Table 2.

Pearson’s correlation coefficient (r) for study variables

	1	2	3	4	5	6	7	8	9	10
1. Age	–
2. Education	0.22*
3. Household income	0.23*	0.24*
4. Have partner/married	0.06*	0.14*	0.13*
5. Smoking in pregnancy	−0.18*	−0.29*	−0.16*	−0.23*
6. BMI	0.06*	− 0.19*	− 0.06*	− 0.05†	0.17*
7. Birth weight (g)	−0.0003	− 0.03	0.03	− 0.02	0.04†	0.25*
8. Gestation length	−0.05*	0.03	0.07*	−0.001	−0.04	0.01	0.56*
9. Verbal attack	0.05†	0.11*	0.12*	−0.02	−0.005	−0.05†	0.008	0.03
10. Physical attack	0.02	0.03	−0.02	−0.05*	0.03	0.04†	0.002	−0.05*	0.09*
11. Any unfair treatment	−0.005	0.06*	0.02	−0.06*	0.06*	0.006	0.02	−0.002	0.37*	0.13*

* = P < 0.05; † = P < 0.10