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Table 3 Discrete-time event history model results

From: Body image mediates the depressive effects of weight gain in new mothers, particularly for women already obese: evidence from the Norwegian Mother and Child Cohort Study

  Model 1 Model 2 Model 3
  Odds Ratio 95 % C.I. p-value Odds ratio 95 % C.I. p-value Odds ratio 95 % C.I. p-value
Normal weight
 BMI change 1.037 (0.980; 1.098) 0.210 0.952 (0.898; 1.010) 0.104 0.755 (0.671; 0.849) <.0001
 Body image concern     1.395 (1.348; 1.443) <.0001 1.372 (1.326; 1.421) <.0001
 BMI change * Body image concern        1.128 (1.070; 1.189) <.0001
  -2 Log Likelihood 21188.81 20803.72 20783.46
  Person-time 42,300
Overweight
 BMI change 1.043 (0.956; 1.138) 0.344 0.997 (0.913; 1.089) 0.947 0.681 (0.519; 0.894) 0.006
 Body image concern     1.650 (1.525; 1.784) <.0001 1.644 (1.520; 1.778) <.0001
 BMI change * Body image concern        1.171 (1.053; 1.303) 0.004
  -2 Log Likelihood 6923.74 6749.73 6741.34
  Person-time 13,684
Obese
 BMI change 1.178 (1.053; 1.319) 0.004 1.163 (1.040; 1.302) 0.008 1.047 (0.903; 1.208) 0.808
 Body image concern     1.563 (1.380; 1.770) <.0001 1.561 (1.379; 1.768) <.0001
 BMI change * Body image concern        1.045 (0.903; 1.208) 0.557
  -2 Log Likelihood 3152.89 3099.47 3099.13
  Person-time 5656
  1. Note: C.I. stands for confidence intervals (Wald). The variables to measure social support, stress, exercise, health, education, income, age, and singleton or not are controlled for in each model but omitted