Depression in the Spousally Bereaved Elderly: Correlations with Subjective Sleep Measures

Table 2

Spearman rho correlation coefficients. Significance is denoted: ^∗𝑃<0.05, ^∗∗𝑃<0.01, ^∗∗∗𝑃<0.001 (2-tailed). Sample size of 38 was reduced slightly for some comparisons because of missing data (see text).

Variable	PSQI	Time spent asleep	Sleep efficiency
HRSD	0.550***	−0.422**	−0.655***
Days since loss	−0.272	−0.257	−0.028
TRIG score	0.092	−0.610***	−0.276