Table 1.
Demographic data of the study subject (n = 1,134).
| Description | Number | Percentage |
|---|---|---|
| Gender | ||
| Men | 185 | 16.3 |
| Women | 949 | 83.7 |
| Age (year) | ||
| 20–29 | 56 | 4.9 |
| 30–39 | 128 | 11.3 |
| 40–49 | 204 | 18.0 |
| 50–59 | 331 | 29.2 |
| 60–69 | 293 | 25.8 |
| 70+ | 122 | 10.8 |
| Mean ± s.d. = 53.4 ± 13.4 | ||
| Median = 55.0 | ||
| Educational completion | ||
| Primary school | 795 | 71.8 |
| Secondary school | 261 | 23.6 |
| Higher than secondary school | 52 | 4.7 |
| Missing | 26 | 2.3 |
| Occupation | ||
| Farmer | 403 | 35.5 |
| Housewife | 341 | 30.1 |
| Agricultural laborer | 224 | 19.8 |
| Others | 166 | 14.6 |
| Family income per month (Baht) | ||
| <3,000 | 331 | 31.3 |
| 3,001-6,000 | 261 | 24.7 |
| 6,001-10,000 | 230 | 21.8 |
| >10,001 | 234 | 22.2 |
| Missing | 78 | 6.9 |
| Cigarette smoking | ||
| Yes | 116 | 10.2 |
| No | 1018 | 89.8 |
| Family member's smoking | ||
| Yes | 375 | 33.3 |
| No | 751 | 66.7 |
| Missing | 8 | 0.7 |
| Co-worker smoking | ||
| Yes | 182 | 16.2 |
| No | 942 | 83.8 |
| Missing | 10 | 0.9 |