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Table 3 Results of mediation model examining effect of the intervention (baseline to 3 months) on ASI-12 and mental health outcomes at 3 months

From: Effect of a physical activity and sleep m-health intervention on a composite activity-sleep behaviour score and mental health: a mediation analysis of two randomised controlled trials

Outcome A (SE) B (SE) Direct (SE) C (SE) AB (SE)[95%CI]
Depressive Symptoms 2.99 (0.80)a −0.10 (0.03)a −0.25 (0.35) − 0.56 (0.35) −0.31 (0.12) [− 0.60,-0.11]
Anxiety Symptoms 3.01 (0.80)a −0.04 (0.02)a − 0.21 (0.22) −0.32 (0.22) − 0.11 (0.07) [− 0.27,-0.01]
Stress Symptoms 2.97 (0.80)a − 0.12 (0.02)a −0.26 (0.30) − 0.63 (0.31)a −0.37 (0.12) [− 0.65,-0.17]
QOL Physical Score 3.00 (0.80)a 0.02 (0.03) 0.28 (0.44) 0.36 (0.43) 0.07 (0.09) [−0.08,0.29]
QOL Mental Score 3.02 (0.80)a 0.17 (0.04)a 0.56 (0.57) 1.09 (0.57) 0.53 (0.20) [0.22,1.01]
Energy & Fatigue 3.01 (0.80)a 0.28 (0.07)a 1.15 (0.90) 2.00 (0.91)a 0.85 (0.33) [0.33,1.63]
  1. In all models a path adjusted for study (Synergy, REFRESH) and baseline value of mediator, b path adjusted for study (Synergy, REFRESH) and baseline value of mediator and outcome. a indicates p < 0.05