Table 2.

Univariate analysis for factors of cognitive function among older adults in urban China.

Variable	Group	N	MMSE	t/F	d/η2	RBANS	t/F	d/η2
Gender	Male	231	26.68 (4.17)	−0.59	−0.04	86.82 (15.72)	−0.25	−0.02
	Female	413	26.87 (3.73)			87.16 (17.28)
Age (years)	60–69	243	27.79 (0.23)	43.63***	0.17	89.12 (13.41)	35.74***	0.14
	70–79	258	27.38 (0.22)			91.31 (15.54)
	80–89	132	24.49 (0.31)			76.75 (18.83)
	90–99	11	19.27 (1.07)			63.36 (14.37)
Educational level	Illiteracy	29	20.28 (3.94)	32.54***	0.20	57.04 (10.43)	58.81***	0.32
	Primary	44	23.57 (5.75)			69.34 (18.05)
	Middle	207	26.87 (4.17)			84.47 (13.69)
	Senior	213	27.62 (2.60)			90.31 (13.25)
	Undergraduate	147	27.75 (2.43)			96.55 (14.14)
	Postgraduate	4	28.25 (2.36)			101.00 (17.38)
Marital status	Married	500	27.06 (3.45)	3.18**	0.02	87.86 (16.14)	1.67	0.01
	Widowed	119	26.04 (5.20)			85.12 (18.27)
	Divorced	15	25.73 (3.33)			79.60 (18.66)
	Separated	2	27.00 (4.24)			87.50 (7.78)
	Never married	5	22.00 (6.89)			76.20 (22.40)
	Other	3	27.67 (3.22)			80.33 (25.01)
Occupational status	Public institution	121	27.28 (2.98)	3.72**	0.04	91.31 (15.56)	8.15***	0.08
	Technician	149	27.28 (3.32)			90.64 (15.53)
	Clerk	96	27.71 (2.99)			91.37 (13.81)
	Commercial service	75	25.37 (5.72)			82.20 (19.37)
	Husbandry production	8	25.88 (3.27)			79.88 (20.03)
	Equipment operation	142	26.23 (4.27)			80.98 (16.50)
	Solider	4	29.00 (0.82)			97.00 (11.46)
	Other	49	26.24 (3.91)			82.27 (16.36)
Regular exercise	Yes	416	27.04 (3.70)	1.97*	0.17	88.19 (16.30)	2.36*	0.19
	No	228	26.38 (4.20)			84.94 (17.33)

^*p<0.05;

^**p<0.01;

and

^***p<0.001.