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Table 7 SF-36, Proxy, and Self-Completed Differences in Mean Normed Scores: Adjusted Data

From: Utilization of the propensity score method: an exploratory comparison of proxy-completed to self-completed responses in the Medicare Health Outcomes Survey

SF-36 Measure

Proxy-Completed

Self-Completed

  
 

Mean

(SD)

Mean

(SD)

t Value

Effect Size

Physical Component Summary Score (PCS)

32.96

(12.17)

34.23

(11.97)

4.2***

0.11

Mental Component Summary Score (MCS)

45.97

(12.91)

46.22

(12.32)

0.8

0.02

Physical Functioning Scale

30.08

(14.43)

32.47

(13.89)

7.0***

0.17

Role-Physical Scale

36.88

(12.71)

36.16

(12.36)

-2.4*

0.06

Bodily Pain Scale

39.31

(12.14)

39.09

(12.21)

-0.7

0.02

General Health Scale

36.97

(12.38)

38.34

(12.02)

4.6***

0.11

Vitality Scale

39.85

(11.98)

41.86

(11.70)

7.0***

0.17

Social Functioning Scale

37.99

(15.17)

40.15

(14.05)

6.1***

0.15

Role-Emotional Scale

43.29

(13.85)

41.33

(13.53)

-5.8***

0.14

Mental Health Scale

43.77

(12.92)

44.84

(12.86)

3.4**

0.08

  1. * p < .05, ** p < .01, *** p < .001