Table 3.
Prevalence of “secondhand smoker” at home (n = 3269) and work (n = 3019) stratified by participant characteristics (weighted for the age and sex distribution of the Kuwaiti population)
| Characteristic | Weighted prevalence secondhand smoker at homea | Weighted prevalence secondhand smoker at workb | ||||||
|---|---|---|---|---|---|---|---|---|
| n | % | 95% CI | p | n | % | 95% CI | p | |
| Overall | 3268 | 38.6 | [36.9–40.4] | 3019 | 29.9% | 28.1–31.6 | ||
| Sex | < 0.001 | < 0.001 | ||||||
| Female | 2376 | 42.9 | [40.8–44.9] | 2188 | 17.3 | [15.8–19.0] | ||
| Male | 892 | 31.3 | [28.3–34.5] | 831 | 51.2 | [47.8–54.6] | ||
| Men | < 0.001 | < 0.001 | ||||||
| 18–29 | 309 | 34.6 | [29.5–40.1] | 290 | 53.5 | [47.7–59.1] | ||
| 30–44 | 282 | 29.1 | [24.1–34.6] | 271 | 57.2 | [51.2–63.0] | ||
| 45–59 | 238 | 28.2 | [22.8–34.2] | 218 | 44.0 | [37.6–50.7] | ||
| 60–69 | 63 | 31.8 | [21.6–44.2] | 52 | 30.8 | [19.8–44.5] | ||
| Women | ||||||||
| 18–29 | 757 | 43.6 | [40.1–47.2] | 721 | 18.7 | [16–21.7] | ||
| 30–44 | 978 | 41.5 | [38.5–44.6] | 941 | 17.4 | [15.1–20.0] | ||
| 45–59 | 508 | 43.1 | [38.9–47.5] | 434 | 16.1 | [13–20.0] | ||
| 60–69 | 133 | 44.4 | [36.2–52.9] | 92 | 10.9 | [5.9–19.0] | ||
| Marital status | 0.593 | 0.023 | ||||||
| Single | 736 | 39.7 | [36.2–43.4] | 683 | 31.7 | [28.1–35.5] | ||
| Married | 2254 | 38.1 | [36.1–40.2] | 2101 | 29.6 | [27.5–31.7] | ||
| Separated/divorced | 162 | 36.3 | [29.1–44.2] | 150 | 29.9 | [25.8–41.6] | ||
| Widowed | 115 | 43.2 | [34.3–52.5] | 84 | 15.3 | [9.0–24.9] | ||
| Highest education level | < 0.001 | < 0.001 | ||||||
| Less than primary | 120 | 47.1 | [38.2–56.2] | 71 | 7.0 | [2.9–15.9] | ||
| Primary school | 74 | 58.1 | [46.3–69.0] | 59 | 31.9 | [21.1–45.1] | ||
| Intermediate school | 352 | 44.2 | [38.9 -49.6] | 296 | 30.6 | [25.2–36.5] | ||
| High school | 574 | 43.6 | [39.5–47.9] | 520 | 37.3 | [33.1–41.8] | ||
| Diploma/college | 1131 | 39.6 | [36.7–42.6] | 1089 | 25.3 | [22.6–28.1] | ||
| Post-graduate | 867 | 32.1 | [28.9–35.3] | 835 | 32.6 | [29.3–36.1] | ||
| Employment status | 0.001 | < 0.001 | ||||||
| Government | 2243 | 37.3 | [35.2–39.3] | 2210 | 31.3 | [29.3–33.4] | ||
| Non-government | 98 | 34 | [25.1–44.1] | 94 | 52.8 | [42.5–62.9] | ||
| Self-employed | 21 | 8.4 | [2.1–28.6] | 19 | 23.7 | [9.2–48.8] | ||
| Student | 241 | 39.7 | [33.6–46.2] | 211 | 37.7 | [31.2–44.7] | ||
| Homemaker | 363 | 47.7 | [42.6–53.0] | 248 | 11.4 | [8.0–16.0] | ||
| Retired/unemployed | 299 | 40.9 | [35.4–46.7] | 235 | 16.5 | [12.2–22.0] | ||
| Obesity | 0.955 | 0.003 | ||||||
| BMI < 30 | 1708 | 38.6 | [36.2–41.0] | 1604 | 32.3 | [29.9–34.8 | ||
| BMI≥ 30 | 1560 | 38.7 | [36.2–41.2] | 1415 | 27 | [24.6–29.5 | ||
| HTN | 0.899 | |||||||
| Yes | 627 | 39.5 | [35.7–43.5] | 549 | 35.8 | [31.7–40.1] | 0.029 | |
| No | 2025 | 39.2 | [37.4–41.2] | 1927 | 30.6 | [28.5–32.9] | ||
| Diabetes | 0.272 | |||||||
| Yes | 410 | 40.8 | [36.0–45.7] | 336 | 32.8 | [27.8–38.3] | 0.797 | |
| No | 1699 | 37.7 | [35.4–40.2] | 1583 | 32.1 | [29.7–34.6] | ||
aActive smokers were excluded from the analyses
bActive smokers and those did not work in a closed area were excluded from the analyses