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Table 2 Adherence to IFA at first visit (4th week) and second visit (8th week) analysed by intention to treat

From: The effect of blister packaging Iron and Folate on adherence to medication and hemoglobin levels among pregnant women at National Referral Hospital antenatal clinics in a low to middle income country: a Randomised Controlled Trial (The IFAd Trial)

Characteristics

IFA in blister packaging

n = 478

IFA in loose packaging

n = 474

First follow up visit or return visit (week 4)

 Participants who returned for first follow up visit

361

355

 Participants who returned within 30 days [n (%)]

250 (52.3)

242 (51.1)

 Balance of pills counted on first return visit [mean ± SD]

3.5 ± 3.9

3.5 ± 4.6

 100% adherence among participants on first return visit [n (%)]

194 (40.6)

185 (39.0)

 90% adherence among participants on first return visit [n (%)]

220 (46.4)

220 (46.0)

Second follow up visit (week 8)

 Participants who returned for followed up at second visit (8 week)

301 (60.3)

271 (55.3)

 Balance of pill count on second return visit [mean ± SD]

2.6 ± 3.3

2.9 ± 3.7

 100% adherence among participants on second return visit [n (%)]

248 (51.9)

222 (46.8)

 90% adherence among participants returning on second visit [n (%)]

286 (59.8)

268 (56.5)