Skip to main content
. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Int Psychogeriatr. 2012 Oct 19;25(2):275–285. doi: 10.1017/S1041610212001718

Table 3.

Relationships between Latent Class of Subjective Fatigue and Cognitive Function and Everyday Functioning (Parameter Estimate, β ± SE)a

Speed of processingb Memory Reasoning Everyday speedb Everyday problem-solving

Time .0263 ± .0032*** −.0309 ± .0032*** −.0352 ± .0025*** .0346 ± .0043*** −.0249 ± .0032***
Subjective fatigue
 • Increased fatigue .0572 ±.0896 .0576 ±.0946 −.0340 ± .0982 −.1969 ± .0933 .1230 ± .0948
 • Persistent fatigue −.0238 ± .0386 .0595 ± .0406 .0437 ±.0420 −.0031 ± .0404 .1560 ± .0408
 • Decreased fatigue −.0934 ± .0942 .1273 ± .0994 .1246 ± .1031 −.0649 ± .0983 .3112 ± .0997**
 • Persistent energy (referent) 0 0 0 0 0
Subjective fatigue × Time
 • Increased fatigue × Time .0337 ± .0179 −.0319 ± .0175* −.0471 ± .0141** .1050 ± .0235*** −.0722 ± .0178***
 • Persistent fatigue × Time .0108 ± .0086 −.0173 ± .0082* −.0106 ± .0066 .0118 ± .0111 −.0095 ± .0082
 • Decreased fatigue × Time .0043 ± .0194 .0150 ± .0189 −.0137 ± .0152 −.0290 ± .0255 −.0149 ± .0194
 • Persistent energy × Time (referent) 0 0 0 0 0

Note.

a

controlling for age, race, sex, education, recruitment site, assignment of intervention group, participation in booster sessions, depression, grip strength, and the total number of CVDRFs (estimates not shown).

b

Higher scores indicate lower abilities.

*

p < 0.05;

**

p < 0.01;

***

p < 0.001.