marginal significancep<0.10
Variables with marginal significance (p<0.10) in univariate analyses were entered into multivariable regression models as covariates, adjusting for children’s age, household registration, number of children, father’s age, father’s education, father’s occupation, mother’s age, mother’s education, mother’s occupation, primary caregiver, monthly household income, family structure and frequency of parenting and care activities.