Prevalence of and multivariable-adjusted ORs from logistic regression model for children SHS at home
| Prevalence of children SHS exposure at home (%) | Multivariable-adjusted OR* (95% CI) | |||
|---|---|---|---|---|
| NHIS year | 2005 | 2009 | 2013 | |
| Total proportion of children exposed | 51 | 32 | 28 | NA |
| Year | ||||
| 2005 | NA | NA | NA | Reference |
| 2009 | NA | NA | NA | 0.45 (0.41 to 0.51) |
| 2013 | NA | NA | NA | 0.41 (0.36 to 0.46) |
| Sex | ||||
| Female | 52 | 31 | 26 | Reference |
| Male | 49 | 34 | 30 | 1.01 (0.92 to 1.11) |
| Age (years) | ||||
| 3–5 | 47 | 33 | 25 | Reference |
| 6–8 | 49 | 33 | 30 | 1.06 (0.90 to 1.26) |
| 9–11 | 55 | 32 | 29 | 1.09 (0.95 to 1.24) |
| Health status | ||||
| Fair/poor/very poor | 54 | 38 | 35 | Reference |
| Good/very good | 49 | 31 | 26 | 0.82 (0.69 to 0.97) |
| Monthly household income (NTD) | ||||
| ≤30 000 | 60 | 50 | 44 | Reference |
| 30 001–50 000 | 57 | 38 | 35 | 0.88 (0.77 to 1.01) |
| 50 001–70 000 | 52 | 27 | 27 | 0.79 (0.66 to 0.96) |
| 70 001–100 000 | 40 | 19 | 17 | 0.61 (0.49 to 0.77) |
| ≥100 001 | 36 | 21 | 19 | 0.65 (0.53 to 0.78) |
| Highest parental education level | ||||
| Middle school or below | 68 | 59 | 45 | Reference |
| High school | 61 | 41 | 43 | 0.71 (0.55 to 0.92) |
| College or above | 33 | 18 | 17 | 0.26 (0.19 to 0.36) |
| Other | 83 | 63 | 42 | 1.06 (0.61 to 1.83) |
| Household composition | ||||
| Number of parents | ||||
| 0 or 1 | 57 | 39 | 38 | Reference |
| 2 | 51 | 31 | 28 | 1.15 (1.00 to 1.33) |
| Grandparents living in household? | ||||
| No | 45 | 27 | 22 | Reference |
| Yes | 58 | 40 | 36 | 1.44 (1.23 to 1.69) |
| Other adults living in household?† | ||||
| No | 47 | 29 | 25 | Reference |
| Yes | 62 | 46 | 38 | 1.41 (1.13 to 1.76) |
*Results from multivariable logistic regression model. Model included all covariates in the table.
†Other adults referred to non-parental, non-grandparental relatives or unrelated adults.
NA, not applicable; NTD, New Taiwan Dollars; SHS, secondhand smoke.