Table 1 Profile of study villages and characteristics of study cohort at enrolment

Villages

GMB

SBD, FMB, SJB

Setting

Semi-urban

Rural

Enrolled individuals

1154

249

Gender n (%), female

727 (62.9)

132 (53.0)

Age (years), median (IQR)

12 (6–30)

12 (7–27)

Age groups (years), n (%)

 < 5

202 (17.5)

41 (16.5)

 5–15

462 (40.0)

109 (43.8)

 > 15

490 (42.5)

99 (39.8)

Anaemia n (%)

 Mild (11.0–12.9 g/dl)

656 (56.9)

124 (50.2)

 Moderate (8.0–10.9 g/dl)

238 (20.6)

50 (20.2)

 Severe (< 8.0 g/dl)

4 (0.3)

4 (1.6)

Ethnic groups n (%)

 Bambara

11 (0.9)

–

 Fula

7 (0.6)

249 (100)

 Mandinka

17 (1.5)

–

 Sarahule

1,119 (97.0)

–