Table 3.
Logistic regression models for MCI, aMCI and naMCI by residential areas
| Total OR (95% CI) | Urban OR (95% CI) | Rural OR (95% CI) | |||||||
| MCI | aMCI | naMCI | MCI | aMCI | naMCI | MCI | aMCI | naMCI | |
| Sex (female) | 1.29* (1.05 to 1.60) |
1.77** (1.40 to 2.26) |
1.72** (1.21 to 2.45) |
0.61** (0.47 to 0.79) |
0.39** (0.28 to 0.54) |
0.65 (0.41 to 1.03) |
1.64* (1.15 to 2.35) |
1.24 (0.82 to 1.87) |
2.60** (1.51 to 4.48) |
| Age, years | 1.08** (1.06 to 1.10) |
1.09** (1.07 to 1.11) |
1.07** (1.04 to 1.10) |
1.08** (1.05 to 1.10) |
1.09** (1.07 to 1.12) |
1.05 (0.91 to 1.09) |
1.07** (1.04 to 1.11) |
1.07* (1.03 to 1.12) |
1.08* (1.03 to 1.14) |
| Education, years | 0.96 (0.94 to 1.18) |
0.96** (0.93 to 0.98) |
0.99 (0.95 to 1.02) |
0.98 (0.95 to 1.02) |
0.94* (0.90 to 0.98) |
1.06 (0.99 to 1.12) |
0.97 (0.92 to 1.02) |
0.93* (0.88 to 0.99) |
1.07 (0.99 to 1.15) |
| Having close friends | 0.67** (0.54 to 0.84) |
0.70** (0.55 to 0.91) |
0.68* (0.48 to 0.98) |
0.98 (0.74 to 1.31) |
1.04 (0.74 to 1.46) |
0.60* (0.38 to 0.94) |
0.60* (0.42 to 0.87) |
0.60* (0.40 to 0.91) |
0.96 (0.58 to 1.60) |
| Fish consumption | 0.24** (0.18 to 0.30) |
0.17** (0.13 to 0.22) |
0.71 (0.44 to 1.13) |
0.34** (0.23 to 0.49) |
0.27** (0.18 to 0.41) |
0.61 (0.24 to 1.57) |
0.17** (0.12 to 0.25) |
0.12** (0.08 to 0.17) |
0.55* (0.31 to 0.97) |
| Cognitive activities | 0.47** (0.38 to 0.59) |
0.51** (0.39 to 0.68) |
0.52** (0.35 to 0.77) |
0.47** (0.35 to 0.63) |
0.46* (0.32 to 0.66) |
0.66 (0.38 to 1.15) |
0.49** (0.33 to 0.71) |
0.59* (0.38 to 0.91) |
0.38* (0.20 to 0.71) |
| Insomnia | 3.05** (2.46 to 3.78) |
5.04** (3.85 to 6.59) |
1.37 (0.98 to 1.91) |
5.70** (4.27 to 7.61) |
20.39** (12.62 to 32.93) |
1.51 (0.96 to 2.37) |
0.75 (0.52 to 1.08) |
1.59** (1.06 to 2.39) |
1.23 (0.73 to 2.06) |
| Overweight† | 1.03 (0.84 to 1.27) |
0.90 (0.71 to 1.14) |
0.60** (0.40 to 0.90) |
0.74 (0.57 to 1.07) |
0.69 (0.50 to 1.14) |
0.97 (0.63 to 1.51) |
0.51** (0.34 to 0.76) |
0.61** (0.39 to 0.96) |
0.34** (0.17 to 0.66) |
*p<0.05, **p<0.001.
†The body mass index for overweight is greater than or equal to 24.0; it includes both overweight and obesity.
aMCI, amnestic mild cognitive impairment; MCI, mild cognitive impairment; naMCI, non-amnestic mild cognitive impairment.