

Agreement between face-to-face and telephone-administered versions of the depression section of the NIMH Diagnostic Interview Schedule

To increase the feasibility of identifying persons with depressive disorders in a large-scale health policy study, we tested the concordance between face-to-face and telephone-administered versions of the depression section of the NIMH Diagnostic Interview Schedule (DIS). This section was administered over the telephone to 230 English-speaking participants of the Los Angeles site of the NIMH Epidemiologic Catchment Area Program (ECA) after their completion of a face-to-face interview (Wave II) with the full DIS. Time lag between interviews was 3 months, on the average. Persons with depressive symptoms were oversampled. Using the face-to-face version as the criterion measure, the sensitivity, specificity, and positive predictive value of the telephone version for identifying the presence or absence of any lifetime unipolar depressive disorder were 71, 89, and 63 percent, respectively; the kappa statistic was 0.57, and agreement was unbiased. The comparable figures for concordance between two face-to-face interviews administered one year apart to the same subjects were 54, 89, and 60 percent and 0.45 (kappa), respectively. Thus, disagreement was due primarily to test-retest unreliability of the DIS rather than the method of administration.

A home-visit program for first-year medical students as perceived by participating families

A program to train first-year medical students to identify the impact of chronic disease on family functioning consists of a lecture/demonstration, reading materials, and a family home visit for small groups of eight students and an instructor. The authors used a self-report questionnaire to evaluate 30 families (88% response rate) participating in the home visits. Although 28% of families reported they were uncomfortable sharing a family problem, 90% of families reported no tensions or problems as a consequence of the visit. Two-thirds of the families learned new information about their family and two families decided to visit a health professional as a result of the visit. Almost all families were willing to participate again, demonstrating that family home visits are feasible and have few adverse consequences in a well-supervised training program.

Comparison of use of outpatient mental health services in an HMO and fee-for-service plans. Sensitivity to definition of a visit

Whereas previous authors have used a variety of strategies to identify use of mental health services, the sensitivity of estimates to the definition of a visit has been little studied. The authors examined the sensitivity of estimates of use of outpatient mental health services in both HMO and fee-for-service plans to the method of identifying outpatient mental health visits. The HMO and fee-for-service plans had identical benefits (i.e., free care). Data were from the Rand Health Insurance Study. Mental health visits were identified using two definitions: presence of a mental health diagnosis or procedure; and presence of a mental health procedure, diagnosis, or prescription for psychotropic medication in the absence of physical disorders requiring such medications. The major policy conclusions about lower levels of use in the HMO compared to fee-for-service plans were insensitive to the definition of a visit. Nevertheless, estimates of use of general medical providers were higher when psychotropic medications were included in the definition of a mental health visit; this sensitivity to definition was significantly greater for fee-for-service than HMO participants (P less than 0.05). Further, conclusions about the comparability of enrollment mental health status of patients treated by general medical providers in HMO and fee-for-service plans were somewhat sensitive to the definition of a visit.

Which Mexican-Americans underutilize health services?

Data collected from the Los Angeles site of the National Institute of Mental Health Epidemiologic Catchment Area Program were used to examine the utilization of health services in a community population. Mexican-Americans, especially the less acculturated, had significantly lower rates of use of outpatient, but not inpatient, care than non-Hispanic whites. Differences were greater for mental than physical health care. Less acculturated Mexican-Americans made very little use of either mental health specialists or the human services sector (e.g., religious leaders). Among those with a recent psychiatric disorder, non-Hispanic whites were seven times more likely to use outpatient mental health services than the less acculturated Mexican-Americans.

Somatization in the community: relationship to disability and use of services

We tested the hypotheses that an abridged somatization construct that we had developed would be associated with use of health services, preferential use of medical over mental health services, and an index of disability. These hypotheses were tested using structured interview data from 3,132 randomly selected community respondents. We found that: respondents meeting criteria for somatization reported a heavier use of health services than non-somatizers; of those respondents meeting criteria for a psychiatric diagnosis, somatizers preferentially used medical over mental health services whereas non-somatizers reported the opposite trend; and somatizers were more likely than non-somatizers to report recent sick leave or restricted activity.

