Susan C. Hedrick

The validity of proxy-generated scores as measures of patient health status.

This study examines the validity of proxy assessments as substitutes for patient assessments of patient physical and psychosocial health status. Data were obtained from 275 patient-proxy pairs who were enrolled in a national study of Adult Day Health Care. Patients and proxies (informal caregivers such as spouses) were asked to complete the Sickness Impact Profile (SIP) based on the patients health status. Findings showed that patient-generated and proxy-generated physical scores were highly correlated, although proxies rated patients as slightly more impaired than the patients rated themselves. The correlation between psychosocial scores was not high enough to consider proxy responses as valid substitutes for patient responses. We explored these differences in response by comparing regression equations predicting patient-generated and proxy-generated physical and psychosocial SIP dimension scores. Variance in the patient-generated psychosocial score was explained by physical function, psychological distress, cognitive status and patient age. Proxygenerated psychosocial scores were primarily explained by the caregivers psychological distress and perceived burden. These findings point out the importance of considering the source of patient health status estimates when interpreting the results of research studies.

Effectiveness of Collaborative Care Depression Treatment in Veterans' Affairs Primary Care

AbstractOBJECTIVE: To compare collaborative care for treatment of depression in primary care with consult-liaison (CL) care. In collaborative care, a mental health team provided a treatment plan to the primary care provider, telephoned patients to support adherence to the plan, reviewed treatment results, and suggested modifications to the provider. In CL care, study clinicians informed the primary care provider of the diagnosis and facilitated referrals to psychiatry residents practicing in the primary care clinic. DESIGN: Patients were randomly assigned to treatment model by clinic firm. SETTING: VA primary care clinic. PARTICIPANTS: One hundred sixty-eight collaborative care and 186 CL patients who met criteria for major depression and/or dysthymia. MEASUREMENTS: Hopkins Symptom Checklist (SCL-20), Short Form (SF)-36, Sheehan Disability Scale. MAIN RESULTS: Collaborative care produced greater improvement than CL in depressive symptomatology from baseline to 3 months (SCL-20 change scores), but at 9 months there was no significant difference. The intervention increased the proportion of patients receiving prescriptions and cognitive behavioral therapy. Collaborative care produced significantly greater improvement on the Sheehan at 3 months. A greater proportion of collaborative care patients exhibited an improvement in SF-36 Mental Component Score of 5 points or more from baseline to 9 months. CONCLUSIONS: Collaborative care resulted in more rapid improvement in depression symptomatology, and a more rapid and sustained improvement in mental health status compared to the more standard model. Mounting evidence indicates that collaboration between primary care providers and mental health specialists can improve depression treatment and supports the necessary changes in clinic structure and incentives.

The association between depressive symptoms and health status in patients with chronic pulmonary disease

This study evaluated the association between depressive symptoms and health related quality of life (HRQoL) in patients with chronic pulmonary disease using both general and disease-specific HRQoL measures. A cross-sectional analysis of HRQoL measures completed by patients enrolled in the Department of Veteran Affairs Ambulatory Care Quality Improvement Project. 1252 patients with chronic pulmonary disease screened positive for emotional distress and returned the Hopkins Symptom Checklist-20 (SCL-20). 733 of 1252 had a score of 1.75 or greater on the SCL-20 indicating significant depressive symptoms. Depressive symptoms were associated with statistically significantly worse general and pulmonary health as reflected by lower scores on all sub-scales of both the Medical Outcomes Short Form-36 and the Seattle Obstructive Lung Disease Questionnaire. In fact, 11% to 18% of the variance in physical function sub-scales was attributed to depressive symptoms alone. Patients with chronic pulmonary disease and depressive symptoms reported significantly more impaired functioning and worse health status when compared to those patients without depressive symptoms. Because there are highly effective treatments for depression, selective screening of patients with chronic pulmonary disease for depression may identify a group that could potentially benefit from treatment interventions.

Long‐Term Effectiveness of Screening for Hearing Loss: The Screening for Auditory Impairment—Which Hearing Assessment Test (SAI‐WHAT) Randomized Trial

OBJECTIVES: To evaluate the effect of hearing screening on long‐term hearing outcomes in a general population of older veterans.

The Sickness Impact Profile as a measure of the health status of noncognitively impaired nursing home residents.

The Sickness Impact Profile (SIP) is a multidimensional, behaviorally based measure of health status that has been successfully used in a wide range of applications. The characteristics of this measure have not been assessed with nursing home residents. The purpose of this study was to assess the feasibility, reliability (internal consistency), validity, and comprehensiveness of the SIP as a measure of the health status of a selected group of nursing home residents. One hundred sixty-eight veterans residing in community and VA nursing homes responded to a questionnaire consisting of the SIP, Index of Activities of Daily Living, Barthel Index, Life Satisfaction Index Z, and the Philadelphia Geriatric Center Morale Scale. In general, the respondents correctly interpreted instructions; reliability and validity were supported; and the SIP was found to provide a comprehensive assessment of physical function. Adding a measure of psychologic well-being to a study protocol involving this population may, however, provide additional useful information regarding this construct.

