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Table 3 Risk factor profile of imprisoned pregnant women

From: Risk factors for adverse perinatal outcomes in imprisoned pregnant women: a systematic review

Risk factor Number of women studied Number of studies Percentage of imprisoned pregnant women with identified risk factor
Single marital status 997 7 83.7
Non-white race 1042 10 66.7
Smoking 838 8 66.0
Educational level (not completed high school/ A levels) 529 6 54.4
Drug use 646 7 53.7
Inadequate prenatal care 704 6 30.5
Primiparity 944 8 26.7
Previous low birth weight infant 88 1 25.0
Alcohol use 363 4 19.8
Previous preterm delivery or mid-trimester loss 428 3 15.9
Maternal medical problem 100 2 11.0
Age over 40 233 1 2.6
Previous stillbirth or neonatal death 298 1 1.3