Association between body size phenotype and sleep duration

Korean National Health and Nutrition Examination Survey v (KNHANES V)

Ja Young Ryu, Ji Sung Lee, Ho Cheol Hong, Hae Yoon Choi, Hye-Jin Yoo, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Sei-Hyun Baik, Dong Seop Choi, Kyung Mook Choi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Objective Recent studies reported the presence of unique subsets of body size phenotypes that are more susceptible or more resistant to the development of obesity-associated metabolic disorders, although the underlying mechanism is not yet fully elucidated. We investigated the association between body size phenotypes and sleep duration after adjusting potential confounding factors. Materials and methods We analyzed data from the Korean National Health and Nutrition Examination Survey V (KNHANES V), a nation-wide, population-based health survey including 9077 Korean adults. The average amount of sleep per night was categorized as: ≠6, 7, 8, and ≥ 9 h. Body size phenotypes were classified based on body mass index (BMI) and presence of metabolic syndrome; metabolically healthy and normal weight (MHNW), metabolically abnormal but normal weight (MANW), metabolically healthy but obese (MHO), and metabolically abnormal obese (MAO). Results According to sleep duration, there were significant differences in age, gender, BMI, waist circumference, and blood pressure (all P < 0.05). Multivariate analysis showed that obese groups (MHO and MAO) had significantly shorter sleep durations than non-obese groups (MHNW and MANW) (6.78 ± 0.04 vs. 6.93 ± 0.03, P < 0.001). Sleep duration was significantly different according to body size phenotype, irrespective of confounding factors, such as age, gender, smoking status, alcohol consumption, physical activity, income, and education (MHO; 6.73 ± 0.05, MAO; 6.82 ± 0.05, MHNW; 6.94 ± 0.04, and MANW; 6.91 ± 0.05; P < 0.001). Conclusion Sleep duration is independently associated with body size phenotype after adjusting for confounding factors in the Korean population.

Original languageEnglish
Pages (from-to)460-466
Number of pages7
JournalMetabolism: Clinical and Experimental
Volume64
Issue number3
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Nutrition Surveys
Body Size
Sleep
Phenotype
Weights and Measures
Body Mass Index
Physical Education and Training
Waist Circumference
Health Surveys
Alcohol Drinking
Population
Multivariate Analysis
Obesity
Smoking
Exercise
Blood Pressure

Keywords

  • Body mass index
  • Body size phenotypes
  • Metabolic syndrome
  • Obesity
  • Sleep duration

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Association between body size phenotype and sleep duration : Korean National Health and Nutrition Examination Survey v (KNHANES V). / Ryu, Ja Young; Lee, Ji Sung; Hong, Ho Cheol; Choi, Hae Yoon; Yoo, Hye-Jin; Seo, Ji A; Kim, Sin Gon; Kim, Nan Hee; Baik, Sei-Hyun; Choi, Dong Seop; Choi, Kyung Mook.

In: Metabolism: Clinical and Experimental, Vol. 64, No. 3, 01.01.2015, p. 460-466.

Research output: Contribution to journalArticle

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AU - Ryu, Ja Young

AU - Lee, Ji Sung

AU - Hong, Ho Cheol

AU - Choi, Hae Yoon

AU - Yoo, Hye-Jin

AU - Seo, Ji A

AU - Kim, Sin Gon

AU - Kim, Nan Hee

AU - Baik, Sei-Hyun

AU - Choi, Dong Seop

AU - Choi, Kyung Mook

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AB - Objective Recent studies reported the presence of unique subsets of body size phenotypes that are more susceptible or more resistant to the development of obesity-associated metabolic disorders, although the underlying mechanism is not yet fully elucidated. We investigated the association between body size phenotypes and sleep duration after adjusting potential confounding factors. Materials and methods We analyzed data from the Korean National Health and Nutrition Examination Survey V (KNHANES V), a nation-wide, population-based health survey including 9077 Korean adults. The average amount of sleep per night was categorized as: ≠6, 7, 8, and ≥ 9 h. Body size phenotypes were classified based on body mass index (BMI) and presence of metabolic syndrome; metabolically healthy and normal weight (MHNW), metabolically abnormal but normal weight (MANW), metabolically healthy but obese (MHO), and metabolically abnormal obese (MAO). Results According to sleep duration, there were significant differences in age, gender, BMI, waist circumference, and blood pressure (all P < 0.05). Multivariate analysis showed that obese groups (MHO and MAO) had significantly shorter sleep durations than non-obese groups (MHNW and MANW) (6.78 ± 0.04 vs. 6.93 ± 0.03, P < 0.001). Sleep duration was significantly different according to body size phenotype, irrespective of confounding factors, such as age, gender, smoking status, alcohol consumption, physical activity, income, and education (MHO; 6.73 ± 0.05, MAO; 6.82 ± 0.05, MHNW; 6.94 ± 0.04, and MANW; 6.91 ± 0.05; P < 0.001). Conclusion Sleep duration is independently associated with body size phenotype after adjusting for confounding factors in the Korean population.

KW - Body mass index

KW - Body size phenotypes

KW - Metabolic syndrome

KW - Obesity

KW - Sleep duration

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