Association of physical activity in childhood and early adulthood with carotid artery elasticity 21 years later: the cardiovascular risk in Young Finns Study.

However, we have collected step data collected in adulthood in 2007 and have shown that we see similar highly significant correlations between questionnaire data and step data that have been reported in several other studies. 10 Additionally, we have demonstrated that physical activity measured with our questionnaire shows significant relations between repeated measurements in childhood, adolescence, and early adulthood.

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