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Association between body size phenotype and sleep duration: Korean National Health and Nutrition Examination Survey V (KNHANES V).
Metabolism. 2015 Mar; 64(3):460-6.M

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.

Authors+Show Affiliations

Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Biostatistical Consulting Unit, Soonchunhyang University Medical Center, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea.Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea. Electronic address: medica7@gmail.com.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

25573816

Citation

Ryu, Ja Young, et al. "Association Between Body Size Phenotype and Sleep Duration: Korean National Health and Nutrition Examination Survey V (KNHANES V)." Metabolism: Clinical and Experimental, vol. 64, no. 3, 2015, pp. 460-6.
Ryu JY, Lee JS, Hong HC, et al. Association between body size phenotype and sleep duration: Korean National Health and Nutrition Examination Survey V (KNHANES V). Metabolism. 2015;64(3):460-6.
Ryu, J. Y., Lee, J. S., Hong, H. C., Choi, H. Y., Yoo, H. J., Seo, J. A., Kim, S. G., Kim, N. H., Baik, S. H., Choi, D. S., & Choi, K. M. (2015). Association between body size phenotype and sleep duration: Korean National Health and Nutrition Examination Survey V (KNHANES V). Metabolism: Clinical and Experimental, 64(3), 460-6. https://doi.org/10.1016/j.metabol.2014.12.001
Ryu JY, et al. Association Between Body Size Phenotype and Sleep Duration: Korean National Health and Nutrition Examination Survey V (KNHANES V). Metabolism. 2015;64(3):460-6. PubMed PMID: 25573816.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association between body size phenotype and sleep duration: Korean National Health and Nutrition Examination Survey V (KNHANES V). 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, Y1 - 2014/12/17/ PY - 2014/09/03/received PY - 2014/11/20/revised PY - 2014/12/12/accepted PY - 2015/1/10/entrez PY - 2015/1/13/pubmed PY - 2015/3/31/medline KW - Body mass index KW - Body size phenotypes KW - Metabolic syndrome KW - Obesity KW - Sleep duration SP - 460 EP - 6 JF - Metabolism: clinical and experimental JO - Metabolism VL - 64 IS - 3 N2 - 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. SN - 1532-8600 UR - https://www.unboundmedicine.com/medline/citation/25573816/Association_between_body_size_phenotype_and_sleep_duration:_Korean_National_Health_and_Nutrition_Examination_Survey_V__KNHANES_V__ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0026-0495(14)00376-X DB - PRIME DP - Unbound Medicine ER -