Table 1 Population Intervention Comparator Outcome Study Design (PICOS) table

P – Population

Young mothers (mothers aged 24 years or less) in high-income countries; infants 0–6 months

I – Intervention

Any intervention

C – Comparator

Any comparator (most commonly, Usual Care)

O – Outcome

Increasing exclusive breastfeeding rates

S – Study Design

Randomized Controlled Trials and Quasi Experimental designs (prospective with a control group)