Table 6.

Number and Percent Positive Exposure Status by Maternal Self-Report or Meconium Confirmation by Center and Birth Weight Group

CenterBirth WeightCocaineOpiateCocaine/Opiate
No. (%)
Wayne State University 501–1500 g37 (21.0)13 (7.4)43 (24.4)
1501–2500 g150 (26.5)30 (5.3)158 (27.9)
>2500 g174 (10.7)57 (3.5)209 (12.8)
Total361 (15.2)100 (4.2)410 (17.3)
University of Tennessee 501–1500 g27 (17.2)3 (1.9)29 (18.5)
1501–2500 g83 (18.7)5 (1.1)86 (19.3)
>2500 g107 (9.6)12 (1.1)115 (10.4)
Total217 (12.6)20 (1.2)230 (13.5)
University of Miami 501–1500 g8 (9.6)2 (2.4)9 (10.8)
1501–2500 g31 (12.3)1 (.4)31 (12.3)
>2500 g95 (5.6)6 (.4)97 (5.7)
Total134 (6.6)9 (.5)137 (6.7)
Brown University 501–1500 g7 (10.4)3 (4.5)9 (13.4)
1501–2500 g33 (13.2)18 (7.2)44 (17.6)
>2500 g57 (2.7)36 (1.7)85 (5.7)
Total97 (4.0)57 (2.3)138 (7.6)
Total 501–1500 g79 (16.4)21 (4.3)90 (18.6)
1501–2500 g297 (19.6)54 (3.6)319 (21.1)
>2500 g433 (6.6)111 (1.7)506 (7.8)
Total809 (9.5)186 (2.2)915 (10.7)