Characteristics of subject (boys, N = 125) 10th /11th y. o. 14th /15th y. o. P-value

Characteristics of subject (boys, N = 125) 10th /11th y. o. 14th /15th y. o. P-value

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Bone fragility is a major factor in frail locomotive syndrome. For this fundamental measure, it is important to understand the changes in puberty, where bone metabolism is most active.The subjects were 277 boys and girls who participated in the Iwaki Health Promotion Project from 2011 to 2015 in both the fifth grade (10th/11th y.o) and the third gr...

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... purpose of the study, the right to withdraw from the study at any point, the data management method including privacy data protection and data anonymity were thoroughly explained to all subjects, and written consents were obtained from either themselves or from their parents/carers. Tables 1 and 2) In boys, all items except body fat percentage was signi򙖀cantly increased (all P = 0.000), whereas in girls, all items were increased signi򙖀cantly (P = 0.000). Tables 3 and 4) No signi򙖀cant correlation was found between each related item and OSI in 10th /11th y. o.. On the other hand, there was a signi򙖀cant positive correlation between all related items and OSI in girls (height: P = 0.000, body fat percentage: P = 0.010, body muscle percentage: P = 0.000, and grip strength: P = 0.000). ...

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