Research Article

Interferon-γ and Interleukin-10 Responses during Clinical Malaria Episodes in Infants Aged 0–2 Years Prenatally Exposed to Plasmodium falciparum: Tanzanian Birth Cohort

Table 3

Effect of prenatal exposure to P. falciparum, gravidity, season of birth, parasite density, timing of malaria episodes, and birth weight on IL-10 and IFN-γ responses during clinical malaria episodes: Multiple linear regression model (MLRM).

FactorUnivariate analysisMultivariate analysis

IL-10Coefficient (95% CI)P valueCoefficient (95% CI)P value

IUE P. falciparum0.17 (0.050-0.288)0.0069.176 (3.11-15.20)0.004
Gravidity0.04 (-0.086-0.157)0.5585.722 (-0.023-11.468)0.063
Season of birth-0.04 (0.201-0.118)0.6040.401 (-6.575-7.378)0.909
Infant birth weight-0.035 (-0.185-0.116)0.6492.315 (-4.422-9.052)0.496
Parasite density3.41 (0.616-6.209)0.015-4.689 (-16.687-7.31)0.438
Timing to malaria episodes-1.205 (-7.088-4.675)0.684-1.846 (-4.382-2.581)0.739

IFN-

IUET P. falciparum-0.056 (-0.096- -0.016)0.007-90.92 (151.697- -30.1450.003
Gravidity-0.006 (-0.046-0.035)0.771-38.832 (-96.415-18.750)0.183
Season of birth-0.042 (-0.094-0.010)0.115-74.873 (-144.79-4.956)0.076
Infant birth weight0.023 (-0.026-0.073)0.03513.822 (-53.69-81.34)0.684
Parasite density0.06 (-0.015-0.027)0.58777.522 (-42.726-197.77)0.202
Timing to malaria episodes-0.008 (-0.020-0.004)0.197-12.651 (-23.32-7.762)0.235

IUE P. falciparum:in utero exposure to P. falciparum, SD: standard deviation, CI: confidence interval.