Table A2.
Determinants of vaccination status among older adults: a separate analysis by using individual health measures in 2018
| Dependent variable in logistic regression | Vaccination (at least one dose) vs. the unvaccinated | Primary series recipients vs. others | Booster recipients vs. others | |||
|---|---|---|---|---|---|---|
| (n/mean of dep. variable) | n=12900 | mean=.939 | n=12900 | mean=.913 | n=12900 | mean=.773 |
| OR (95% CI) | p value | OR (95% CI) | p value | OR (95% CI) | p value | |
| Female | 0.85 (0.72–1.00) | 0.045 | 0.84 (0.73–0.96) | 0.012 | 0.94 (0.87–1.03) | 0.179 |
| Married | 1.52 (1.27–1.83) | 0.000 | 1.39 (1.19–1.64) | 0.000 | 1.20 (1.07–1.35) | 0.003 |
| Ethnic minorities | 0.92 (0.65–1.30) | 0.654 | 0.69 (0.53–0.90) | 0.006 | 0.65 (0.55–0.79) | 0.000 |
| Urban Hukou | 0.60 (0.49–0.73) | 0.000 | 0.70 (0.59–0.84) | 0.000 | 0.96 (0.85–1.09) | 0.551 |
| Age group (ref. 52–59) | ||||||
| Age 60–69 | 0.99 (0.78–1.25) | 0.925 | 0.88 (0.72–1.08) | 0.228 | 0.85 (0.75–0.96) | 0.012 |
| Age 70–79 | 0.73 (0.57–0.93) | 0.012 | 0.61 (0.49–0.76) | 0.000 | 0.62 (0.54–0.71) | 0.000 |
| Age 80+ | 0.30 (0.23–0.40) | 0.000 | 0.23 (0.18–0.29) | 0.000 | 0.24 (0.20–0.29) | 0.000 |
| Education (ref. illiterate) | ||||||
| Primary school (literate) | 1.09 (0.90–1.32) | 0.393 | 0.95 (0.80–1.12) | 0.545 | 1.04 (0.93–1.16) | 0.500 |
| Middle and high school + | 1.20 (0.95–1.53) | 0.129 | 1.19 (0.96–1.46) | 0.106 | 1.14 (0.99–1.30) | 0.065 |
| Region (ref. East) | ||||||
| Central | 1.07 (0.88–1.31) | 0.467 | 1.28 (1.07–1.52) | 0.006 | 1.14 (1.01–1.29) | 0.034 |
| West | 1.47 (1.19–1.81) | 0.000 | 1.35 (1.13–1.62) | 0.001 | 1.26 (1.11–1.43) | 0.000 |
| Northeast | 1.31 (0.95–1.82) | 0.101 | 1.17 (0.88–1.55) | 0.282 | 0.88 (0.72–1.07) | 0.203 |
| Functionally dependent | 0.51 (0.42–0.61) | 0.000 | 0.52 (0.44–0.61) | 0.000 | 0.67 (0.60–0.76) | 0.000 |
| Chronic conditions | ||||||
| Hypertension | 0.75 (0.64–0.88) | 0.001 | 0.73 (0.64–0.84) | 0.000 | 0.83 (0.76–0.92) | 0.000 |
| Heart diseases | 0.79 (0.65–0.95) | 0.014 | 0.84 (0.71–0.99) | 0.041 | 0.94 (0.84–1.06) | 0.326 |
| Stroke | 0.71 (0.55–0.92) | 0.009 | 0.72 (0.57–0.90) | 0.005 | 0.77 (0.65–0.92) | 0.003 |
| Diabetes | 0.84 (0.67–1.05) | 0.135 | 0.76 (0.63–0.92) | 0.006 | 0.84 (0.73–0.96) | 0.013 |
| Lung diseases | 0.76 (0.61–0.94) | 0.013 | 0.83 (0.69–1.01) | 0.058 | 0.98 (0.85–1.12) | 0.750 |
| Cancer | 0.29 (0.20–0.43) | 0.000 | 0.36 (0.25–0.51) | 0.000 | 0.51 (0.38–0.67) | 0.000 |
| Dyslipidaemia | 1.02 (0.84–1.23) | 0.866 | 1.11 (0.94–1.31) | 0.229 | 1.07 (0.95–1.21) | 0.256 |
| Liver diseases | 1.34 (0.95–1.90) | 0.097 | 1.24 (0.93–1.67) | 0.142 | 1.07 (0.89–1.28) | 0.466 |
| Kidney diseases | 0.92 (0.71–1.21) | 0.565 | 1.02 (0.80–1.29) | 0.886 | 1.20 (1.01–1.42) | 0.035 |
| Asthma | 0.82 (0.60–1.12) | 0.220 | 0.84 (0.64–1.10) | 0.201 | 0.78 (0.64–0.96) | 0.017 |
| Arthritis/rheumatism | 1.49 (1.25–1.77) | 0.000 | 1.40 (1.21–1.62) | 0.000 | 1.16 (1.05–1.28) | 0.003 |
| Digestive disease | 1.09 (0.92–1.30) | 0.326 | 1.11 (0.96–1.29) | 0.165 | 1.17 (1.05–1.29) | 0.003 |
| Constant | 19.76 (13.91–28.07) | 0.000 | 16.23 (11.98–21.98) | 0.000 | 4.34 (3.53–5.32) | 0.000 |
Note: Health measures, including functional dependency and chronic disease incidence, were from the 2018 wave. Other specifications are same as in Table 2. Standard errors are clustered at the household level. OR stands for odds ratio.