Abstract
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.
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.
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).
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.
| Original language | English |
|---|---|
| Pages (from-to) | S10-S16 |
| Journal | Journal of Epidemiology |
| Volume | 28 |
| DOIs | |
| Publication status | Published - 2018 Jan 1 |
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Keywords
- education
- household income
- obesity
- overweight
- socioeconomic status
ASJC Scopus subject areas
- Epidemiology
Cite this
Relationship Between Socioeconomic Status and the Prevalence of Underweight, Overweight or Obesity in a General Japanese Population : NIPPON DATA2010. / Nakamura, Tomiyo; Nakamura, Yasuyuki; Saitoh, Shigeyuki; Okamura, Tomonori; Yanagita, Masahiko; Yoshita, Katsushi; Kita, Yoshikuni; Murakami, Yoshitaka; Yokomichi, Hiroshi; Nishi, Nobuo; Okuda, Nagako; Kadota, Aya; Ohkubo, Takayoshi; Ueshima, Hirotsugu; Okayama, Akira; Miura, Katsuyuki.
In: Journal of Epidemiology, Vol. 28, 01.01.2018, p. S10-S16.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Relationship Between Socioeconomic Status and the Prevalence of Underweight, Overweight or Obesity in a General Japanese Population
T2 - NIPPON DATA2010
AU - Nakamura, Tomiyo
AU - Nakamura, Yasuyuki
AU - Saitoh, Shigeyuki
AU - Okamura, Tomonori
AU - Yanagita, Masahiko
AU - Yoshita, Katsushi
AU - Kita, Yoshikuni
AU - Murakami, Yoshitaka
AU - Yokomichi, Hiroshi
AU - Nishi, Nobuo
AU - Okuda, Nagako
AU - Kadota, Aya
AU - Ohkubo, Takayoshi
AU - Ueshima, Hirotsugu
AU - Okayama, Akira
AU - Miura, Katsuyuki
PY - 2018/1/1
Y1 - 2018/1/1
N2 - 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.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.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).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.
AB - 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.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.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).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.
KW - education
KW - household income
KW - obesity
KW - overweight
KW - socioeconomic status
UR - http://www.scopus.com/inward/record.url?scp=85049243226&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85049243226&partnerID=8YFLogxK
U2 - 10.2188/jea.JE20170249
DO - 10.2188/jea.JE20170249
M3 - Article
VL - 28
SP - S10-S16
JO - Journal of Epidemiology
JF - Journal of Epidemiology
SN - 0917-5040
ER -