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Table 3 Descriptive statistics and regression results for intervention effect on primary and secondary outcomes in the per protocol analyses

From: A smartphone based attentive eating intervention for energy intake and weight loss: results from a randomised controlled trial

  Intervention group mean (SD) (n = 27) Control group mean (SD) (n = 45) B (95% CI) Beta p
Baseline
Weight at baseline (kg) 95.2 (22.2) 100.4 (17.8)    
Body fat at baseline (%) 41.5 (9.0) 40.3 (8.5)    
Self-reported energy intake at baseline (kcal) 1968.2 (646.6) 2042.6 (981.5)    
Taste-test energy intake at baseline (kcal) 121.3 (97.5) 106.4 (93.8)    
Primary outcomes
Weight change at 8 weeks (kg) − 1.2 (2.2) − 1.1 (3.0) − 0.3 (− 1.6, 1.1) −0.01 0.71
Self-reported energy intake change at 4 weeks (kcal) − 322.2 (513.6) − 406.8 (989.8) 27.3 (− 220.4, 275.0) 0.03 0.83
Self-reported energy intake change at 8 weeks (kcal) − 220.9 (681.7) − 300.0 (989.8) 25.7 (− 297.8, 349.2) 0.02 0.87
Taste-test energy intake change at 4 weeks (kcal) − 1.3 (75.5) 14.4 (85.6) −19.5 (−57.1, 18.2) −0.1 0.31
Taste-test energy intake change at 8 weeks (kcal) 38.6 (71.8) 12.3 (90.3) 29.6 (−8.6, 67.7) 0.1 0.13
Secondary outcomes
Weight change at 4 weeks (kg) −0.8 (1.2) −0.7 (2.0) − 0.2 (−1.0, 0.7) −0.004 0.69
Body fat change at 4 weeks (%) 0.2 (2.2) −0.5 (1.6) 0.7 (− 0.2, 1.6) 0.04 0.12
Body fat change at 8 weeks (%) − 0.2 (1.3) −0.4 (1.8) 0.1 (− 0.7, 0.9) 0.01 0.75