(2018) Note 13 to characterize the activity levels of Canadian workers across 10 occupational groups that represented skill level and type, using combined data from the nationally representative Canadian Health Measures Survey (CHMS). The present study aimed to apply and build upon the methods used by Steeves et al. (2018) also found that the high-activity occupational group contained more men, individuals with less than a high school education and individuals with lower incomes. Workers in the high-activity group engaged in more MVPA and took more steps than those in the intermediate- and low-activity groups. They found a strong association between occupational category and daily PA and SB levels. They condensed 22 occupational groups into three occupational PA categories based on total activity movement counts, MVPA and sedentary time measured by accelerometers. Note 13 This was an update to their earlier work Note 14 and is one of the only large and representative examinations of device-measured PA levels across occupational groups. Steeves et al.(2018) recently described accelerometer-measured PA and SB levels across occupational groups in the United States using data from the National Health and Nutrition Examination Survey 2005–2006. Note 12 To the researchers’ knowledge, no studies have examined both device-measured alongside self-reported, domain-specific measures of PA and SB for Canadian full-time workers. Note 10 In Canada, there are known differences between women and men regarding the types of occupations they undertake, Note 11 their roles as caregivers outside of work hours Note 11 and their occupational and leisure-time PA. Note 10 Although there has been an increase in the number of studies reporting on device-measured PA and SB by occupation, the majority have been conducted in smaller, non-representative samples, have focused on a single PA outcome and have neglected to describe gender differences. Note 10 In contrast, those in more physically demanding jobs ( e.g., labourers including agriculture workers, cleaners, construction workers, dry cleaners, farmers, freight mechanics) are some of the least sedentary, accumulate more steps per day, and spend more time engaged in light- and moderate-intensity PA. Note 10 Office- and desk-based workers have been found to obtain the lowest number of steps, the lowest amount of light-intensity PA, the most sedentary time but also the most MVPA (largely attributed to leisure time). Previous work based on device measures has identified that total and leisure-time steps, MVPA, and sedentary time differ by occupation. This is particularly troubling since higher-income countries such as Canada are experiencing a transition toward more sedentary occupations. Note 6 Since adults spend a large amount of their day at work (∼8 hours) and PA levels vary considerably between occupations, Note 7 PA and SB at work may have a significant influence on overall daily PA and SB levels. Note 5 A large proportion of Canadian adults are at increased risk for poor health outcomes as the majority (82.5%) do not meet PA guidelines (⋝150 minutes per week of MVPA in ⋝10-minute bouts) and are sedentary for much of the day (9.6 hours). Note 4 Available evidence suggests that large volumes (∼60 to 75 minutes per day) of walking or leisure/recreational moderate-to-vigorous intensity physical activity (MVPA) can offset the risks associated with prolonged sitting. Note 1 Note 2 There is also evidence that greater sedentary behaviour (SB) (waking behaviours while sitting, reclining and lying down Note 3) increases one’s risk for many of the same chronic diseases and for premature mortality. Regular physical activity (PA) is known to protect against several chronic conditions ( e.g., diabetes, cardiovascular disease, cancer) and premature all-cause mortality. For this article… Abstract Tables and figure
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