Table 3 Results from mediation models: total, direct and indirect (through 1-year change in dietary restraint) effects of the DPS intervention vs. control group on 9-year change in body weight.

From: Eating behavior dimensions and 9-year weight loss maintenance: a sub-study of the Finnish Diabetes prevention study

Independent

Dependent

Mediator (baseline – 1 year)

a path (p-value)

b path (p-value)

Direct effect c′ (p-value)

Indirect effect a × b

Bootstrap results of indirect effect 95% CI

Total effect c (a × b + c′) (p-value)

Group (Intervention group, Control group)

Change in body weight (kg, baseline–9 y)a

Cognitive restraint of eating, totalb,e

−2.874 (0.000)

−0.489 (0.008)

1.111 (0.455)

1.406

0.380, 3.194

2.517 (0.046)

Flexible restraintc,e

−0.722 (0.033)

−0.817 (0.057)

2.015 (0.127)

0.590

0.002, 2.064

2.606 (0.041)

Rigid restraintd,e

−0.988 (0.001)

−1.038 (0.008)

1.288 (0.354)

1.025

0.317, 2.298

2.313 (0.074)

  1. DPS the Diabetes Prevention Study.
  2. aPaths were controlled for age, sex and eating behavior and body weight baseline level (see Fig. 1 for paths a, b and c’).
  3. bChi-square = 3.890, df = 2, p = 0.143, CFI = 0.992, SRMR = 0.042.
  4. cChi-square = 1.334, df = 2, p = 0.513, CFI = 1.000, SRMR = 0.022.
  5. dChi-square = 2.893, df = 2, p = 0.235, CFI = 0.996, SRMR = 0.039.
  6. eScore of the Three Factor Eating Questionnaire subscale.
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