Table 1

Number of subjects by proxy/non-proxy, PCE-exposed/unexposed, and case/control status.


Non-Proxy Subjects
Proxy Subjects
Total Subjects

PCE-exposed
189
102
291
     Cases
101
54
155
     Controls
88
48
136
Unexposed
696
301
997
     Cases
360
157
517
     Controls
336
144
480
Total
885
403
1288
     Cases
461
211
672
     Controls
424
192
616

Vieira et al. Environmental Health: A Global Access Science Source 2005 4:3   doi:10.1186/1476-069X-4-3