Cost-sharing and the use of general medical physicians for outpatient mental health care

Many patients with emotional disorders receive their mental health care from general medical physicians. In this article, we examine differences in costs and style between mental health care delivered by mental health specialists and that provided by general medical physicians, and the sensitivity to insurance of the patient's choice of mental health care provider. We use data from a randomized trial of cost-sharing, the RAND Health Insurance Experiment. Even when all outpatient mental health care was free (up to 52 visits a year), one-half of the users of outpatient mental health services visited general medical providers only. This half accounted for only 5 percent of outpatient mental health care expenditures, because the treatment delivered by general medical providers was much less intensive than that delivered by mental health specialists. Mental health status, at enrollment, was similar for those who received their mental health care from either provider group. Despite the large difference in cost of care, the choice of provider (mental health specialist versus general medical provider) was not sensitive to the generosity of insurance.

Medical students' expectations for encounters with minority and nonminority patients

The authors examined the expectations of firstyear medical students (n = 139) at the University of California, Los Angeles, School of Medicine in regard to interacting with black, Latino, Asian, and white patients. Using slides and a questionnaire, the results indicated that students expected to be significantly less comfortable interviewing blacks than other patients and to view blacks and Latinos as less likely to comply with treatment than whites and Asians. Black and Hispanic students were significantly more likely than white and Asian students to expect black and Hispanic patients to comply with treatment.

Use of outpatient mental health services over time in a health maintenance organization and fee-for-service plans

The authors compared the use of outpatient mental health services in a health maintenance organization (HMO) and fee-for-service plans over a 5-year period, using data from a randomized controlled trial. In any given year, enrollees in the HMO and a fee-for-service plan with identical benefits were equally likely to visit a mental health specialist. Over several years, the HMO enrollees were about 50% more likely ever to visit a mental health specialist; fee-for-service enrollees were more likely to receive mental health care in more than 1 study year.

Quality of care for psychotropic drug use in internal medicine group practices

To evaluate the care given by internists in group practices at 16 academic medical centers to patients who used minor tranquilizers or antidepressants, data were abstracted from medical records and compared with specific criteria for quality care.Of 1,532 continuing care patients, 18% used minor tranquilizers and 7% used antidepressants. Almost 90% of antidepressants were prescribed for depression and 50% of minor tranquilizers were prescribed for mental health problems. The group practice internists performed well on concrete aspects of care, such as avoiding giving minor tranquilizers intravenously or intramuscularly and scheduling follow-up visits. Relatively few patients, however, had an adequate treatment plan noted in the chart. About 25% of users of minor tranquilizers did not have an acceptable indication for the drug noted in the chart. Less than 10% of users of minor tranquilizers had a plan for discontinuing the drug use; yet, 35% had long-term regular use.

Use of outpatient mental health services by a general population with health insurance coverage

Characteristics of use of mental health services by 4,254 persons enrolled in the Rand Health Insurance Study were analyzed in an attempt to predict patterns of use by a general population with assigned insurance coverage. Families in the study, whose members ranged in age from birth through 62 years, were randomly assigned to one of 14 insurance plans covering a wide variety of services by all licensed provider groups. During a one-year period less than 4 percent of the enrollees visited a mental health specialist, and only 7.1 percent saw any provider for mental health care. About half of those receiving outpatient mental health care visited general medical providers only. Annual outpatient mental health expenses per enrollee were about $25 (1983 dollars). The authors compare their findings with those of other studies and discuss their implications for insurance coverage of mental health services.

How cost sharing affects the use of ambulatory mental health services

The less generous insurance coverage for mental health care has generated some controversy. The major unresolved question is how the demand for outpatient mental health care responds to cost sharing. We used data from a randomized trial of fee-for-service health insurance for the nonelderly to address this question. The study enrolled 5809 persons. The results are based on 19 819 person-years of data. One hundred thirty-three percent more is spent on outpatient psychotherapy when care is free to patients than when they pay 95% of the fee, subject to an annual catastrophic limit. But, the absolute level of expenditure is low on all plans; $32 per person per year with free care. The response to psychotherapy services to cost sharing is insignificantly larger than that for outpatient general medical services. We found no evidence that more generous coverage for outpatient psychotherapy decreases total health expenditures.

A comparison of the effects of sociodemographic factors and health status on use of outpatient mental health services in HMO and fee-for-service plans

The authors compared the effects of age, sex, socioeconomic status, and mental and physical health status on the use of outpatient mental health services in one well-established health maintenance organization (HMO) and in fee-for-service plans. In the Seattle site of the Rand Health Insurance Study (HIS), families were randomly assigned to HMO or fee-for-service coverage. Adults incur much greater expense for outpatient mental health services than children in both an HMO and a fee-for-service plan with identical coverage (i.e., free care). However, the difference in use between adults and children is significantly greater for the fee-for-service plan than the HMO (P less than 0.01). Similarly, education has significantly greater effects on use for the fee-for-service than the HMO plan. Increased income has a significant negative effect on use in both the HMO and fee-for-service plans. Mental and physical health status have similar large effects on use in both fee-for-service and HMO plans.

