Table 1.
Variables description and descriptive analysis.
| Variables | Variables Description | Mean/% | ||
|---|---|---|---|---|
| Men | Women | All | ||
| Tobacco use prevalence (TP) | Tobacco use or not | 29.7 | 3.5 | 16.0 |
| Tobacco use quantities (TQ) | Number of cigarettes per day among smokers | 14.9 | 10.7 | 14.4 |
| Chronic | ||||
| No † | Don’t have chronic diseases = 1, no = 0 | 37.2 | 33.8 | 35.5 |
| Yes | Having chronic diseases = 1, no = 0 | 62.8 | 66.2 | 64.5 |
| Age group | ||||
| 45–54 † | 45 ≤ Age ≤ 54 | 30.7 | 35.2 | 33.0 |
| 55–64 | 55 ≤ Age ≤ 64 | 38.0 | 37.0 | 37.5 |
| 65–74 | 65 ≤ Age ≤ 74 | 22.0 | 19.8 | 20.7 |
| 75 and above | 75 ≤ Age | 9.3 | 8.3 | 8.8 |
| Party | ||||
| No † | Communist = 0, no = 1 | 82.3 | 95.7 | 89.3 |
| Yes | Communist = 1, no = 0 | 17.7 | 4.3 | 10.7 |
| Urban | ||||
| Urban | Urban = 1, else = 0 | 39.3 | 40.4 | 39.9 |
| Rural † | Rural = 1, else = 0 | 60.7 | 59.6 | 60.1 |
| Educational attainment | ||||
| Illiteracy † | No formal education(illiterate) = 1, else = 0 | 11.9 | 37.7 | 25.3 |
| Primary school | Primary school = 1, else = 0 | 44.1 | 36.7 | 40.2 |
| Middle school | Middle school = 1, else = 0 | 26.8 | 16.4 | 21.4 |
| High school and above | High school and above = 1, else = 0 | 17.2 | 9.2 | 13.0 |
| Household size | Amount of household members | 4.4 | 4.4 | 4.4 |
| Ethnicity | ||||
| Minor ethnicity † | Minor nationality = 1, else = 0 | 6.9 | 8.3 | 7.7 |
| Han ethnicity | Han nationality = 1, else = 0 | 93.1 | 91.7 | 92.3 |
| Marriage | ||||
| Married † | Married = 1, Divorce or else = 0 | 91.6 | 85.2 | 88.3 |
| Divorce or else | Divorce or else = 1, married = 0 | 8.4 | 14.8 | 11.7 |
| Basic insurance | ||||
| UEBMI † | Having UEBMI = 1, no = 0 | 16.1 | 10.9 | 13.4 |
| URBMI | Having URBMI = 1, no = 0 | 6.8 | 8.7 | 7.8 |
| NRCMS | Having NRCMS = 1, no = 0 | 77.1 | 80.4 | 78.8 |
| Area | ||||
| Northwest † | Living in northwest of China = 1, else = 0 | 7.1 | 7.2 | 7.2 |
| Southwest | Living in southwest of China = 1, else = 0 | 17.5 | 17.4 | 17.4 |
| South middle | Living in south middle of China = 1, else = 0 | 23.9 | 24.1 | 24.0 |
| North | Living in north of China = 1, else = 0 | 13.5 | 13.2 | 13.4 |
| East | Living in east of China = 1, else = 0 | 7.6 | 7.7 | 7.6 |
| Northeast | Living in northeast of China = 1, else = 0 | 30.4 | 30.4 | 30.4 |
Notes: † Reference levels in the regressions; UEBMI: the Urban Employment Basic Medical Insurance; URBMI: the Urban Resident Basic Health Insurance; NRCMS: the New Rural Cooperative Medical Scheme. Mean was calculated for continuous variables and percentage (%) was used for category variables.