. 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 4.

Parameter Estimate (β ± SE) of the Relationships between the Changes of Subjective Fatigue and Cognitive Function and Everyday Functioning Over time^a

Class	Speed of processing^b	Memory	Reasoning	Everyday speed^b	Everyday problem-solving
Increased fatigue	−.0964 ± .0329^**	.0666 ± .0309^*	.1142± .0224^***	−.2178 ± .0746^**	.1659 ± .0382^***
Persistent fatigue	−.0262 ± .0239	.0478 ± .0199^*	.0730 ± .0149^***	−.0712 ± .0250^**	.0310 ± .0187
Decreased fatigue	.0472 ± .0371	.0083 ± .0356	−.0537 ± .0335	−.0081 ± .0487	−.0383 ± .0419
Persistent energy	−.0245 ± .0107^*	.0399 ± .0108^***	.0174 ± .0084^*	−.0408 ± .0110^***	.0128 ± .0107

Note.

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).

Higher scores indicate lower abilities.

p < 0.05;

^**

p < 0.01;

^***

p < 0.001.