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Table 3 Mediation of child Obesity Protective Dietary Index scores post-intervention a

From: Mediators of improved child diet quality following a health promotion intervention: the Melbourne InFANT Program

Maternal mediators n α (95% CI) β (95% CI) c’ Indirect effect (c-c’) P-value for bias-corrected indirect effect % effect explained
Knowledge of child feeding messages 362 0.99 (0.59, 1.38)** 3.12 (0.90, 5.35)** 1.00 0.50 0.003 33%
Feeding practices          
  Use of pressure in feeding 371 -0.51 (-1.00, -0.02)** -2.16 (-4.35, 0.03)*     
  Use food as reward 374 -0.77 (-1.47, -0.07)** -3.69 (-6.10, -1.27)** 1.17* 0.33 0.016 22%
  Restriction 361 0.17 (-0.23, 0.56) -0.99 (-3.19, 1.21)     
  Intentional modelling of healthy eating 375 0.51 (0.01, 1.00)** 8.00 (2.69, 13.3)** 1.31** 0.19 0.082 12%
  Encourage balance and variety 375 0.39 (-2.08, 2.86) 2.31 (-2.48, 7.10)     
  Emotion regulation 362 0.14 (-0.22, 0.50) -5.58 (-6.83, -4.33)**     
  Covert control 362 0.15 (-0.25, 0.56) 2.85 (0.75, 4.95)**     
Self-efficacy          
  Confidence in promoting healthy foods 367 0.24 (-0.22, 0.69) 6.33 (2.16, 10.49)**     
  Confidence in limiting unhealthy foods 367 0.39 (-0.00, 0.78)* 3.00 (1.02, 4.97)**     
  Confidence in providing healthy eating settings 366 0.00 (-0.38, 0.38) 1.63 (-0.67, 3.92)     
Maternal diet          
  Fruit intake 359 0.29 (-0.33, 0.90) 1.33 (-1.19, 3.86)     
  Vegetable intake 359 0.11 (-0.32, 0.54) 1.34 (0.06, 2.62)**     
  Fruit variety 358 -0.10 (-0.46, 0.44) 0.95 (-0.29, 2.18)     
  Vegetable variety (with potato) 357 0.04 (-0.42, 0.50) 0.62 (-0.66, 1.89)     
  Non-core drink intake 358 -0.08 (-0.58, 0.43) -1.34 (-2.71, 0.03)*     
  Non-core sweets intake 357 -0.16 (-.054, 0.22) -1.57 (-2.77, -0.37)**     
  Non-core savory foods intake 357 0.21 (-0.24, 0.66) -1.35 (-2.69, 0.00)*     
  1. aAll analyses controlled for daily mean energy intake, child age at the first recall, maternal education level, maternal age at childbirth and clustering by parent group.
  2. *p <0.10, **p <0.05.