Fig 1.
Overview of WIC ITFPS-2 site sampling process.
Fig 2.
Recruitment window lengths in weeks.
Table 1.
Recruitment and enrollment sample sizes: Target vs. actual.
Table 2.
Ratio of actual to expected enrolled sample size, by subgroup.
Fig 3.
Number of women approached for recruitment at the site vs. number of recruitment days.
Note: the “Yes” symbol indicates that subsampling for the supplemental sample was conducted throughout the recruitment period in the site; “No” indicates that the site’s recruitment period began after subsampling for the supplemental sample had been stopped; and “Mixed” indicates that the site’s recruitment period began with subsampling, but the change to stop subsampling was made during the recruitment period in the site.