Health belief model for empowering parental toothbrushing and sugar intake control in reducing early childhood caries among young children—study protocol for a cluster randomized controlled trial

Table 1 The primary and secondary outcomes

Outcome		Elements
Outcome		Domain	Specific measurement	Specific metric	Method of aggregation	Time-points
Primary	Dental caries status	Caries	dmft/dmfs	Change from baseline	Mean	1 year; 2 years
Secondary	Brushing frequency	Oral health behavior	Twice daily or more Once daily 4 times or more weekly 2–3 times weekly Once or less weekly	Change from baseline	Proportion	1 year; 2 years
	Sugary snack/drink taking frequency	Oral health behavior	Twice daily or more Once daily 2–6 times weekly Once or less weekly Never	Change from baseline	Proportion	1 year; 2 years
	Dental plaque	Oral hygiene status	Visible Plaque Index (VPI)	Change from baseline	Mean	1 year; 2 years

ISSN: 1745-6215