Table 1.
Initial Exposure Statusa | |||
---|---|---|---|
Exposed | Unexposed | Total | |
Selected | 1,492 | 1,704 | 3,196 |
Excluded During Enrollment | |||
Never located | 132 | 136 | 268 |
No response | 245 | 336 | 581 |
Ineligible or Deceased | 7 | 8 | 15 |
Refusal | 149 | 137 | 286 |
Returned Questionnaire | 959 | 1,087 | 2,046 |
% of selected | 64.3% | 63.8% | 64.0% |
% of located | 70.5% | 69.3% | 69.9% |
The exposure status of the women’s pregnancy losses and livebirths was later assessed. See text for details.