A higher amount of daily physical activity, at any intensity level, and avoidance of sedentary time are associated with reduced cardiovascular disease risk in older people – according to a study published in BMCGeriatr.
] has been demonstrated, and also with double-labeled water on the wrist of their non-dominant hand. The activity monitor did not give feedback to the participants.
Daily averages of accelerometer-measured PA were calculated for each participant and classified into five activity levels using the limits set by the manufacturer. For the analysis, all activity with intensities between 1.00 and 1.99 MET was classified as ST, all activity with intensities between 2.00 and 3.49 MET as LPA, and all activity ≥ 3.50 MET was classified as MVPA.
The associations between MVPA, LPA, ST, and FRS were analyzed using the multivariable linear regression model. The models were built separately for MVPA, LPA and ST. Unstandardized regression coefficients and 95% confidence intervals were estimated per 10 min and per 30 min increases in MVPA, LPA and ST. Based on the results of the univariate analysis, the models were adjusted for AUDIT score, living status and monitor wear time .
The Cox proportional hazards regression model was used to reveal the associations between LPA, ST, and all-cause mortality for the whole study population. In the Cox regression models, all participants who were alive when the follow-up ended and who had no missing values were considered as censored . For the deaths, 28 events were included in the models. Hazard ratios and 95% CI were estimated per 10 min and per 30 min increases in LPA and ST.
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