“…The following study covariates were used and selected based on previous studies, the PROGRESS framework [ 18 , 19 ], and data available in the ENSANUT-2018. For the assessment of inequalities, the variables used were age group (15 to 19 years, 20 to 29 years, 30 to 39, years, and 40 to 49 years) [ 7 , 9 , 20 ]; educational level (up to primary, secondary, higher) [ 6 , 7 ]; currently working (no, yes) [ 21 ]; ethnicity (“non-indigenous” for individuals who self-reported as afro-ecuatorian, white, mestizo, montubio, or others, and “indigenous” for those who self-reported as indigenous) [ 22 , 23 ]; and, area of residence (rural, urban). The following variables were used for the analysis of associated factors: age group (15 to 19 years, 20 to 29 years, 30 to 39, years, and 40 to 49 years) [ 7 , 9 , 20 ]; educational level (up to primary, secondary, higher) [ 21 ]; marital status (married, cohabiting) [ 10 ]; currently working (no, yes); parity (0 to 1, 2, 3 or more children) [ 24 , 25 ]; ethnicity (indigenous, non-indigenous) [ 23 ]; health insurance (yes, no) [ 26 ]; area of residence (rural, urban) [ 7 ]; region of residence (Highlands, Coast, Amazon, Island) [ 13 ]; and wealth quintile (“very poor”, “poor”, “medium”, “rich”, and “very rich”) [ 6 , 7 ].…”