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Correlational findings

Study Covinsky et al. (1999): study US 1994

Public:
80+ aged patients 2 months after hospitalization, USA, 1994
Sample:
Respondents:
N = 493
Non Response:
564
Assessment:
Interview: telephone (CATI)

Correlate

Authors's label
Dependence in self-care activities
Our Classification
Operationalization

Number of dependent activities of daily living:
1= 0
2= 1
3= >2
Selfreport of inability to perform self-care activities using a modified version of the Katz activities of daily living scale.(Katz et al. "A measure of primary socio-biological functions".)
This scale asked patients whether they could currently complete activities, such as bathing, dressing, or eating without the assistance  of another person.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-QLS-c-sq-v-5-b DM = - 1. M=3.11 SD=1.00
2. M=2.79 SD= .95
3. M=2.50 SD= .96
O-QLS-c-sq-v-5-b rs = -.25 p < .00 O-QLS-c-sq-v-5-b C = -.63 dichotomized global quality-of-life ratings
"good or better" versus
"fair or worse"
O-QLS-c-sq-v-5-b OR = ns No difference in chance to be happy when controled for:
-Physical capacity
-Psychological distress