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Table 1 Summary of patient demographics in OB Nest and traditional care arms

From: OB Nest randomized controlled trial: a cost comparison of reduced visit compared to traditional prenatal care

Variable OB Nest
(n = 131)
Usual Care
(n = 130)
P-Value
Maternal Age, mean ± SD 29.6 (3.1) 29.9 (3.6) 0.451
Maternal Age ≥ 35, n (%) 6 (4.6%) 8 (6.2%) 0.572
Caucasian race, n (%) 118 (90.1%) 117 (90.0%) 0.982
Body mass index, mean ± SD 25.2 (5.3) 25.8 (6.8) 0.971
Body mass index > 30, n (%) 22 (16.8%) 23 (17.7%) 0.852
Gestational Age at Delivery (weeks) 39.8 (1.2) 39.7 (1.8) 0.771
Gestational Age < 37 Weeks 4 (3.1%) 3 (2.3%) > 0.993
Gestational age at first appointment 8.7 (1.4) 8.6 (1.3) 0.741
Gravida of 1, n (%) 41 (31.3%) 45 (34.6%) 0.572
Parity, n (%)    0.512
 0 53 (40.5%) 57 (43.8%)  
 1 47 (35.9%) 38 (29.2%)  
 2+ 31 (23.7%) 35 (26.9%)  
Past Cesarean Delivery, n (%) 8 (6.1%) 14 (10.8%) 0.182
Married/marriage-like relationship, n (%) 117 (89.3%) 115 (88.5%) 0.562
Education, n (%)    > 0.843
 High School graduate or less 3 (2.3%) 5 (4.0%)  
 Some college or associates degree 31 (24.2%) 27 (21.6%)  
 Four-year college graduate 55 (43.0%) 52 (41.6%)  
 Graduate/ professional school degree 39 (30.5%) 41 (32.8%)  
Missing 3 5  
Private Insurance, n (%)
Missing
120 (91.6%) 112 (86.2%) 0.162
Annual Household Income, n (%)    0.802
  < $40,000 16 (12.6%) 13 (10.5%)  
 $40,000 to $79,999 38 (29.9%) 41 (33.1%)  
  ≥ $80,000 73 (57.5%) 70 (56.5%)  
Missing 4 6  
Driving Distance** 3.0 (1.0, 12.3) 2.6 (1.0, 13.0) 0.494
  1. 1T-Test 2Chi-Square 3Fisher Exact Test 4Wilcoxon Rank sum