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. 2021 Sep 23;21:648. doi: 10.1186/s12884-021-04097-6

Table 2.

Multiple Logistic regression model and Augmented Inverse-probability- weighted (AIPW) model for ARR and ARD of p-IPV on mothers’ perinatal wellbeing and infant health outcomes

A. Multiple Logistic regression model

Model 1: p-IPV victimization

ARR (95% CI)

Model 2: Prenatal mental health ARR (95% CI)

Model 3: Attitude about spanking

ARR (95% CI)

Model 4: Adverse birth outcomeARR (95% CI)
Individual factors
 Mother’s education (secondary vs. higher) 0.78 (0.41–1.46) 1.61 (0.82–3.19) 1.72 (0.96–3.10)**
 Father’s education (secondary vs. higher) 6.9 (1.63–29.20)** 2.79 (1.16–6.71)** 1.41 (0.99, 1.99)*
 Lack of prenatal care (Yes vs. No) 3.35 (1.80–6.23)**
 Combined forms of CM (Yes vs. No) 6.39 (1.69–24.23)***
 Unplanned pregnancy 1.32 (0.86–1.99)
 ACE score 1.07 (0.99–1.15)*
Interpersonal factors (Yes vs. No)
 Family disruption 1.471 (1.04–2.481) 2.08 (1.19, 3.62)*
 IPV witness as a child 2.13 (1.03–4.40)* 1.95 (0.95, 4.04)
 At least one form of p-IPV 1.94 (1.20–3.15)* 2.45 (1.42, 4.25)*
 Combined forms of IPV and CM 3.45 (1.40, 8.53)**
Structural factors (Yes vs. No)
 Lack of intergenerational closure 0.46 (0.23–0.89)* 1.27 (0.96–1.68)
 Lack of neighborhood cohesion 1.23 (0.96–1.56)
Fit indices
 Pseudo R2/ VIF 0.30/ 1.14 0.16/ 1.15 0.13/ 1.07 0.12/ 1.25
 Hosmer-Lemeshow chi2(8) 4.95 5.79 7.03 / 1.2 4.34
 AIC/BIC 96.67/114.66 166.93/ 184.91 157.14/ 175.12 160.65/ 174.45
 McFadden’s Adj R2/ Cragg & Uhler’s R2 0.20/ 0.39 0.25/ 0.09 0.06/ 0.199 0.05/ 0.19
B. Augmented Inverse-probability- weighted (IPW) model

Model 1: Risk of CM on p-IPV victimization

(Yes vs. No)

Model 2: Rik of p-IPV on prenatal mental health

(Yes vs. No)

Model 3: Risk of p-IPV on attitude about spanking

(Yes vs. No)

Model 4: Risk of p-IPV on adverse birth outcome

(Yes vs. No)

Adjusted risk difference (95%CI) 0.18 (0.09–0.27)*** 0.40 (0.16–0.64)*** 0.18 (−0.09–0.44) 0.77 (−2.60–4.15)

Note: * p < 0.05; ** p < 0.01; *** p < 0.001