The relationship between marital status and cognitive impairment in Chinese older adults: the multiple mediating effects of social support and depression

Table 2 T tests for major variables

Variables		Formal social support		Informal social support		Depression		Cognitive impairment
Variables		M ± SD	t	M ± SD	t	M ± SD	t	M ± SD	t
Marital status	No spouse	2.65 ± 2.29	0.32	2.51 ± 0.76	-2.92^**	34.38 ± 8.97	-10.07^***	18.08 ± 5.84	-15.46^***
Marital status	Have spouse	2.62 ± 2.24	0.32	2.59 ± 0.61	-2.92^**	37.66 ± 7.13	-10.07^***	20.99 ± 3.48	-15.46^***
Sex	Male	2.68 ± 2.34	-1.01	2.51 ± 0.72	2.25^*	36.89 ± 7.74	-6.09^***	20.44 ± 4.48	-10.45^***
Sex	Female	2.59 ± 2.21	-1.01	2.57 ± 0.69	2.25^*	34.85 ± 8.79	-6.09^***	18.34 ± 5.53	-10.45^***

ISSN: 1471-2318