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Table 2 Distribution of maternal and infant characteristics by relationship type

From: Partner support in a cohort of African American families and its influence on pregnancy outcomes and prenatal health behaviors

  Married Unmarried, cohabitating Unmarried, non-cohabitating p-value
N = 78 N = 269 N = 366
Mean +/− Mean +/− Mean +/−  
Maternal age* 28.12 5.12 23.62 5.15 23.51 5.15 <.0001
Family Resources Scale* 44.34 15.17 45.07 13.40 49.29 15.99 0.0006
  n % n % n % p- value
High school education or equivalent*        0.01
   Yes 56 71.79 158 58.74 192 52.46  
   No 22 28.21 111 41.26 174 47.54  
Smoking statusa        0.55
   Yes 11 14.10 56 20.82 73 19.95  
   No 67 85.90 211 78.44 292 79.78  
   Unknown 0 0 2 0.74 1 0.27  
Drug use*        0.02
   Yes 7 8.97 28 10.41 63 17.21  
   No 71 91.03 241 89.59 303 82.79  
Welfare services*        0.0004
   Yes 18 23.08 134 49.81 178 48.63  
   No 56 71.79 122 45.35 176 48.09  
   Unknown 4 5.13 13 4.83 12 3.28  
Medicaid        0.12
   Yes 40 51.28 164 60.97 244 66.67  
   No 34 43.59 93 34.57 110 30.05  
   Unknown 4 5.13 12 4.46 12 3.28  
Physical abuse        0.48
   Yes 0 0 7 2.60 11 3.01  
   No 74 94.87 248 92.19 342 93.44  
   Unknown 4 5.13 14 5.20 13 3.55  
Emotional abuse        0.24
   Yes 8 10.26 44 16.36 59 16.12  
   No 65 83.33 192 71.38 259 70.77  
   Unknown 5 6.41 33 12.27 48 13.11  
Control/dominance        0.15
   Yes 9 11.54 54 20.07 63 17.21  
   No 64 82.05 182 67.66 255 69.67  
   Unknown 5 6.41 33 12.22 48 13.11  
Adequacy of prenatal care        0.71
   Adequate or adequate plus 29 37.18 82 30.48 98 26.78  
   Intermediate 7 8.97 28 10.41 38 10.38  
   Inadequate 25 32.05 92 34.20 136 37.16  
   Unknown 17 21.79 67 24.91 94 25.68  
Preterm        0.72
   Yes 14 17.95 41 15.24 64 17.49  
   No 64 82.05 228 84.76 302 82.51  
Low birth weight        0.59
   Yes 7 8.97 36 13.38 44 12.02  
   No 69 88.46 230 85.50 319 87.16  
   Unknown 2 2.56 3 1.12 3 0.82  
  1. abased on self-report of smoking in the 2nd trimester.
  2. *Statistically significant differences between relationship types.