| First Survey | Second Survey | Third Survey | ||
| Caregivers | ||||
| Family members living together | ||||
| Exchange visits to grandparents' houses | ||||
| Awareness to the dwelling space | ||||
| Moving & extension to houses | ||||
| Dwelling type | ||||
| Parents | ||||
| Employment status | ||||
| Company size | ||||
| Occupation | ||||
| Status of taking child care leave | ||||
| Working time | ||||
| Commuting time | ||||
| Fathers working away home | ||||
| Educational background | ||||
| Share of childcare and house chores | ||||
| Fathers on their day off | ||||
| Eating habits | ||||
| Time to spend with children | ||||
| Smoking | ||||
| Income | ||||
| Monthly expenditure on child rearing | ||||
| Awareness of child rearing | ||||
| Advantages of having/rearing child(ren) | ||||
| Burdens of having/rearing child(ren) | ||||
| Concerns or worries about child rearing | ||||
| Whom to ask for advice in childcare | ||||
| Reason(s) not asking for advice | ||||
| How do you want your child(ren) to grow up? | ||||
| Breast milk | ||||
| About the subject child(ren) | ||||
| Rules about meals | ||||
| Concerns about children's eating behaviors | ||||
| Rules on giving snacks to children | ||||
| Wakeup time | ||||
| Bedtime | ||||
| Nap frequency | ||||
| Whom to play with | ||||
| Favorite forms of play | ||||
| Hours spent watching TV | ||||
| Usual play areas | ||||
| Friends to play with of their age in the neighborhood | ||||
| Paid lessons | ||||
| What the subject child(ren) can do now | ||||
| Illness and injuries | ||||
| Accidents | ||||
| Height and weight | ||||