Table 3

Bayesian hierarchical multivariate regression model for haemoglobin levels

VariableMean Hb shift (g/l)95% BCI/SD
Baseline haemoglobin117.3(113.9, 120.5)
Sex (male)−1.53(−1.94, −1.13)
Age (in years)+1.08(+0.99, +1.17)
SES quintile (vs quintiles 2–4)
 Lowest−0.56(−1.14, +0.02)
 Highest0.25(−0.31, +0.86)
Med/high-intensity S. haematobium (>500 epg)−1.75(−2.92, −0.60)
Med/high-intensity hookworm (>100 epg)−1.03(−2.00, −0.02)
P. falciparum parasitaemic−3.00(−4.29, −1.68)
Med/high hookworm—P. falciparum coinfection−5.56(−8.64, −2.67)
Wasting in under 5s (vs <5% prevalence)
 5–15%−4.39(−6.56, −2.09)
 >15%−9.74(−12.16, −7.45)
School-feeding (SF) status:
 SF district—no programme in school−2.14(−4.76, +0.46)
 SF district—programme in school−2.78(−5.43, −0.21)
Random effect terms
 Individual σ2183.6(2.02)
 Spatial σ2 (school-level)29.5(7.93)
 Range of spatial correlation (km)194(99318)