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Table 2 Unadjusted associations between potential predictors, covariates, and P. falciparum infection using a generalized linear mixed model

From: Net age, but not integrity, may be associated with decreased protection against Plasmodium falciparum infection in southern Malawi

  Number with Plasmodium infection (%) Crude OR (95% CI)
ITN integrity
 Good/fair 1032 (15) REFa
 Poor/bad 428 (15) 1.00 (0.89, 1.13)
ITN age
 0–2 years 1009 (15) REF
 2+ years 451 (15) 0.94 (0.83, 1.06)
Persons sharing an ITN
 1 or 2 559 (13) REF
 3 609 (16) 1.14 (0.94, 1.38)
 4+ 292 (19) 1.36 (1.10, 1.69)
Sex
 Male 597 (17) REF
 Female 862 (14) 0.85 (0.77, 0.94)
Age
 0–5 years 252 (12) REF
 5–15 years 621 (22) 2.14 (1.83, 2.51)
 > 15 years 581 (12) 1.05 (0.90, 1.23)
Eaves
 Open 538 (23) REF
 Closed 922 (13) 0.42 (0.35, 0.50)
Community infection prevalence
 < 6% 64 (3) REF
 6–9% 398 (9) 2.68 (2.05, 3.51)
 > 9% 998 (32) 13.37 (10.30, 17.34)
  1. aREF is the reference odds ratio of 1.00