Statistical analysis
Statistical analyses were performed using SPSS version 25.0 (IBM Corp., Armonk, NY). Data were reported as mean ± SD for continuous variables, and as counts and percentages for categorical variables. The two independent samples t-test was used for comparisons between groups. An analysis of covariance model was used to estimate differences in least square (LS) means with treatment (intervention versus control), and baseline values for the assessed variables as covariates. The LS means and between-group differences in LS means at three months were calculated for each variable along with the standard errors, 95% confidence intervals, and 