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Table 5 Role of examined mediators in the relation between unintended pregnancy and maternal mental health

From: Impact of unintended pregnancy on maternal mental health: a causal analysis using follow up data of the Panel Study on Korean Children (PSKC)

 

PSM

IPTW

Depressive symptoms

OR1

OR2

% change

OR1

OR2

% change

1 year postpartum

1.19

1.10

47.4

1.15

1.05

66.7

2 years postpartum

0.95

0.93

NA

1.01

0.95

NA

Overall pregnancy intention

1.07

1.02

71.4

1.08

1.00

100.0

Parenting stress score

β1

β2

% change

β1

β2

% change

1 year postpartum

1.09

0.74

32.1

1.24

0.83

33.1

2 years postpartum

0.88

0.71

19.3

1.35

1.06

21.5

Overall pregnancy intention

0.96

0.71

26.0

1.25

0.91

27.2

  1. Note: mediators were marital conflict, fathers’ participation in childcare, and mothers’ knowledge of infant development.
  2. OR1: odds ratio in base model; OR2: odds ratio in model adjusted for mediating variables; β1: mean difference in base model; β2: mean difference in model adjusted for mediating variables.
  3. % change was calculated as (OR1-OR2)/(OR1-1)*100, or (β1-β2)/(β1)*100.