Table 2. Study outcomes.

Outcome	Assessment measure
Primary outcome:
Tooth brushing for their child twice a day with toothpaste	Self-reported questionnaire adapted from existing questions used to evaluate other NSW Health programs [37].
Secondary outcomes:
Fluoride toothpaste use	Self-reported questionnaire adapted from existing questions used to evaluate other NSW Health programs [37].
Sugary drinks consumption to Australian guidelines	Self-reported questionnaire from cut-offs determined by current Australian guidelines [38] and adapted from existing questions used to evaluate other NSW Health programs [37].
Sugary foods consumption to WHO guidelines	Self-reported questionnaire from recommendations by the WHO guidelines on the consumption of sugars for the prevention of ECC [39] and adapted from existing questions used to evaluate other NSW Health programs [37].
Water consumption	Self-reported questionnaire adapted from existing questions used to evaluate other NSW Health programs [37].
Bedtime routines (milk before or during sleep)	Self-reported questionnaire adapted from existing questions used to evaluate other NSW Health programs [37].
Oral health self-efficacy	Self-reported questionnaire adapted from previous literature using the COM-B framework to measure Oral Health self-efficacy [40].