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. 2023 Feb 17;23:356. doi: 10.1186/s12889-023-15279-6

Table 3.

Logistic regression analysis of the elderly with severe illness

Variable Full sample Male Female
(1) (2) (3)
OR (95% CI) OR (95% CI) OR (95% CI)
Gender(reference: Male)
Female 1.13 (0.73,1.75) - - - -
Age group (reference: 60–69 years-old)
70–79 0.72 (0.47,1.09) 1.14 (0.55,2.37) 0.56** (0.33,0.96)
80 and above 1.15 (0.57,2.33) 1.04 (0.32,3.32) 1.35 (0.49,3.69)
Marital status (reference: single)
Married with a spouse 0.80 (0.18,3.48) 0.17 (0.01,2.99) 1.86 (0.28,12.35)
Divorce/widow 0.87 (0.19,4.03) 0.39 (0.02,9.20) 1.57 (0.23,10.64)
Cohabitation status (reference: living alone)
Couple living together 0.83 (0.34,2.04) 5.25* (0.77,35.76) 0.51 (0.17,1.53)
Live with relatives 0.61 (0.17,2.23) 1.03 (0.07,14.13) 0.42 (0.08,2.08)
Live with children 0.75 (0.33,1.72) 4.06 (0.63,25.99) 0.48 (0.18,1.26)
Live with three generations 1.56 (0.56,4.31) 18.48** (1.94,175.73) 0.85 (0.26,2.83)
Education level (reference: elementary school and below)
Junior high school 1.34 (0.79,2.29) 2.53* (0.90,7.14) 1.15 (0.58,2.27)
Secondary school 1.23 (0.66,2.28) 1.45 (0.46,4.57) 1.30 (0.58,2.91)
College and above 1.16 (0.55,2.44) 0.84 (0.25,2.81) 1.99 (0.65,6.06)
Occupation before retirement (reference: unemployed)
Governmental institutions 1.04 (0.47,2.27) 1.47 (0.35,6.08) 0.82 (0.28,2.38)
Collective enterprises 0.81 (0.48,1.38) 0.5 (0.17,1.49) 0.84 (0.44,1.59)
Private and others 0.91 (0.44,1.87) 1.15 (0.34,3.89) 0.67 (0.24,1.84)
Monthly income (reference: less than 2,000 yuan)
2000–3999 1.30 (0.63,2.67) 1.67 (0.44,6.27) 1.08 (0.42,2.77)
4000–5999 1.53 (0.67,3.49) 2.72 (0.70,10.56) 1.05 (0.32,3.47)
6000 and above 2.34 (0.77,7.14) 10.5** (1.52,72.69) 0.54 (0.11,2.67)
Physical condition (reference: unhealthy)
Moderately healthy 0.52** (0.27,1.00) 0.33* (0.09,1.20) 0.54 (0.25,1.19)
Healthy 0.51** (0.26,0.99) 0.34 (0.09,1.29) 0.52 (0.23,1.17)
Chronic disease (reference: none)
One 1.10 (0.71,1.69) 1.75 (0.80,3.86) 0.97 (0.55,1.71)
Two 1.38 (0.80,2.39) 1.03 (0.37,2.86) 1.69 (0.84,3.40)
Three or more 1.13 (0.54,2.35) 1.85 (0.48,7.11) 1.17 (0.46,3.02)
Basic medical insurance (reference: not participated)
Participated 0.74 (0.32,1.70) 0.58 (0.12,2.71) 0.87 (0.31,2.46)
Place of residence (reference: rural)
urban 1.10 (0.54,2.24) 0.76 (0.20,2.89) 1.59 (0.62,4.08)
Household registration (reference: non-Shanghai hukou)
Shanghai hukou 0.69 (0.25,1.87) 2.24 (0.51,9.73) 0.15* (0.02,1.25)
Constant 5.81 (0.68,49.42) 1.06 (0.02,68.58) 20.62* (0.95,446.95)
R2 0.04 0.13 0.05
N 611 215 396

*p < 0.05, **p < 0.01