. Author manuscript; available in PMC: 2011 Jul 19.

Published in final edited form as: Int J Geriatr Psychiatry. 2009 Jul;24(7):755–763. doi: 10.1002/gps.2192

Table 3.

Beta and Total R² associated with maximum duration, maximum attention, and maximum attitude

Independent variables	Maximum engagement duration (seconds)	Maximum attention	Maximum attitude
MMSE			0.165^*
Speech clarity	0.163^*	0.182^*
ADL	0.201^**	0.304^***	0.244^**
Making oneself understood
Number of activities of past interest to the participant	0.171^*
Gender (female, male)	−0.142^*		−0.175^*
Total R²	0.131	0.155	0.141

p <0.05;

^**

p <.01;

^***

p <0.001.