Background/Aims: Our objective was to assess associations between passive smoke exposure in various venues and serum carotenoid concentrations. Methods: CARDIA is an ongoing longitudinal study of the risk factors for subclinical and clinical cardiovascular disease. At baseline in 1985/1986, serum carotenoids were assayed and passive smoke exposure inside and outside of the home and diet were assessed by self-report. Our analytic sample consisted of 2,633 black and white non-smoking adults aged 18–30 years. Results: Greater total passive smoke exposure was associated with lower levels of the sum of the three provitamin A carotenoids, α-carotene, β-carotene, and β-cryptoxanthin (–0.048 nmol/l per hour of passive smoke exposure, p = 0.001), unassociated with lutein/zeaxanthin, and associated with higher levels of lycopene (0.027 nmol/l per hour of passive smoke exposure, p = 0.010) after adjustment for demographics, diet, lipid profile, and supplement use. Exposure in both home and non-home spaces was also associated with lower levels of the provitamin A carotenoid index. Conclusion: Cross-sectionally, in 1985/86, passive smoke exposure in various venues was associated with reduced levels of provitamin A serum carotenoids.

Keywords:
Carotenoids, Micronutrients, Occupational health, Passive smoking, Smoke exposure, Tobacco smoke pollution
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© 2010 S. Karger AG, Basel
2010
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