Statistical analysis
REGRESSION, SECONDARY, RECRUITMENT
Chi-squared (χFor the primary outcome, ORs from logistic regression analysis were used to assess the difference in intention to participate for each pamphlet relative to the neutral pamphlet (A), both unadjusted and adjusted for all the pre-determined gathered sociodemographic data including the location of recruitment. For analysis, age was grouped into four categories: under 30, 31–45, 46–60 and over 60. For the secondary outcome, logistic regression analysis was used to obtain ORs and adjust for the distribution of the pamphlets in each group.The statistician was blinded to the group allocations during the whole process.A 