Table 1.
Sample and population-weighted characteristics distribution among school personnel (N = 3194) in Shanghai, China.
| Un-Weighted Sample Size | Weighted | ||
|---|---|---|---|
| % (95% CI) | Number | ||
| School | |||
| Junior high school | 1719 | 58.2 (56.5–59.9) | 50,394 |
| Senior high school | 681 | 27.0 (25.4–28.7) | 23,411 |
| Vocational school | 794 | 14.7 (13.8–15.8) | 12,750 |
| Gender | |||
| Male | 887 | 26.7 (25.2–28.2) | 23,082 |
| Female | 2307 | 73.3 (71.8–74.8) | 63,474 |
| Age group | |||
| <40 y old | 1479 | 47.2 (45.4–48.9) | 40,841 |
| ≥40 y old | 1715 | 52.8 (51.1–54.6) | 45,714 |
| Education | |||
| Bachelor’s and above | 2875 | 91.6 (90.6–92.5) | 79,272 |
| College and below | 319 | 8.4 (7.5–9.4) | 7283 |
| Position | |||
| Teachers | 2521 | 80.6 (79.2–81.9) | 69,775 |
| Non-teaching staff | 673 | 19.4 (18.1–20.8) | 16,780 |
| Smoking status | |||
| Never | 2805 | 88.8 (87.7–89.9) | 76,884 |
| Former | 128 | 7.4 (6.5–8.3) | 3299 |
| Current | 261 | 3.8 (3.2–4.5) | 6373 |
| E-cigarette use | |||
| Never | 3071 | 96.4 (95.7–97.0) | 83,426 |
| Ever | 123 | 3.6 (3.0–4.3) | 3130 |
| Knowledge of conventional cigarette hazard | |||
| Low score | 1611 | 50.2 (48.5–52.0) | 43,485 |
| High score | 1583 | 49.8 (48.0–51.5) | 43,070 |
| Attitude toward conventional cigarette | |||
| Negative | 1799 | 57.2 (55.5–59.0) | 49,530 |
| Positive | 1395 | 42.8 (41.0–44.5) | 37,026 |
| SHS exposure | |||
| No exposure | 1116 | 35.4 (33.8–37.2) | 30,681 |
| Exposure | 2078 | 64.6 (62.8–66.2) | 55,875 |
| School rule enforcement | |||
| Strict | 1298 | 45.3 (43.5–47.1) | 39,206 |
| Not strict | 1896 | 54.7 (52.9–56.5) | 47,349 |
| Attitude toward e-cigarettes | |||
| Negative | 1942 | 61.2 (59.5–62.9) | 52,976 |
| Positive | 1252 | 38.8 (37.1–40.5) | 33,579 |
| E-cigarette exposure | |||
| No exposure | 2725 | 85.9 (84.7–87.1) | 74,362 |
| Exposure | 469 | 14.1 (12.9–15.3) | 12,193 |
Note: Confidence interval (CI); secondhand smoke (SHS).