Table 1 PICOS (Participants, interventions, comparisons, outcomes, study design)

Participants (P)

Adults aged 19–64 years with no eating disorders, no medication, non-smokers or light smokers and a body mass index ≥18 kg/m²

Interventions (I)

Overfeeding intervention (≥ 2 days) including at least one physical activity or sedentary parameter measurement

Comparisons (C)

Pre and post-overfeeding intervention

Outcomes (O)

Overfeeding, overeating, overnutrition, overnourishment, excessive eating, binge eating, physical activity, exercise, sports, sedentariness, physical inactivity

Study design (S)

Randomized control trials, non-randomized controlled trials and non-randomized non- controlled trials, prospective and observation