Propensity score analysis of psychological intimate partner violence and preterm birth
Metadatos
Mostrar el registro completo del ítemAutor
Martín De Las Heras, Stella; Saeed Khan, Khalid; Caño Aguilar, África; Luna Del Castillo, Juan De DiosEditorial
Nature
Fecha
2022-02-21Referencia bibliográfica
Martín-de-las-Heras, S... [et al.]. Propensity score analysis of psychological intimate partner violence and preterm birth. Sci Rep 12, 2942 (2022). [https://doi.org/10.1038/s41598-022-06990-2]
Patrocinador
Ministry of the Economy and Competitiveness of Spain FEM2016-79049-RResumen
Psychological intimate partner violence (IPV), a global public health problem, affects mothers
during pregnancy. We evaluated its relationship with preterm birth. We established a cohort of 779
consecutive mothers receiving antenatal care and giving birth in 15 public hospitals in Spain. Trained
midwives collected IPV data using the Index of Spouse Abuse validated in the Spanish language.
Preterm was defined as birth before 37 completed weeks of gestation. Gestational age was estimated
by early ultrasound. With multivariate logistic regression we estimated the relative association of IPV
with preterm birth as adjusted odds ratios (AOR), with 95% confidence intervals (CI). In propensity
score analysis, using weighting by inverse probability of exposure to IPV, the whole sample was used
for estimating the absolute difference in probability of preterm amongst offspring born to mothers
with and without IPV. Socio-demographic and other pregnancy characteristics served as covariates
in both analyses. Preterm occurred in 57 (7.3%) pregnancies. Psychological IPV, experienced by
151 (21%) mothers, was associated with preterm birth (11.9% vs 6.5%; AOR = 2.4; 95% CI = 1.1–5.0;
p = 0.01). The absolute preterm difference in psychological IPV compared to normal was 0.08 (95%
CI = 0.01–0.16; p = 0.04). The probability of preterm birth was 8% higher on average in women with
psychological IPV during pregnancy. As our analysis controlled for selection bias, our findings give
credence to a causal inference. Screening and management for psychological IPV during pregnancy is
an important step in antenatal care to prevent preterm birth.