Variable | Assignment rules or explanation |
Caregiver’s education | Illiteracy, +1 |
Primary school, +2 | |
Junior high school, +3 | |
Senior high school and above, +4 | |
Caregiver’s age | Caregiver’s integer age |
Wealth Index | Numbers of accessories including phone (telephone or mobile), washing machine, refrigerator, TV set, access to internet |
Parent-child interaction | Six behaviours including read books to child, told stories, sang songs, took child outside the home, played with child, and named, counted or drew things to promote learning would form stimulus signals |
Numbers of books | Numbers of books children owned presently |
Score of ZSDS | Reversed score of caregiver’s depression assessed by ZSDS |
Modified ICFI | Breast feeding:
Feeding frequency:
|
Birth weight | Birth weight of child (medical records or parental report) |
Haemoglobin value for children | Haemoglobin value we tested |
Communication | Score of communication assessed by ASQ |
Gross motor | Score of gross motor assessed by ASQ |
Fine motor | Score of fine motor assessed by ASQ |
Problem-solving | Score of problem-solving assessed by ASQ |
Personal-social | Score of personal-social assessed by ASQ |
ASQ, Ages & Stages Questionnaires; ICFI, Infant and Child Feeding Index; ZSDS, Zung Self-rating Depression Scale.