“…The most common process element was to ‘focus on equality, empowerment and measures of power-sharing’ (54%). 4 , 21 , 22 , 28 , 29 , 32–36 , 38–41 , 44 , 45 , 47–51 , 53 , 56 , 58 , 59 , 61 , 63 There were seven outcomes, with ‘health literacy promotion and behaviour change’ the most frequently reported (56%). 4 , 17 , 19–21 , 27–30 , 32 , 34–37 , 40 , 42–44 , 48 , 52–56 , 58 , 59 , 61 , 63 However, the vast majority of reviews did not provide sufficient access to quantifiable data to enable meaningful assessments and pooling of effects.…”