Statistical analyses
Completed surveys were extracted from Google Forms as an Excel sheet and
were then exported to Statistical Package for Social Sciences version
24.0 (SPSS Inc., Chicago, IL, USA) for the statistical analysis.
Descriptive statistics including percentages; means and frequency
distribution were calculated for each question. Descriptive and
univariate correlation analyses with the Pearson correlation coefficient
(r) were used for the correlation at the 5% significance level. Ap -value of <0.05 represents a significant difference.
Factors affecting knowledge score about food/beverage/herb-drug
interactions, were screened using simple and multiple linear regression.