Figure 1From: Association of behaviour change techniques with effectiveness of dietary interventions among adults of retirement age: a systematic review and meta-analysis of randomised controlled trials F and V intakes in 22 RCTs by the presence or absence of the `barrier identification/problem solving’ BCT. Mean differences and 95%CI are for fruit and vegetable (F and V) intakes in grams/day. Mean difference of Mean differences in F and V (95%CI) = 93 (48 to 137). BCT, behaviour change technique; CI, confidence interval; RCT, randomized controlled trial.Back to article page