Use of outpatient mental health services in HMO and fee-for-service plans: results from a randomized controlled trial

Does a prepaid group practice (PGP) deliver less outpatient mental health care than the fee-for-service (FFS) sector when they serve comparable populations with comparable benefits? To examine this issue, we used data from the Rand Health Insurance Study, which randomized families into a prepaid group practice or FFS insurance plans. Participants in a FFS plan with no cost sharing (i.e., free care) are equally likely to visit a mental health specialist in a year, but incur 2.8 times the costs of prepaid participants (p less than .05). This difference is due to fewer visits per user, substitution of psychiatric social workers for psychiatrists and psychologists, and reliance on group rather than individual therapies in the prepaid plan. Because of the experimental design, these differences are due to institutional and incentive differences rather than adverse selection. We found no evidence of appreciable or significant adverse selection into or out of the prepaid group practice. A full evaluation of the desirability of prepaid or fee-for-service care requires data on health outcomes, which are not presented here.

The practices of general and subspecialty internists in counseling about smoking and exercise

We compared the practices of subspecialists and general internists in counseling about smoking and exercise, using data from a study of recent graduates of United States training programs in internal medicine. Information on the characteristics of physicians and their clinical practices was obtained from self-report questionnaires. The internists most likely to counsel smokers regardless of the presence or absence of diseases associated with smoking are cardiologists, pulmonary specialists, nephrologists, and generalists trained in a primary care residency funded by the Robert Wood Johnson Foundation or Health Resources Administration. Most internists practice tertiary prevention by counseling a high percentage of smokers with heart or lung disease. Rheumatologists counsel a higher percentage of all patients with poor exercise habits but a lower percentage of such patients with heart disease than do other internists. The differences in counseling related to training are not explained by different levels of involvement as a primary care physician. Rather, these differences appear to reflect training and subspecialty-specific priorities for counseling.

Which first-year medical students expect to practice in an inner-city or ghetto setting

The authors examined the expected practice location of first-year medical students at UCLA School of Medicine using self-administered questionnaires. The response rate was 94 percent. About 24 percent of students are from underserved minority groups. Compared with nonminority students, minority students are significantly older, of lower socioeconomic status, and more likely to have been raised in an inner-city or ghetto environment (each P<.05). While the average nonminority student expected to practice in a noninner-city, urban, or suburban environment, the average minority student expected to practice in an inner-city or ghetto environment (P<.0001). Differences in expected practice location due to ethnicity remained after controlling for sociodemographic factors. Students with previous medical experience and those from poorer sociodemographic backgrounds are also more likely to expect to practice in ghetto environments, regardless of ethnic background (each P<.05).

Sociodemographic factors and the use of outpatient mental health services

What are the effects of sociodemographic factors on the use of outpatient mental health services when different demographic groups have identical health insurance coverage? The authors answer this question using data from the Rand Health Insurance Experiment. Health insurance was randomly assigned to families representative of the nonaged, noninstitutionalized civilian population in six U.S. sites. Income has no significant total effect on use when all income groups have the same coverage. When the effects of variables correlated with socioeconomic status are removed, users with higher socioeconomic status are significantly more likely to choose a mental health specialist rather than only general medical providers for their mental health care (P less than 0.05); among those who visit mental health specialists, those with higher socioeconomic status incur significantly greater expenses (P less than 0.10). Women use significantly more mental health services than men (P less than 0.05), who in turn use significantly more mental health services than children (P less than 0.05), even after controlling for demographic factors, health status, and insurance coverage. Similarly, there are large differences (roughly sixfold) by site in outpatient mental health expenses even when all sites have identical coverage.

A model for predicting the counseling practices of physicians

The authors present a conceptual model of the determinants of the counseling practices of physicians and an empirical test of the model. Seventy-six per cent of a 50% random sample of physicians in a western county medical society completed a questionnaire (n = 151). This instrument measures the aggressiveness, the indications and techniques used by physicians in counseling patients about smoking, exercise, weight control and alcohol use. The independent variables assessed by this instrument are motivations, perceived skills and barriers, medical specialty, and personal health habits. Significant associations were found between the counseling practices reported and physicians' personal health habits, attitudes and specialties. Non-surgeons counseled more patients, counseled more intensively, and used a greater variety of techniques than surgeons and obstetrician-gynecologists. In general, physicians who had poor health habits did not fully counsel patients about those habits; however, physicians attempting to improve poor habits counseled patients significantly more often than physicians who were not trying to change their own behavior. Health maintenance efforts among physicians may have a multiplier effect.

