Costs of hospitalisation due to any illness in the first year of life attributable to ETS exposure for the 1997 annual birth cohort
| Adjusted OR* | PAR (%) | Relative contribution to the cost (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Prevalence (%) | Crude OR | Point estimate | 95% CI | Point estimate | 95% CI | Extra number of episodes attributable to ETS | Total extra cost (US$1000) | Private sector | Public sector | |
| OR, odds ratio; CI, confidence interval; PAR, population attributable risk. | ||||||||||
| N/A denotes items not calculated because the associated PARs did not achieve statistical significance at the 0.05 level. | ||||||||||
| *Odds ratios are adjusted for maternal education level, maternal full time employment, maternal age, birth order, method of delivery, birth weight, and breast feeding. | ||||||||||
| †Additional adjustment for smoking by others. | ||||||||||
| ‡Additional adjustment for paternal smoking. | ||||||||||
| Exposure to ETS during pregnancy | ||||||||||
| No | 34.9 | 1 | 1 | |||||||
| Yes | 65.1 | 1.20 | 1.18 | (1.05 to 1.31) | 7.4 | (2.3 to 12.2) | 1581 | 2142 | 18.3 | 81.7 |
| Paternal smoking | ||||||||||
| No | 68.8 | 1 | 1 | |||||||
| Yes | 31.2 | 1.17 | 1.08† | (0.96 to 1.21) | 1.8 | (−0.9 to 4.4) | N/A | N/A | N/A | N/A |
| Smoking by others | ||||||||||
| No | 85.8 | 1 | 1 | |||||||
| Yes | 14.2 | 1.27 | 1.18‡ | (1.01 to 1.37) | 1.7 | (0.1 to 3.3) | 364 | 492 | 18.3 | 81.7 |
| Exposure to ETS at home (by father and others) | ||||||||||
| No | 61.1 | 1 | 1 | |||||||
| Yes | 38.9 | 1.19 | 1.12 | (1.00 to 1.25) | 3.1 | (0.0 to 6.2) | 662 | 897 | 18.3 | 81.7 |
| Total number of smokers at home | ||||||||||
| None | 61.4 | 1 | 1 | |||||||
| 1 smoker | 30.7 | 1.13 | 1.07 | (0.95 to 1.20) | 1.4 | (−1.2 to 4.0) | N/A | N/A | N/A | N/A |
| ⩾2 smokers | 7.9 | 1.43 | 1.30 | (1.08 to 1.58) | 1.6 | (0.4 to 2.8) | 342 | 463 | 18.3 | 81.7 |