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Chinese Journal of Evidence-Based Pediatrics ›› 2024, Vol. 19 ›› Issue (5): 366-371.DOI: 10.3969/j.issn.1673-5501.2024.05.009

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Association between healthy lifestyle behavior index and body composition of children and adolescents in Guangzhou:A cross-sectional survey

 

CHEN Miao1, LIANG Xiaotong1, CHENG Hong2, LIU Junting2, DENG Yuying1, HUANG Ziwei1, JI Jiting1, LONG Jiayi1, LIU Li1

 

CHEN Miao1, LIANG Xiaotong1, CHENG Hong2, LIU Junting2, DENG Yuying1, HUANG Ziwei1, JI Jiting1, LONG Jiayi1, LIU Li1

CHEN Miao1, LIANG Xiaotong1, CHENG Hong2, LIU Junting2, DENG Yuying1, HUANG Ziwei1, JI Jiting1, LONG Jiayi1, LIU Li1   

  1. 1 School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China; 2 Department of Epidemiology, Capital Institute of Pediatrics, Beijing 100020, China
  • Received:2024-10-25 Revised:2024-10-25 Online:2024-10-25 Published:2024-10-25
  • Contact: LIU Li

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Abstract: Background: The influencing factors of obesity phenotype were not yet entirely clear. Most existing studies focused on the association between single lifestyle behavior and obesity phenotype but lacking comprehensive investigation of lifestyle behaviors on obesity phenotype. Objective: To explore the association of the healthy lifestyle behavior index and its levels with obesity phenotypes in children and adolescents, and to provide a scientific basis for promoting healthy development of children and adolescents. Design: Crosssectional study. Methods: The questionnaire survey for lifestyle behavior was performed among a total of 8,222 children and adolescents in Guangzhou, and healthy lifestyle behavior index was constructed, and cardiovascular metabolic indexes were tested. The association of the healthy behavior index and its levels with obesity phenotype was analyzed using multivariate logistics regression. Main outcome measures: Obesity phenotypes were classified by combining weight and metabolic status as Metabolically Healthy Normal Weight (MHNW), Metabolically Unhealthy Normal Weight (MUNW), Metabolically Healthy Overweight (MHOW), Metabolically Unhealthy Overweight (MUOW), Metabolically Healthy Obesity (MHO), and Metabolically Unhealthy Obesity (MUO). Results: Each point increase in the lifestyle behavior index was associated with reduced risk of MUNW, MHOW, and MUO (ORs=0.95, 0.91, and 0.88, respectively, all P<0.05). Highlevel behavioral indices reduced the risk of MUNW, MHOW, and MUO by 18%, 29%, and 41%, respectively, compared to a lowlevel index (all P<0.05). Highlevel behavioral indices reduced the risk of MUO by 38% compared to MHO (P<0.05). Increase in healthy lifestyle behavior index was associated with lower risk of MUNW (OR=0.93, P<0.05) in boys and reduced risk of MHOW in girls (OR=0.88, P<0.05). When stratified by age, the highlevel behavioral indices reduced the risk of MUNW by 21% in the age group of 1218 years and MHOW by 41% in the age group of 611 years. Conclusion: The increased healthy lifestyle behavior index is associated with lower risk of MUNW, MHOW, and MUO. Additionally, these associations differ in sex and age.

Key words: Children and adolescents, Lifestyle behaviors, Obesity phenotypes