Table 5. Multiple regression analyses examining Athens Insomnia Scale predictors of Zarit Burden Interview score.

(n = 60).

AIS subscales	β (95% CI)	R2change	Fchange (df)	p value
Dependent = ZBI		0.19	4.5 (3, 56)	0.007
Awakening during the night	0.10 (-0.21–0.40)
Final awakening earlier than desired	0.13 (-0.15–0.41)
Functioning during the dayd	0.32* (0.05–0.59)

Abbreviation: β: standardized regression coefficient; CI: confidence interval.

^dFunctioning during the day was defined as physical and mental functioning.

*p < 0.05.