Table 1.
Enrollment and retention of the cohorts.
| 2002 | 2005 | |
|---|---|---|
| Examined for eligibility (screened)a | 202 | 173 |
| Confirmed eligible | 150 | 159 |
| Included in the studyb | 150 | 158 |
| Completed follow-upc | 133 | 122 |
a
In 2002, 52 women were either < 20 years of age, smoked during pregnancy, or resided > 2 km from the site of the power plant. The number of ineligible women (same criteria) in 2005 was 13.
b
In 2005, one woman declined to be interviewed.
c
Loss to follow-up before child’s age 2 was attributed to work-related moves out of the county (17 women in 2002, 27 in 2005).