Associations of social isolation with sleep duration and sleep quality in the elderly: Mediating influence of depression

Table 5 The mediating effects of depression on social isolation, sleep behaviors in different age and sex

		Total effect, OR1 (95%CI)	Direct effect, OR (95%CI)	Indirect effect, OR (95%CI)	Mediated (%)
Sleep duration
Sex	Male	1.37 (1.07-1.76)	1.36 (1.06-1.74)	1.01 (1.00-1.03)	3.39
	Female	1.59 (1.32-1.91)	1.53 (1.27-1.85)	1.03 (1.01-1.06)	7.30
Age (years)	< 80	1.59 (1.35-1.88)	1.56 (1.32-1.84)	1.02 (1.01-1.04)	4.58
	≥ 80	1.37 (0.99-1.90)	1.30 (0.95-1.81)	1.05 (0.99-1.12)	-
Sleep quality
Sex	Male	1.27 (0.89-1.79)	1.24 (0.87-1.76)	1.02 (0.99-1.04)	-
	Female	1.38 (1.10-1.74)	1.33 (1.06-1.68)	1.04 (1.01-1.06)	11.39
Age (years)	< 80	1.46 (1.18-1.81)	1.41 (1.15-1.76)	1.03 (1.01-1.05)	7.93
	≥ 80	1.27 (0.94-1.93)	1.23 (0.81-1.87)	1.03 (0.99-1.08)	-

¹Multivariate adjusting variables as model 3 in Table 2.