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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