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Table 3 Univariate analysis of covariables and their association with RDT positive status at monthly follow-up in active cohort of children under five

From: Incremental impact on malaria incidence following indoor residual spraying in a highly endemic area with high standard ITN access in Mozambique: results from a cluster‐randomized study

Variable Crude (95% Conf. Interval) p-value
IRR
Spray Status a 0.82 (0.79; 0.89)  < 0.0001
Cluster size
Small 1.00    < 0.0001
Medium 0.95 (0.89; 1.02)
Large 0.8 (0.75; 0.86)
Child gender b 0.95 (0.90; 1.01) 0.1077
Sibling tested positive c (n = 28,998, m = 1,534) 1.26 (1.18; 1.33)  < 0.0001
Head of household with any formal education c (n = 28,998, m = 1534) 1.04 (0.98; 1.10) 0.1752
Head of household farmer c (n = 28,998, m = 1,534) 0.98 (0.91; 1.06) 0.6856
Electricity in the household c (n = 28,998, m = 1,534) 1.05 (0.76; 1.44) 0.7696
Child with history of fever in the last 48 h c (n = 29,005, m = 1,536) 1.90 (1.83; 1.98)  < 0.0001
Participant slept under an ITN last night c (n = 27,479, m = 1,521) 0.78 (0.75; 0.81)  < 0.0001
Number of ITNs in household d (n = 23,175, m = 1,535) 0.91 (0.90; 0.92)  < 0.0001
Child age (in months) d 0.99 (0.99; 0.99)  < 0.0001
Km to nearest health facility d 1.01 (1.01; 1.02)  < 0.0001
  1. n = number of observations, m = number of subjects. (n = 29,020, m = 1,536), otherwise, specified. aCrude IRR for IRS vs. no-IRS cluster. bCrude IRR for Female vs. Male. cCrude IRR for Yes vs. No. dCrude IRR per unit increase. IRR incidence rate ratio
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