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Tobacco and Public Health - TCSC Indonesia

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Table 34.7 Cohort studies that reported results on Parkinson’s disease <strong>and</strong> smoking*<br />

Study Country Number Total number of subjects Gender Relative risk in current smokers<br />

of subjects with Parkinson’s disease compared to never-smokers (95% CI)<br />

Kahn 1959 USA ~250 000 40 Men 0.23 (not reported)<br />

Hammond 1966 USA ~1 million 123 Men <strong>and</strong> women 0.76 (age 45–64) <strong>and</strong> 0.80 (age 65–79)<br />

Hiryama 1985 Japan – – Men <strong>and</strong> women 0.57<br />

Doll et al. 1994 UK 34 439 152 Men 0.75 (not reported)<br />

Morens 1966 USA (Hawaii) 8006 92 Men 0.40 (0.26–0.61)<br />

Hernan et al. 2001 USA 51 529 92 Men 0.3 (0.1–0.8)<br />

121 700 102 Women 0.4 (0.2–0.7)<br />

*Adapted from Fratiglioni <strong>and</strong> Wang (2000), except Hernan (2001) (from which the results were obtained directly).

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