Fig. 4

Comparison of prevalence of SDD among children under different status of quality of care. a Comparison of prevalence of SDD among children with/without availability of children’s books. b Comparison of prevalence of SDD among children with/without availability of playthings. c Comparison of prevalence of SDD among children with/without support for learning. d Comparison of prevalence of SDD among children with/without father’s support for learning. e Comparison of prevalence of SDD among children with/without inadequate care. f Comparison of prevalence of SDD among children with poor/medium/good quality of care