Variation of physical activity and sleep by gender and age among the general adult population in Finland
ISPAH ePoster Library. Wennman H. 10/16/18; 225446; 357
Heini Wennman
Heini Wennman
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Abstract
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Abstract Introduction. Assessing physical activity over 24-h in large-scale population-based studies increases our understanding of people’s activity profiles. We examined gender and age variation in objectively assessed physical activity and sleep among adults in Finland.Methods. In the FinHealth 2017 Study, 940 participants aged 25-93 years wore an accelerometer (Actigraph GT9X Link) on the non-dominant wrist for 7 days. Physical activity information was extracted as vector magnitude counts per minute (VMcpm), divided into three levels, after excluding periods of sleep and non-wear. Sleep periods were based on wrist acceleration and diary information. Sufficient wear-time (≥10 hours) was found for 6 days or more in 95% of participants and data over 7 nights in 88%. Results. Women accumulated more high VMcpm than men. Dividing overall wear-time into low, moderate and intensive activity levels, the distribution in women was 68%, 25% and 7% and in men 74%, 22%, and 5%. In the age groups of 65-74 and 75+ the gender differences disappeared and the VMcpm were overall lower than in younger participants. The mean sleep period lengths showed little variation in the population. The longest sleep periods were observed in women aged 25-34 years (7.2 hours) and the shortest (6.5 hours) in men aged 45-54 and 75+ years.Conclusions. These results mirror previous large-scale observations using wrist-accelerometry. Whether the gender and age variation in activity output represent true differences in activity intensities and if it is reflected on health warrant further studying. External funding details Funding: Ministry of Culture and Education (OKM/72/626/2017).
Abstract Introduction. Assessing physical activity over 24-h in large-scale population-based studies increases our understanding of people’s activity profiles. We examined gender and age variation in objectively assessed physical activity and sleep among adults in Finland.Methods. In the FinHealth 2017 Study, 940 participants aged 25-93 years wore an accelerometer (Actigraph GT9X Link) on the non-dominant wrist for 7 days. Physical activity information was extracted as vector magnitude counts per minute (VMcpm), divided into three levels, after excluding periods of sleep and non-wear. Sleep periods were based on wrist acceleration and diary information. Sufficient wear-time (≥10 hours) was found for 6 days or more in 95% of participants and data over 7 nights in 88%. Results. Women accumulated more high VMcpm than men. Dividing overall wear-time into low, moderate and intensive activity levels, the distribution in women was 68%, 25% and 7% and in men 74%, 22%, and 5%. In the age groups of 65-74 and 75+ the gender differences disappeared and the VMcpm were overall lower than in younger participants. The mean sleep period lengths showed little variation in the population. The longest sleep periods were observed in women aged 25-34 years (7.2 hours) and the shortest (6.5 hours) in men aged 45-54 and 75+ years.Conclusions. These results mirror previous large-scale observations using wrist-accelerometry. Whether the gender and age variation in activity output represent true differences in activity intensities and if it is reflected on health warrant further studying. External funding details Funding: Ministry of Culture and Education (OKM/72/626/2017).
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