Analysis
Descriptive analyses were reported, chi-square or t-test were performed to comparing differences by different levels of visits. In addition, among those who had more than 2 valid visits, the time to achieve 5% weight loss and 10% weight loss was analyzed and displayed using Kaplan-Meier Analysis. Statistical estimates with a significance level at p<0.05 were reported. The data analysis for this paper was generated using SAS/STAT software 9.4. Copyright © SAS Institute Inc., Cary, NC, USA.