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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2011 Oct;19(10):871–880. doi: 10.1097/JGP.0b013e31820d9416

Table 5.

Mixed-effect results on intervention group.

Age Group effect Time effect Age Group × Time Interaction
HRS-D F=13.33
df=1,142
<0.001		 F=57.29
df=3.371
<0.001		 F=1.48
df=3,371
0.21
SF-36 MCS F=13.21
df=1,143
<0.001		 F=19.52
df=3,371
<0.001		 F=1.98
df=3,371
0.13
SF-36 PCS F=0.83
df=1,151
0.37		 F=125.89
df=3,377
<0.001		 F=0.24
df=3,377
0.87
DASI F=11.14
df=1,149
0.001		 F=125.89
df=3,377
<0.001		 F=3.03
df=3,379
0.03

Abbreviations:

HRS-D: Hamilton Rating Scale for Depression

SF-36 MCS: Medical Outcomes Study Short Form Health Survey Mental Component Scale

SF-36 PCS: Medical Outcomes Study Short Form Health Survey Physical Component Scale

DASI: Duke Activity Status Index