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Interactions of physical activity and body mass index with age at menarche: A school-based sample of Chinese female adolescents.
Xing, Chao; Huang, Zhaohui; Li, Jie; Li, Ming; Xu, Laichao; Tao, Jianhua; Fu, Lijun; Fang, Yirong.
Afiliación
  • Xing C; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Huang Z; Anhui Provincial Family Planning Institute of Science and Technology, Hefei 230031, Anhui Province, China.
  • Li J; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Li M; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Xu L; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Tao J; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Fu L; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China.
  • Fang Y; Department of Infectious Disease, Shaoxing Center for Disease Control and Prevention, Shaoxing, China. Electronic address: fyr2015@126.com.
Eur J Obstet Gynecol Reprod Biol ; 218: 68-72, 2017 Nov.
Article en En | MEDLINE | ID: mdl-28950191
BACKGROUND: To test the independent and interactive associations of physical activity (PA) and body mass index (BMI) with age at menarche among Chinese adolescence. METHODS: We conducted a cross-sectional survey in two elementary schools in September 2015 in Shaoxing city, Zhejiang province, China. We used self-administered questionnaires to collect the information of the participators. Analyses were performed with logistic regression models, and the relative excess risk due to interaction (RERI), the attributable proportion because of the interaction (AP), and the synergy index (S) were used to evaluate the biological interaction. RESULTS: A total of 1530 middle school students from grade 1-3 were selected for this study, and we collected 1505 (98.366%) valid questionnaires for the last analyses. The mean age of menarche is 11.603 (SD=0.447)years. Students with overweight/obesity and without SMPA had the highest risks of early age of menarche (OR=3.507, 95%CI: 1.929-6.376) compared with women both with a normal BMI and with SMPA, and the RERI was 1.846 (95% CI: 0.415-4.107), meaning that there was positive interaction on the additive scale. CONCLUSION: Insufficient PA can significantly modify the association between obesity and early menarche risk. Therefore, the government and society should pay more attention to the promotion of PA throughout childhood and adolescence.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Menarquia / Ejercicio Físico / Índice de Masa Corporal / Obesidad Tipo de estudio: Etiology_studies / Observational_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Child / Female / Humans País/Región como asunto: Asia Idioma: En Revista: Eur J Obstet Gynecol Reprod Biol Año: 2017 Tipo del documento: Article País de afiliación: China Pais de publicación: Irlanda
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Menarquia / Ejercicio Físico / Índice de Masa Corporal / Obesidad Tipo de estudio: Etiology_studies / Observational_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Límite: Adolescent / Child / Female / Humans País/Región como asunto: Asia Idioma: En Revista: Eur J Obstet Gynecol Reprod Biol Año: 2017 Tipo del documento: Article País de afiliación: China Pais de publicación: Irlanda