Associations between self-rated health with cardiorespiratory fitness and obesity status among adolescent girls

Jorge Mota, Rute M Santos, Pedro Silva, Luisa Aires, Clarice Martins, Susana Vale
Journal of Physical Activity & Health 2012, 9 (3): 378-81

BACKGROUND: The main goal of this study was to analyze the associations between cardiorespiratory fitness (CRF) and body mass index (BMI) with self-rated health (SRH) of adolescent girls.

METHODS: This was a cross-sectional study of 533 adolescents girls, aged from 10 to 18 years old. CRF was predicted by maximal multistage 20-m shuttle-run test according to procedures described from FITNESSGRAM. Girls' obesity status was classified according to International Obesity Task Force and Self-rated health (SRH) was assessed by questionnaire.

RESULTS: The findings showed that among adolescent girls 23.2% had negative SRH. Girls who were classified as unfit were more likely to report negative SRH in both univariate logistic (OR: 3.05; CI: 1.91-4.87; P < .05) and multivariate (OR: 2.93; CI: 1.82-4.72; P < .05) regression analyses compared with their fit peers. Obese girls were more likely to report negative SRH (OR: 2.30; CI: 1.14-4.62; P < .05) compared with their normal-weight counterparts. However such association was lost in multivariate analyses suggesting an effect of CRF.

CONCLUSIONS: Negative perception of health was associated with lower CRF and weight status although such association it is mediated by CRF condition.

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