Lifestyle differences among socioeconomic groups in urban and rural areas (mean comparison test).
t-test for comparing means between tertile 1 and tertile 3.b
Number of years of schooling successfully completed.c
Number of consultations over the last 12 months, obtained by interview. All types of providers were considered including medical and paramedical staff, and traditional healers (herbalist or fkih).d
Frequency of consumption obtained by interview. Figures range from 1 (every day) to 5 (never). The higher the value, the lower the frequency of consumption.