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Table 2 Summary statistics for the time period between the 18th month postpartum (time 1) and the 36th month postpartum (time 2)

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

  Normal weight (18.5 < BMI ≤ 25) Overweight (25 < BMI ≤ 30) Obese (30 < BMI)
  Mean S.D. Min. Max. Mean S.D. Min. Max. Mean S.D. Min. Max.
Transition to mild or more severe depressive symptoms (1/0)
 between time 1 and 2 0.06 0.25 0 1 0.06 0.24 0 1 0.07 0.26 0 1
Time-variant variables at Time 2
 BMI change 0.11 0.57 -3.98 6.94 0.07 0.65 -3.30 3.67 0.08 0.80 -4.35 3.64
 Body image concern 1.25 1.11 0 3 1.78 0.97 0 3 1.91 0.89 0 3
 Partner 20.35 4.22 0 25 20.28 4.27 0 25 20.08 4.31 1 25
 Talk rarely 0.01 0.09 0 1 0.01 0.10 0 1 0.01 0.10 0 1
 Talk occasionally 0.23 0.42 0 1 0.22 0.42 0 1 0.20 0.40 0 1
 Talk often 0.77 0.42 0 1 0.77 0.42 0 1 0.79 0.41 0 1
 Stress 0.43 0.50 0 1 0.50 0.50 0 1 0.54 0.50 0 1
 Exercise 1.44 0.97 0 5 1.49 0.97 0 5 1.45 1.01 0 5
Time-invariant variables at Time 0
 Health 0.93 1.12 0 10 1.03 1.19 0 8 1.17 1.28 0 8
 Higher education 0.74 0.44 0 1 0.67 0.47 0 1 0.57 0.50 0 1
 Low income 0.07 0.26 0 1 0.07 0.26 0 1 0.10 0.30 0 1
 Mid income 0.75 0.43 0 1 0.80 0.40 0 1 0.81 0.39 0 1
 High income 0.17 0.38 0 1 0.12 0.33 0 1 0.09 0.28 0 1
 Foreign-born 0.09 0.29 0 1 0.07 0.26 0 1 0.07 0.25 0 1
 In the 20s 0.37 0.48 0 1 0.36 0.48 0 1 0.37 0.48 0 1
 In the 30s 0.61 0.49 0 1 0.61 0.49 0 1 0.61 0.49 0 1
 In the 40s 0.02 0.14 0 1 0.03 0.16 0 1 0.03 0.16 0 1
 Twins or triplets 0.02 0.13 0 1 0.02 0.14 0 1 0.02 0.14 0 1
 Age 30.95 4.14 18 47 31.09 4.32 18 47 30.96 4.33 18 46
 N 14,961 4839 1925