AnalysisDescriptive statistics were performed for demographic characteristics, clinical variables and patient-reported psychological health. Telomere length was compared between physical activity groups using the independent samples t-test. Univariate linear regression analysis was performed to identify variables associated with TL. A series of univariate logistic regression was used to identify independent predictors of not engaging in physical activity. Covariates with P-values <0.10 in univariate analysis was carried forward to the respective multivariate model. Statistical tests were two-sided with P <0.05 indicating significance. All data were analyzed using STATA 12.0 (StataCorp, College Station, TX, USA). Given that our sample size was fixed at 392 and approximately 1/5 of our sample was inactive, we were powered to detect a statistically significant difference of 0.356 of the standard deviation between the inactive and active groups with a two-sided significance of 0.05, and 80% power.
การแปล กรุณารอสักครู่..
