Prevalence and correlates of objectively measured sedentary time among pregnant women in the UK
ISPAH ePoster Library. Wagnild J. 10/15/18; 225385; 180
Ms. Janelle Wagnild
Ms. Janelle Wagnild
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Abstract
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Abstract IntroductionWhile sedentary behaviour has been increasingly examined among the general population, the prevalence and correlates of sedentary behaviour during pregnancy are poorly understood. MethodsPregnant women recruited from two hospitals in the North East of England wore activPAL accelerometers continuously for seven days during the 20th week of pregnancy (second trimester). Those who provided at least four valid days of measurement (n=192) were included in analyses. ResultsOn average, participants spent 9.57 hours (SD=1.62) per day sedentary, which accounted for 65.2% of waking hours. Univariate analyses indicated that BMI (b=-2.65, p=0.04) and index of multiple deprivation (IMD) tertile (p<0.01 for trend) were significant predictors of sedentary time (minutes). However, in a multivariate model adjusting for age, BMI, and other factors, IMD tertile was the only significant predictor of sedentary time such that residing in a neighbourhood corresponding with the middle tertile was associated with significantly higher sedentary time (b=49.6, SE=19.2, p=0.01) compared to the most deprived tertile. While the least deprived tertile followed a similar pattern, this did not reach significance (b=30.4, SE=19.5, p=0.12). ConclusionIn this sample of pregnant women, sedentary time accounted for the majority of waking hours, and living in less-deprived areas was associated with higher sedentary time than residing in the most deprived IMD tertile. These findings are among the very first to describe an association between socioeconomic position and objectively measured sedentary time during pregnancy.
Abstract IntroductionWhile sedentary behaviour has been increasingly examined among the general population, the prevalence and correlates of sedentary behaviour during pregnancy are poorly understood. MethodsPregnant women recruited from two hospitals in the North East of England wore activPAL accelerometers continuously for seven days during the 20th week of pregnancy (second trimester). Those who provided at least four valid days of measurement (n=192) were included in analyses. ResultsOn average, participants spent 9.57 hours (SD=1.62) per day sedentary, which accounted for 65.2% of waking hours. Univariate analyses indicated that BMI (b=-2.65, p=0.04) and index of multiple deprivation (IMD) tertile (p<0.01 for trend) were significant predictors of sedentary time (minutes). However, in a multivariate model adjusting for age, BMI, and other factors, IMD tertile was the only significant predictor of sedentary time such that residing in a neighbourhood corresponding with the middle tertile was associated with significantly higher sedentary time (b=49.6, SE=19.2, p=0.01) compared to the most deprived tertile. While the least deprived tertile followed a similar pattern, this did not reach significance (b=30.4, SE=19.5, p=0.12). ConclusionIn this sample of pregnant women, sedentary time accounted for the majority of waking hours, and living in less-deprived areas was associated with higher sedentary time than residing in the most deprived IMD tertile. These findings are among the very first to describe an association between socioeconomic position and objectively measured sedentary time during pregnancy.
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