Research Article

Racial/Ethnic Differences in the Modifying Effect of Community Violence on the Association between Paternity Status and Preterm Birth

Table 1

Characteristics of study population by paternity status, Richmond, Virginia, 2004–2013.

Characteristics Total
N = 27,518
%
Paternity not established
N = 16,146
%
Paternity established
N = 11,372
%
Chi square

Individual-level characteristics
All participants10058.741.3<.0001
Age<.0001
 <197.411.81.2
 19–2433.547.214.0
 25–3446.535.162.8
 ≥3512.65.922.0
Race/ethnicity<.0001
 Non-Hispanic White31.39.762.6
 Non-Hispanic Black57.678.227.6
 Hispanic11.212.19.9
Education<.0001
 Less than high school24.735.49.7
 High school graduate27.739.411.3
 More than high school47.625.379.1
Insurance<.0001
 Private43.823.073.4
 Medicaid43.461.717.4
 Self-pay12.815.39.2
Tobacco user7.610.63.3<.0001
Alcohol drinking0.80.80.80.9617
Parity<.0001
 No previous live birth44.743.146.9
 1 prior live birth28.527.030.7
 2 live births14.915.913.5
 ≥3 live births11.914.09.0
Adequacy of prenatal care<.0001
 Inadequate/intermediate30.836.522.7
 Adequate44.841.249.9
 Adequate plus24.522.427.5
Previous preterm birth0.70.70.70.5951
Preterm birth10.812.88.0<.0001
Neighborhood-level characteristics
Community violence<.0001
 Quartile 134.724.948.6
 Quartile 217.920.015.0
 Quartile 330.133.225.7
 Quartile 417.321.810.8
Female-headed household, % [mean (SD)]41.9 (13.7)46.3 (9.6)35.6 (15.9)<.0001
Poverty, % [mean (SD)]25.3 (9.5)27.4 (7.7)22.4 (10.8)<.0001
Black, % [mean (SD)]56.5 (22.1)63.8 (14.5)46.1 (26.4)<.0001

square testing for differences between paternity statuses.
of prenatal care measured by Kotelchuck index.
1–4 indicate lowest to highest community violence rates.
-test for difference in mean between paternity statuses.