Table 1 Population intervention comparator outcome study design (PICOS) table

P - Population

Fathers of healthy newborns who are engaged in various forms of oral feeding

I – Intervention

Both the experimental and control groups will receive routine treatment and standardized management. Additionally, the experimental group will receive various forms of support interventions from fathers

C – Comparator

Any comparator (most commonly, Usual Care)

O – Outcome

Exclusive breastfeeding rates were assessed at multiple time intervals and defined as no food or liquid other than breastmilk given to the infant in the last 24 h and included feeding expressed breast milk and undiluted drops or syrups consisting of vitamins, minerals, supplements, or medicines [4]

S - Study design

Randomized controlled trials (RCTs)