Career orientations of medical and pediatric residents

Educators have expressed concern about the declining percentage of graduating residents who choose an academic career. This study identifies characteristics of postgraduate physicians that are associated with intentions to pursue an academic career or a full-time private practice. Data were obtained from 299 residents in pediatrics and internal medicine at five academic medical centers in Southern California, using self-report questionnaires. Preference for an academic career was strongest among residents who were most satisfied with their work, were frequently sponsored by faculty, had published, or who either lived alone or were married to another professional. The likelihood of full-time private practice was strongest among residents who were less frequently sponsored by faculty, had not published, lived with others, were from certain medical schools, or were females. Training programs may wish to consider some of these factors in the selection of residents and in program development.

Health status, sociodemographic factors, and the use of prescribed psychotropic drugs

The relations among sociodemographic factors, health status, and use of prescribed sleeping pills and tranquilizers are examined. The data are from the Rand Health Insurance Experiment, which has a random sample of the nonaged, noninstitutionalized, civilian population in six U.S. sites. Information on sociodemographic factors, health status, and the use of prescribed psychotropic drugs during the previous 3 months was obtained from self-report questionnaires collected at enrollment. Mental and physical health status have large independent and significant effects on the probability of use of both prescribed tranquilizers (P less than 0.0001) and sleeping pills (P less than 0.0001), whether or not we remove the effects of sociodemographic factors. For the probability of tranquilizer use, there is no significant interaction between gender and mental health or between mental health and physical health. Age and gender have large and significant effects on the use of prescribed psychotropic drugs even after controlling for differences in health status and other demographic factors. The effects of site and socioeconomic status are modest compared with the effects of health, age, and gender.

Do physicians preach what they practice? A study of physicians' health habits and counseling practices

We examined the relation of physicians' clinical specialty, personal health habits, and health-related beliefs to their practices in counseling about smoking, weight, exercise, and alcohol. We surveyed a random sample of members of a county medical society in selected specialties. Physicians with better personal health habits and more positive attitudes toward counseling counsel a broader range of patients and counsel more aggressively. Surgeons counsel less than nonsurgeons, even after controlling for differences in health-related attitudes and personal habits.

The sensitivity of mental health care use and cost estimates to methods effects

The authors determined the sensitivity of estimates of the use and cost of outpatient mental health care to two methods effects: the definition of a mental health visit and strategies for allocating mental health care costs. They use data from the Rand Health Insurance Study, which has a random sample of the nonaged noninstitutionalized civilian population in six United States sites. Estimates of the use of mental health specialists are insensitive to alternative methods. However, estimates of the use and cost of the mental health care delivered by nonpsychiatrist physicians (e.g., internists) are quite sensitive to methods effects. Nevertheless, the cost of care from nonpsychiatrist physicians is so low that the total cost of outpatient mental health care is not meaningfully affected by methods effects.

Physicians' attitudes in counseling patients about smoking

Attitudes of physicians toward counseling patients about their smoking habits may influence whether and how counseling occurs. In this paper, the authors develop and test a conceptual model of these attitudes. The model includes four attitude dimensions: physicians' motivations to counsel, perceived health risk of smoking, perceived skills in counseling, and perceived costs and benefits to the physician of counseling. A self-report questionnaire including a 40-item measure of these attitudes was delivered to a random sample of male general practitioners, internists, surgeons, and obstetrician-gynecologists who were members of a western county medical society in 1978. The response rate was 76%. Based on factor analyses, 10 subscales and 3 global scales were formed by summing items. The item contents of scales are consistent with the authors' model, and reliability and item-discriminant validity are excellent. The authors' model may be useful in understanding the factors that affect the process and outcomes of physician counseling about smoking.

Physicians' practices in counseling patients about health habits

The authors developed and tested a model of two dimensions of physicians' behavior in counseling patients about four health habits (smoking, weight control, alcohol consumption, and regular exercise). The two dimensions are the indications for routine counseling and the aggressiveness of counseling style. To test these dimensions, a questionnaire was administered to a random sample of members of a Western County Medical Society in 1978. The response rate was 76%. Indications and Aggressiveness subscales were developed for each habit. Reliability and discriminant validity for all subscales was excellent. Descriptive results were consistent with expectations, e.g., physicians counseled more about smoking and weight control than about alcohol and exercise. The results support the dimensions and suggest that the questionnaire will be useful for future research on counseling behavior.