Does the removal of the 10-minute bout requirement change the demographic and health profiles of Canadian adults who meets the physical activity recommendations?
Oral Presentation C7.2
DOI:
https://doi.org/10.14288/hfjc.v14i3.681Keywords:
Physical Activity, Guidelines, Accelerometry, Health, FitnessAbstract
Background: Recently, the Canadian adult physical activity (PA) recommendations of 150 minutes/week of moderate-to-vigorous intensity physical activity (MVPA) were revised, from requiring MVPA bouts of 10 minutes or more (bouted) to no bout requirement (non-bouted). Purpose: To assess whether there were differences in the socio-demographics, health and fitness status of Canadians who met the bouted and non-bouted PA recommendations. Methods: We used adult (18–79 years) data from two combined cycles of the Canadian Health Measures Survey (N=4733) to compare the proportions who met the PA recommendations using bouted and non-bouted accelerometer data. Differences in socio-demographics, health, and fitness measures (mental and general health, chronic conditions, body mass index [BMI], waist circumference, blood pressure, total cholesterol:HDL [TC:HDL], triglycerides, HbA1c, aerobic fitness, grip strength, sit-and-reach) were assessed using independent t-tests and chi-squares. For health and fitness measures, multivariate linear and logistic regressions controlling for age, sex, household education and smoking were conducted. Results: More adults met the PA recommendations using the non-bouted than the bouted requirement (43.2% vs. 17.0%). Characteristics of those who met the bouted and non-bouted recommendations were similar. Exceptions included a lower age group, higher grip strength, and a greater prevalence of unhealthy TC:HDL among those who met non-bouted recommendation compared to bouted. Conclusion: Although the removal of the 10-minute bout requirement increased the proportion of Canadian adults who met the PA recommendations, it did not result in substantial differences in socio-demographic and health characteristics. Results help to inform the transition in reporting for PA surveillance. Funding: None.
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Copyright (c) 2021 Stephanie A. Prince, Karen C. Roberts, Justin J. Lang, Gregory P. Butler, Rachel C. Colley
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