Potentially Inappropriate Medication Use in Community Residential Care Facilities

OBJECTIVE: To describe the prevalence of potentially inappropriate medication use in community residential care (CRC) facilities at baseline, describe exposure to potentially inappropriate drugs during the 1-year follow-up, and examine characteristics associated with potentially inappropriate use. DESIGN: A cohort study was conducted using 282 individuals aged ≥65 years entering a CRC facility in a 3-county area in the Puget Sound region of Washington State between April 1998 and December 1998 on Medicaid funding. MAIN OUTCOME MEASURE: Use of potentially inappropriate medications as defined by explicit criteria (e.g., drugs that should generally be avoided in the elderly because potential risks outweigh any potential benefits). RESULTS: Sixty-two (22%) residents took a total of 75 potentially inappropriate medications at baseline. The most common agents used at baseline were oxybutynin (3.5%) and amitriptyline (3.5%). The incidence of new use of potentially inappropriate medications was 0.1/100 person-days during the follow-up period. Potentially inappropriate use was related to self-reported fair or poor health (adjusted OR 1.42; 95% CI 1.05 to 1.92) and number of prescription drugs (adjusted OR 1.12; 95% CI 1.05 to 1.19). In the Cox proportional hazard model, no characteristics predicted new potentially inappropriate medication use during the follow-up. CONCLUSIONS: Potentially inappropriate medication use is common among residents in CRC facilities. A comprehensive periodic review may be beneficial for reducing potentially inappropriate use, especially for patients taking multiple drugs.

Meta-analysis of home-care effects on mortality and nursing-home placement

This meta-analysis was designed to illustrate how the relatively new discipline of meta-analysis could be employed in health-services research. In pursuit of this goal, the results of 13 studies on the effect of home care on mortality and nursing-home placements were examined. The analysis demonstrated a small, beneficial effect of home care on mortality, which fell short of statistical significance. Study-to-study variation in the odds ratio was found that was not strongly associated with differences in the study samples, designs, or interventions as categorized here. The analysis produced stronger evidence of a reduction in nursing-home placements. In this case, differences in study design explained much of the heterogeneity in results, with the randomized controlled trials showing considerably weaker effects. The analysis also provides insight into the benefits and limitations of alternative meta-analytic methods. The “odd man out” method recently described by Walker et al. detected statistically significant heterogeneity of effects across studies for nursing-home placement, but not for mortality. Loglinear modeling made it easier to detect and explore study-to-study variation in home-care effects.

Satisfaction With Care Among Community Residential Care Residents

Measuring satisfaction with community residential care (CRC) is growing in importance but still in its infancy. The authors conducted interviews with 176 CRC residents and their providers. Logistic regression was used to identify resident and physical characteristics, policies and services, and aggregate resident characteristics associated with satisfaction. Residents had high levels of satisfaction, demonstrating most concern with the facility being able to meet their future needs and food quality. Resident demographics and health status were associated with satisfaction. Contrary to hypotheses, facility type (adult family home and assisted living) was the only facility characteristic strongly associated with satisfaction. Possible explanations include that the relationship between satisfaction and facility characteristics is more complex than expected, as well as significant challenges in measuring satisfaction and facility characteristics. The inconsistent results of previous satisfaction studies do not provide direction for imposition of uniform standards for facility characteristics, if the goal is improved satisfaction.

Working Group Recommendations: Measuring Outcomes of Care in Geriatric Evaluation and Management Units

Issues related to measuring outcomes of care in geriatric evaluation and management (GEM) units were identified by the outcomes working group of the GEM evaluation conference. GEM units have as a major goal the improvement or maintenance of both physical and psychosocial function. Suggested outcome measures for physical health included survival, restricted activity days, general health perceptions, comprehensive physical function, and miscellaneous specific types of functioning. In the area of psycho‐social function, the working group suggested measuring cognitive function, affect/life satisfaction, social function, and satisfaction with care. The patients caregiver (eg, spouse or child) is often an important target of GEM care, and the group suggested measuring caregiver burden, life satisfaction, and assessment of patient behavior problems.

Methods of Determining the Cost of Health Care in the Department of Veterans Affairs Medical Centers and Other Nonpriced Settings

Cost is increasingly important in the evaluation of health care. Though charges are often used as a proxy for cos4 some health care systems such as the Veterans Administration do little or no billing. This article describes, presents examples of and evaluates four options for determining the cost of care within the Department of Veterans Affairs: measuring input costs, the Departmen ts cost accounting system, the reimbursement system, and use of charges from a surrogate health care facility. Each approach is evaluated for accuracy, ability to compare the costs of different treatments, and effort required to estimate cost.