821 people over 18 years of age, of both sexes, residing in Peru, the cities of Callao, La Libertad, Lambayeque and Metropolitan Lima were selected. Those under 18 years of age, residing outside of Pe
Characteristics of the respondents who completed both Wave 1 and Wave 2 of the survey and who completed the Wave 1 but were lost to follow in Wave 2 of the survey.a p-value for Chi-square test to comp