Modification of the excess risk of coronary heart disease due to smoking by seafood/fish intake

  • E. S. Eshak
  • , H. Iso
  • , K. Yamagishi
  • , Y. Kokubo
  • , I. Saito
  • , H. Yatsuya
  • , N. Sawada
  • , M. Inoue
  • , S. Tsugane
  • , M. Inoue
  • , T. Sobue
  • , T. Hanaoka
  • , J. Ogata
  • , S. Baba
  • , T. Mannami
  • , A. Okayama
  • , K. Miyakawa
  • , F. Saito
  • , A. Koizumi
  • , Y. Sano
  • I. Hashimoto, T. Ikuta, Y. Miyajima, N. Suzuki, S. Nagasawa, Y. Furusugi, N. Nagai, H. Sanada, Y. Hatayama, F. Kobayashi, H. Uchino, Y. Shirai, T. Kondo, R. Sasaki, Y. Watanabe, Y. Miyagawa, Y. Kobayashi, Y. Kishimoto, E. Takara, T. Fukuyama, M. Kinjo, M. Irei, H. Sakiyama, K. Imoto, H. Yazawa, T. Seo, A. Seiko, F. Ito, F. Shoji, A. Murata, K. Minato, K. Motegi, T. Fujieda, K. Matsui, T. Abe, M. Katagiri, M. Suzuki, M. Doi, A. Terao, Y. Ishikawa, T. Tagami, H. Sueta, H. Doi, M. Urata, N. Okamoto, F. Ide, H. Sakiyama, N. Onga, H. Takaesu, M. Uehara, F. Horii, I. Asano, H. Yamaguchi, K. Aoki, S. Maruyama, M. Ichii, M. Takano, Y. Tsubono, K. Suzuki, Y. Honda, S. Sakurai, M. Kabuto, M. Yamaguchi, Y. Matsumura, S. Sasaki, S. Watanabe, M. Akabane, T. Kadowaki, M. Noda, Y. Kawaguchi, Y. Takashima, K. Nakamura, S. Matsushima, S. Natsukawa, H. Shimizu, H. Sugimura, S. Tominaga, M. Iida, W. Ajiki, A. Ioka, S. Sato, E. Maruyama, M. Konishi, K. Okada, I. Saito, N. Yasuda, S. Kono

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Seafood/fish intake has been regarded as a protective factor for coronary heart disease (CHD), while smoking is a strong risk factor. To examine whether associations between smoking and risk of CHD are modified by seafood/fish intake, we studied 72,012 Japanese men and women aged 45-74 years who completed 2 food frequency questionnaires, 5 years apart, during the period 1995-2009. After 878,163 person-years of follow-up, 584 incident cases of CHD (101 fatal and 483 nonfatal), including 516 myocardial infarctions, were documented. There was a clear dose-response association between smoking and CHD risk among subjects with a low seafood/fish intake (<86 g/day) but not among those with a high seafood/fish intake (≥86 g/day). Compared with never smokers, the multivariable hazard ratios in light (1-19 cigarettes/day), moderate (20-29 cigarettes/day), and heavy (≥30 cigarettes/day) smokers were 2.39 (95% confidence interval (CI): 1.60, 3.56), 2.74 (95% CI: 1.90, 3.95), and 3.24 (95% CI: 2.12, 4.95), respectively, among low seafood/fish eaters and 1.13 (95% CI: 0.64, 1.99), 1.29 (95% CI: 0.95, 2.04), and 2.00 (95% CI: 1.18, 3.51), respectively, among high seafood/fish eaters. Compared with heavy smokers with a low seafood/fish intake, light smokers with a high seafood/fish intake had substantially reduced risk of CHD (hazard ratio = 0.57, 95% CI: 0.32, 0.98). High seafood/fish intake attenuated the positive association between smoking and risk of CHD.

Original languageEnglish
Pages (from-to)1173-1181
Number of pages9
JournalAmerican Journal of Epidemiology
Volume179
Issue number10
DOIs
Publication statusPublished - 15-05-2014

All Science Journal Classification (ASJC) codes

  • General Medicine

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