Interaction Effects in a Multivariate Model of Physician Visits by Older People

Arling, Gregory

doi:10.1097/00005650-198504000-00008

Cited by 38 publications

(24 citation statements)

References 28 publications

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“…This association was also found in a study of physician utilization by seniors in USA. 29 As with the equation for incidence of use, neither household income, nor education nor marital status was found to be significantly associated with the quantity of use. The overall explanatory power of the estimated equation, as measured by the R-square value was 0.19 which is fairly high compared with other studies of utilization.…”

Section: Quantity Of Use Of Family Physiciansmentioning

confidence: 81%

“…The overall explanatory power of the estimated equation, as measured by the R-square value was 0.19 which is fairly high compared with other studies of utilization. 29 The correction for self-selectivity was found to be significant (lambda = 15.455 p < 0.05) with smoking, drinking and marital status becoming non-significant compared to a one stage multiple regression model. Table 3 records the results of the two-stage estimations performed separately on the subgroups with excellent, good, fair and poor health respectively.…”

Section: Quantity Of Use Of Family Physiciansmentioning

confidence: 88%

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Equitable access to health care: Methodological extensions to the analysis of physician utilization in Canada

1993

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In this paper we analyse the distribution of family physician use in Canada to explore whether the stated goal of reasonable access to care has been achieved. We test hypotheses to see whether (a) variations in incidence and quantity of use are independent of need for care as proxied by self-assessed health status and (b) any observed relationship between variations in use and need is independent of other population characteristics. Previous research has conceptual, statistical and data limitations which bring into question the validity of the findings. These limitations are addressed by using more appropriate data, a conditional model for service utilization and correction for self-selectivity of users in the statistical analysis. Variations in need are identified as important and significant in explaining variations in both incidence and quantity of use with the estimated relationship between use and need being positive. Other population characteristics were found to be important and significant in explaining variations in use although household income is not among them. The relationship between use and need is associated with other variables including education, social support and region of residence. These findings suggest that analyses of utilization based on simple multivariate techniques and aggregate data can produce a picture of utilization that conceals important, policy relevant relationships while revealing other relationships that are essentially artifacts of inappropriate aggregation in ways which provide a false sense of achievement.

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Section: Quantity Of Use Of Family Physiciansmentioning

confidence: 81%

Section: Quantity Of Use Of Family Physiciansmentioning

confidence: 88%

Equitable access to health care: Methodological extensions to the analysis of physician utilization in Canada

1993

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“…Numerous authors have studied the relationship between health care utilization and factors related to the patients' sociodemographic characteristics, physical health and psychological health, and to the health organization [5,[15][16][17][18][19][20][21][22][23][24][25][26][27][28]. The majority showed that utilization is mainly associated with need for care variables, such as self-reported health status, limited activity, number of chronic diseases and severity of symptoms.…”

Section: Discussionmentioning

confidence: 99%

Factors associated with health care utilization by the elderly in a public health care system

Hidalgo²,

et al. 2006

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“…Ratings are based on an evaluator's judgment of information received. Scores range from 0 to 14 for each scale (Arling, 1985(Arling, , 1987; Gatz, Pedersen, & Harris, 1987 Basic and Skills cover only simple social involvement. In his hierarchy of human functions, Lawton (1972) alludes to "effectance" as the level above "instrumental selfmaintenance."…”

Section: Measures Of Behavioral Functioningmentioning

confidence: 99%

The residual cognitive competence of elderly females

Aronson

Vroonland

1993

J. Clin. Psychol.

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Factors described by Horn as affected by aging were hypothesized to physiologically define functional intelligence. Fifty female volunteers, who ranged in age from 68 to 98, were grouped as either Independent or Partially Dependent. Duke Activity Questionnaires validated group placement. Tasks derived from the Horn factors of attention, memory, and reasoning, as well as the Mini‐Mental State and the WAIS‐R Similarities and Digits Forward and Backward, assessed cognitive status. The tasks were more often sensitive to increased dependence than to age and generally supported the nomination of Horn's factors to identify “biological” intelligence. An unusual finding, low to negative correlations between educational and cognitive skills, was cited as relevant evidence of fluid loss.

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Interaction Effects in a Multivariate Model of Physician Visits by Older People

Cited by 38 publications

References 28 publications

Equitable access to health care: Methodological extensions to the analysis of physician utilization in Canada

Equitable access to health care: Methodological extensions to the analysis of physician utilization in Canada

Factors associated with health care utilization by the elderly in a public health care system

The residual cognitive competence of elderly females

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