Table 1.

Data collection with caregivers and Health Promotion Hospital (HPH) staff

Sampling criteria	First-phase n semistructured interviews (translated to English)	Second-phase n semistructured interviews (translated to English)	Feedback focus group discussion
Carers of children with typical development (TD)	2 (1)	2 (1)
Carers of children who failed first screening and were not followed-up (NFU)	4 (2)	2 (1)	1
Carers of children who failed first screening who were followed-up (FU)	–	4 (1)
Health workers (HW)	2 (1)	3 (1)
Chief (C)	1 (1)	–
Total	9 (5)	11 (4)	1