Seasonal patterns of malaria, genital infection, nutritional and iron status in non-pregnant and pregnant adolescents in Burkina Faso: a secondary analysis of trial data

Table 1 Data sources and sample sizes at assessment points

Outcome	Assessment points ^a	Assessments	Women	Mean ^b
Outcome	Assessment points ^a	N	N	Mean ^b
Malaria parasite +ve	ANC1, FIN	1287	1230	578 (44.9)
Antimalarial Px rate/year	Weekly visits	102,452 ^c	1897	2120 (2.1)
Antibiotic Px rate/year	Weekly visits	102,452 ^c	1897	1287 (1.3)
Abnormal vaginal flora +ve	Baseline, ANC1, FIN	2397	1683	505 (21.1)
Chorioamnionitis +ve	Delivery	181	181	80 (44.2)
BIS, mg/kg	Baseline, ANC1, FIN	2594	1757	5.5 (2.8–7.6)
Hepcidin, nmol/l	Baseline, ANC1, FIN	2923	1885	3.8 (1.6–8.7)
sTfR, μg/ml	Baseline, ANC1, FIN	2923	1881	6.2 (5.0–7.8)
Lf, μg/ml	ANC1, FIN	1048	999	9.85 (2.85–61.17)
CRP, mg/l	Baseline, ANC1, FIN	2926	1884	0.631 (0.224–1.937)
MUAC, cms	Baseline, ANC1, FIN	2956	1898	24.1 (22.9–25.4)
BMI, kg/m²	Baseline, ANC1, FIN	2956	1897	20.2 (19.0–21.6)

BIS Body iron stores, sTfR Serum transferrin receptor, Lf Vaginal lactoferrin, CRP C-reactive protein, BMI Body Mass Index, MUAC Mid-upper-arm-circumference, Px Prescription of drug
^aBaseline survey in non-pregnant women; end assessment survey in non-pregnant women (FIN)
First antenatal visit survey (ANC1) and weekly visits
^bN (%) dichotomous variables; median (IQR) for continuous variables; N (rate) for prescription (Px) rate
^cWeekly visits include some unscheduled visits

ISSN: 1471-2458