Table 2 Dose-response relationship between ETS exposure and CHD mortality. Relative risk of spousal smoking related to CHD deaths among never smokers in CA CPS I [1], CPS II [82], and CPS I [40] and in the summary RR of the three studies.
From: Defending legitimate epidemiologic research: combating Lysenko pseudoscience
Spousal smoking | 1960–98 CA CPS I Age-adjusted RR (95% CI) | 1982–89 CPS II Fully-adjusted RR (95% CI) | 1960–72 CPS I Age-adjusted RR (95% CI) | Summmary 'Age-adjusted' RR (95% CI) |
|---|---|---|---|---|
| Â | Enstrom [1] (extracted from Tables 7 & 8) | Steenland [82](extracted from Table 2) | LeVois [40] (extracted from Table 4) | Enstrom + Steenland + LeVois |
Males | Â | Â | Â | Â |
Never | 1.00 | 1.00 | 1.00 | 1.00 |
Former | 0.94 (0.78–1.12) | 0.96 (0.83–1.11) | 0.95 (0.83–1.09) | 0.95 (0.87–1.04) |
current | Â | Â | Â | Â |
   1–19 cigs/day | 0.91* (0.78–1.06) | 1.33 (1.09–1.61) | 0.99 (0.89–1.09) | 1.02 (0.94–1.10) |
   20 cigs/day | 0.92 (0.74–1.15) | 1.17 (0.92–1.48) |  |  |
20+ cigs/day |  |  | 0.96* (0.83–1.11) | 1.02 (0.92–1.12) |
   21+ cigs/day | 1.20* (0.88–1.64) | 1.09 (0.77–1.53) |  |  |
Females | Â | Â | Â | Â |
Never | 1.00 | 1.00 | 1.00 | 1.00 |
Former | 1.02 (0.93–1.11) | 1.00 (0.88–1.13) | 0.99 (0.93–1.05) | 1.00 (0.95–1.05) |
Current | Â | Â | Â | Â |
   1–19 cigs/day | 1.07* (0.96–1.19) | 1.15 (0.90–1.48) | 1.04 (0.97–1.12) | 1.05 (0.99–1.12) |
   20 cigs/day | 1.04 (0.92–1.16) | 1.07 (0.83–1.40) |  |  |
20–39 cigs/day |  |  | 1.06 (0.98–1.15) | 1.04 (0.98–1.10) |
   21–39 cigs/day | 0.95 (0.80–1.12) | 0.99 (0.67–1.47) |  |  |
   40+ cigs/day | 0.83 (0.65–1.06) | 1.04 (0.67–1.61) | 0.95 (0.78–1.15) | 0.92 (0.79–1.06) |