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Table 1 Description of the control variables, extracted from CASEN 2017

From: Social determinants of malnutrition in Chilean children aged up to five

Variable name CASEN 2017 question Codification
Gender Male or female? Male = 1
Female = 0
Age ≤ 2 years How old is s/he? Inside the range = 1
Outside the range = 0
Age 2 ≤ 5 years How old is s/he? Inside the range = 1
Outside the range = 0
Nationality What is your nationality? Chilean = 1
Others = 0
Household educational level What was the highest educational level reached? Primary or secondary school =1 Technical or university = 0
Native ethnic groups Indigenous peoples. Do you belong to or are you a descendant of any of them? Yes = 1
No = 0
At home most of the time Where does the child spend the most number of hours? Home = 1
Other = 0
Kindergarten attendance Currently, does the child attend any educational institution, kindergarten, nursery school, or other non-conventional kindergarten program? Yes = 1
No = 0
Type of health insurance Which health insurance system do you belong to? Public = 1
Private = 0
Health problems In the last three months, did s/he have any health problem, illness, or accident? Yes = 1
No = 0
Well-child checkup What type of checkup did s/he undergo in the last three months? Well-child checkup. Yes = 1
No = 0
State supplementary feeding program For children aged 0 to 6 years, in the last three months, did s/he receive or withdraw, free of charge, food from the consultation room or hospital? Yes = 1
No = 0
Urban/rural residence The interviewer registered this according to the survey’s design. Urban = 1
Rural = 0
Great North Zone (1) Grouped by CASEN. Zone 1 includes regions formerly numbered as 1, 2, and 15. Inside the range = 1
Outside the range = 0
Little North Zone (2) Grouped by CASEN. Zone 2 includes regions formerly numbered as 3 and 4. Inside the range = 1
Outside the range = 0
Central Zone (3) Grouped by CASEN. Zone 3 includes regions formerly numbered as 5, 6, 7, 13, and 16. Inside the range = 1
Outside the range = 0
South Zone (4) Grouped by CASEN. Zone 4 includes regions formerly numbered as 8, 9, 10, and 14. Inside the range = 1
Outside the range = 0
Austral Zone (5) Grouped by CASEN. Zone 5 includes regions formerly numbered as 11 and 12. Inside the range = 1
Outside the range = 0
Quintile I Built and delivered by CASEN. Inside the range = 1
Outside the range = 0
Quintile II Built and delivered by CASEN. Inside the range = 1
Outside the range = 0
Quintile III Built and delivered by CASEN. Inside the range = 1
Outside the range = 0
Quintile IV Built and delivered by CASEN. Inside the range = 1
Outside the range = 0
Quintile V Built and delivered by CASEN. Inside the range = 1
Outside the range = 0