Figure 1. Relation between childhood abuse, intimate partner violence 12 months prior to pregnancy and stress-related sleep disturbance assessed by the Ford Insomnia Response to Stress Test (FIRST-S) during the first trimester of pregnancy (N=624).
Six women were excluded due to missing information on IPV 12 months prior to pregnancy (n=3) and the PHQ-8 (n=3).
Abbreviation: OR, odds ratio; IPV, intimate partner violence; PHQ-8, Patient Health Questionnaire β8
ORβ represents the OR for the mediated path.
All models adjust for maternal age (years) and ethnicity (Mestizo vs. other).
a P-value < 0.05
b Depression is defined as the PHQ-9 β₯10.