Table 2 Factors influenced self-rated health of the elderly (Multiple linear regression model)
Total sample (N = 6176) | Female (N = 2978) | Male (N = 3198) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Variables | Coef. (βj) | 95% Conf. interval | P | Coef. (βj) | 95% Conf. interval | P | Coef. (βj) | 95% Conf. interval | P |
Age | 0.003 | (−0.001,0.007) | 0.14 | 0.005 | (−0.0009,0.01) | 0.10 | 0.002 | (−0.004,0.007) | 0.56 |
Gender (Ref: female) | 0.12*** | (0.06,0.18) | < 0.001 | ||||||
Educational level (Ref: Illiteracy or Elementary) | 0.04 | (−0.02,0.10) | 0.20 | 0.06 | (−0.05,0.17) | 0.30 | 0.03 | (− 0.05,0.11) | 0.45 |
Marital status (Ref: unmarried) | −0.07* | (− 0.12,-0.01) | 0.03 | − 0.04 | (− 0.12,0.04) | 0.31 | − 0.08 | (− 0.17,0.007) | 0.07 |
Employment (Ref: unemployed) | 0.26*** | (0.21,0.31) | < 0.001 | 0.21*** | (0.14,0.28) | < 0.001 | 0.32*** | (0.24,0.39) | < 0.001 |
Residence(Ref: urban) | −0.13** | (− 0.22,-0.04) | 0.003 | − 0.21** | (− 0.34,-0.08) | 0.002 | − 0.06 | (− 0.19,0.06) | 0.32 |
Regions (Ref: Western) | |||||||||
Central | 0.09*** | (0.04,0.14) | < 0.001 | 0.11** | (0.04,0.19) | 0.004 | 0.07 | (−0.008,0.14) | 0.08 |
Eastern | 0.17*** | (0.11,0.22) | < 0.001 | 0.17*** | (0.09,0.25) | < 0.001 | 0.16*** | (0.08,0.23) | < 0.001 |
With chronic diseases (Ref: no) | −0.43*** | (− 0.48,-0.38) | < 0.001 | − 0.40*** | (− 0.48,-0.33) | < 0.001 | − 0.46*** | (− 0.53,-0.39) | < 0.001 |
With physical disabilities (Ref: no) | − 0.27*** | (− 0.32,-0.22) | < 0.001 | − 0.25*** | (− 0.32,-0.18) | < 0.001 | − 0.29*** | (− 0.36,-0.22) | < 0.001 |
Having ever smoked or smoking now (Ref: no) | −0.06 | (− 0.12,0.004) | 0.07 | − 0.04 | (− 0.14,0.06) | 0.47 | − 0.07 | (− 0.15,0.002) | 0.06 |
Taking medical examination during the last two years (Ref: no) | − 0.06** | (− 0.11,-0.014) | 0.01 | − 0.06 | (− 0.13,0.003) | 0.06 | − 0.06 | (− 0.12,0.007) | 0.08 |
Level of social medical insurance (Ref: low) | |||||||||
Middle | 0.10* | (0.001,0.21) | 0.049 | 0.07 | (−0.07,0.21) | 0.32 | 0.11 | (−0.05,0.26) | 0.19 |
High | 0.10* | (0.002,0.21) | 0.045 | 0.007 | (−0.16,0.17) | 0.93 | 0.19** | (0.06,0.33) | 0.005 |
Equivalized per capita income (thousand Yuan) | 0.002*** | (0.001,0.003) | < 0.001 | 0.003** | (0.0008,0.005) | 0.007 | 0.002** | (0.0006,0.003) | 0.004 |