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Risk factors in pregnancy associated with infant maltreatment : A longitudinal study of the 1996 Florida birth cohort

Samuel S. Wu, PhD1, Chang-Xing Ma, PhD1, Randy L. Carter, PhD2, Jeffrey Roth, PhD3, Mario Ariet, PhD4, Edward A. Feaver, MDiv5, and Michael B. Resnick, EdD3. (1) Department of Statistics, University of Florida, PO Box 100212, Gainesville, FL 32610-0212, 352.392.8446, samwu@biostat.ufl.edu, (2) Department of Biostatistics, State University of New York, Buffalo, Farber Hall, Room 249, 3435 Main Street, Building 26, Buffalo, NY 14214-3000, (3) Department of Pediatrics, University of Florida, PO Box 100296, Gainesville, FL 32610-0296, (4) Department of Medicine, University of Florida, PO Box 100372, Gainesville, FL 32610-0372, (5) Chiles Center for Healthy Mothers and Babies, University of South Florida, 1310 Cross Creek Circle, Suite C, Tallahassee, FL 32301

Context: More than 1 million children each year are reported to be victims of abuse neglect, and threatened harm.

Objective: To identify risk factors during pregnancy that are associated with infant maltreatment.

Design and Setting: Longitudinal cohort study.

Participants: 189,055 mother-infant dyads in the 1996 Florida cohort.

Main Outcome Measure: Infant maltreatment was defined as a “verified” or “some indication” report of abuse, neglect, or threatened harm filed on a child between the age of three days and one year.

Results: 4,496 children (2.4%) of the 1996 birth cohort had documented instances of maltreatment before age one. Of fifteen biomedical and sociodemographic variables related to pregnant women, eleven were significantly associated with infant maltreatment. Relative risks (RR) in order of magnitude were: Medicaid beneficiary (RR, 3.1; 99% confidence interval [CI], 2.7-3.5); maternal education <HS (RR, 3.0; 99% CI, 2.6-3.4); smoking (RR, 2.7; 99% CI, 2.5-3.0); more than two siblings (RR, 2.4; 99% CI, 2.1-2.8); high score on Florida's Healthy Start prenatal risk screening instrument (RR, 2.2; 99% CI: 2.0-2.5); unmarried marital status (RR, 2.2; 99% CI, 2.0-2.4); infant born low birth weight (RR, 1.6; 99% CI, 1.4-1.8); maternal age <20 (RR, 1.6; 99% CI: 1.4-1.8); inadequate prenatal care (RR, 1.6; 99% CI, 1.4-1.7); interpregnancy interval <=15 months (RR, 1.4; 99% CI: 1.2-1.5).

Conclusions: Eleven biomedical and sociodemographic factors among pregnant women were found to be associated with an elevated risk for infant maltreatment. More attention needs to be directed at addressing pregnancy conditions that correlate with abusive and harmful treatment of infants.

Learning Objectives:

Keywords: Violence Prevention, Vulnerable Populations

Presenting author's disclosure statement:
I do not have any significant financial interest/arrangement or affiliation with any organization/institution whose products or services are being discussed in this session.

Using Data to Evaluate Risk of Violence Toward Mothers and Children in Target Populations

The 132nd Annual Meeting (November 6-10, 2004) of APHA