Table 2 Final regression model: regression coefficients, p-value, and odds ratio

Marital status

 Married

Reference

Reference

Reference

 Cohabiting

0.27

0.52

1.31 [0.57, 3.02]

 Single

−0.58

0.59

0.56 [0.07, 4.72]

Family support

 Very much supported

Reference

Reference

Reference

 Fairly supported

0.43

0.3

1.54 [0.68, 3.47]

 Not supported at all

0.34

0.43

1.41 [0.60, 3.28]

Pregnancy decision

 Always involved

Reference

Reference

Reference

 Involved sometimes

0.6

0.2

1.82 [0.73, 4.52]

 Never involved

1.38

0.06

3.97 [0.96, 16.45]

Pregnancy-related anxiety

0.31

<0.001

1.36 [1.23, 1.50]

Relationship with partner

 Very good

Reference

Reference

NA

 Fairly good

0.51

0.37

NA

 Poor

2.6

0.01

NA

SES

 High wealth tertile

Reference

Reference

NA

 Low to moderate wealth tertiles

−0.55

0.25

NA

Relationship with partner x SES interaction

 Very good relationship x high SES

NA

NA

Reference

 Very good relationship x low to moderate SES

NA

NA

0.58 [0.23,1.47]

 Fairly good relationship x high SES

NA

NA

1.66 [0.55, 5.02]

 Fairly good relationship x low to moderate SES

1.37

0.03

3.77 [1.30, 10.98]

 Poor relationship x high SES

NA

NA

13.48 [1.71, 106.31]^a

 Poor relationship x low to moderate SES

2.36

0.17

82.34 [4.47, 1516.60]^a