变量

正常组(n = 799)

MCI组(n = 220)

t/c²

P

年龄(岁)

70.62 ± 6.75

82.98 ± 5.34

−25.073

<0.001

BMI (kg/m²)

25.56 ± 3.95

24 ± 4.07

5.146

<0.001

性别[n (%)]

0.391

0.532

男

366 (77.5%)

106 (22.5%)

女

433 (79.2%)

114 (20.8%)

文化程度[n (%)]

68.862

<0.001

文盲

37 (48.7)

39 (51.3)

小学

133 (67.5)

64 (32.5)

中学及以上

629 (84.3)

117 (15.7)

职业[n (%)]

13.06

<0.001

体力劳动

551 (75.5%)

179 (24.5%)

脑力劳动

248 (85.8%)

41 (14.2%)

婚姻[n (%)]

47.213

<0.001

已婚

673 (82.9%)

139 (17.1%)

未婚/离婚/丧偶

126 (60.9%)

81 (39.1%)

居住情况[n (%)]

13.454

<0.001

家人合住

710 (79.3%)

185 (20.7%)

独居

69 (79.3%)

18 (20.7%)

养老院机构

20 (54.1%)

17 (45.9%)

饮酒[n (%)]

0.153

0.696

不饮酒

698 (78.6%)

190 (21.4%)

饮酒

101 (77.1%)

30 (22.9%)

吸烟[n (%)]

5.106

<0.05

不吸烟

641 (79.9%)

161 (20.1%)

吸烟

158 (72.8%)

59 (27.2%)