Logistic regression of workplace SHS exposure on occupation, employment status and covariates (n=804)
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| Occupational category and employment status | +Sociodemographic characteristics | +Health attitudes, status and behaviour | ||||
| OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | |
| Occupational category | ||||||
| Management, business, science and arts (referent) | ||||||
| Service | 2.76 | (1.56 to 4.89)*** | 2.90 | (1.57 to 5.39)*** | 3.07 | (1.68 to 5.62)*** |
| Sales and office | 1.59 | (0.93 to 2.72) | 1.72 | (0.99 to 2.98) | 1.72 | (0.99 to 2.99) |
| Natural resources, construction and maintenance | 3.47 | (1.09 to 11.02)* | 5.14 | (1.51 to 17.43)** | 4.59 | (1.33 to 15.84)** |
| Production | 0.36 | (0.06 to 2.35) | 0.43 | (0.06 to 2.99) | 0.38 | (0.06 to 2.55) |
| Transportation and material moving | 7.99 | (1.35 to 47.50)* | 9.14 | (1.29 to 64.96)* | 6.37 | (1.02 to 39.72)* |
| Employment status | ||||||
| Full-time year-round | 1.70 | (0.97 to 3.01) | 1.27 | (0.61 to 2.64) | 1.33 | (0.64 to 2.77) |
| Part-time year-round | 1.44 | (0.75 to 2.74) | 1.39 | (0.70 to 2.74) | 1.38 | (0.71 to 2.68) |
| Full-time temporary | 1.11 | (0.57 to 2.15) | 0.95 | (0.47 to 1.95) | 0.96 | (0.46 to 1.97) |
| Part-time temporary (referent) | ||||||
| Age, years | 1.01 | (0.91 to 1.13) | 1.01 | (0.90 to 1.12) | ||
| Male | 0.73 | (0.46 to 1.15) | 0.73 | (0.46 to 1.17) | ||
| Race/ethnicity | ||||||
| White, non-Hispanic (referent) | ||||||
| Hispanic | 1.44 | (0.79 to 2.60) | 1.27 | (0.70 to2.32) | ||
| Black, non-Hispanic | 2.30 | (1.05 to5.03)* | 1.82 | (0.84 to3.95) | ||
| Asian/Pacific Islander, non-Hispanic | 1.69 | (0.94 to3.04) | 1.51 | (0.84 to2.74) | ||
| Multirace, non-Hispanic | 0.78 | (0.33 to1.86) | 0.69 | (0.28 to1.72) | ||
| Mother has bachelor’s degree or higher | 1.16 | (0.72 to1.86) | 1.29 | (0.80 to2.07) | ||
| Total annual income in 2013 | 1.00 | (0.99999 to1.00002) | 1.00 | (1.00 to1.00) | ||
| Labour union member | 0.82 | (0.43 to1.58) | 0.90 | (0.47 to1.71) | ||
| Perception of SHS harm | 1.03 | (0.87 to1.22) | ||||
| Very good or excellent self-rated health | 0.48 | (0.30 to0.74)*** | ||||
| Current smoker | 1.15 | (0.67 to1.97) | ||||
| Resides in SF County (Alameda County=referent) | 1.35 | (0.83 to2.18) | ||||
*p<0.05; **p<0.01; ***p<0.001.
SHS, secondhand smoke.