Relationship Between Socioeconomic Status and the Prevalence of Underweight, Overweight or Obesity in a General Japanese Population: NIPPON DATA2010
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- Nakamura Tomiyo
- Department of Food Science and Human Nutrition, Ryukoku University
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- Nakamura Yasuyuki
- Department of Food Science and Human Nutrition, Ryukoku University
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- Saitoh Shigeyuki
- School of Health Sciences, Sapporo Medical University
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- Okamura Tomonori
- Department of Preventive Medicine and Public Health, Keio University School of Medicine
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- Yanagita Masahiko
- Faculty of Health and Sports Science, Doshisha University
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- Yoshita Katsushi
- Department of Food and Human Health Science, Osaka City University Graduate School of Human Life Science
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- Kita Yoshikuni
- Faculty of Nursing Science, Tsuruga Nursing University
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- Murakami Yoshitaka
- Department of Medical Statistics, School of Medicine, Toho University
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- Yokomichi Hiroshi
- Department of Health Sciences, University of Yamanashi
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- Nishi Nobuo
- International Center for Nutrition and Information, National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition
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- Okuda Nagako
- Department of Health and Nutrition, University of Human Arts and Sciences
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- Kadota Aya
- Center for Epidemiologic Research in Asia, Shiga University of Medical Science Department of Public Health, Shiga University of Medical Science
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- Ohkubo Takayoshi
- Department of Hygiene and Public Health, Teikyo University School of Medicine
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- Ueshima Hirotsugu
- Center for Epidemiologic Research in Asia, Shiga University of Medical Science Department of Public Health, Shiga University of Medical Science
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- Okayama Akira
- Research Institute of Strategy for Prevention
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- Miura Katsuyuki
- Center for Epidemiologic Research in Asia, Shiga University of Medical Science Department of Public Health, Shiga University of Medical Science
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<p>Background: Socioeconomic status (SES) imbalances in developed and developing countries may result in individuals being overweight and obese. However, few studies have investigated this issue in Japan. We herein examined the relationship between SES and being underweight, overweight or obese according to sex and age groups (20–64 or ≥65 years) in Japan.</p><p>Methods: In 2010, we established a cohort of participants in the National Health and Nutrition Survey of Japan. We divided 2,491 participants (1,081 men and 1,410 women) according to the WHO definitions of underweight, overweight or obesity and performed multinomial logistic analyses using BMI <18.5 kg/m2 (underweight), BMI 25.0–29.9 kg/m2 (overweight), and BMI ≥30.0 kg/m2 (obese) versus BMI 18.5–24.9 kg/m2 (normal) as the outcome, with SES groups as the main explanatory variables.</p><p>Results: In adult men, a lower education level relative to a higher education level was inversely associated with obesity after adjustments for other SESs (odds ratio [OR] 0.41; 95% confidence interval [CI], 0.18–0.96). However, in adult women, lower education level was positively associated with being overweight and obese (OR 1.67; 95% CI, 1.07–2.49 for overweight and OR 2.66; 95% CI, 1.01–7.01 for obese). In adult women, a lower household income was positively associated with being overweight and obese (obese: OR 4.84; 95% CI, 1.36–17.18 for those with a household income <2 million JPY relative to those with ≥6 million JPY).</p><p>Conclusions: In adult women, a lower education level and lower household income were positively associated with being overweight or obese. In contrast, in adult men, a lower education level was inversely associated with obesity. Gender and age differences in SESs affect the prevalence of being overweight or obese.</p>
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ Ｅｐｉｄｅｍｉｏｌｏｇｙ
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Ｊｏｕｒｎａｌ ｏｆ Ｅｐｉｄｅｍｉｏｌｏｇｙ 28 (Supplement_III), S10-S16, 2018
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