Table 2.

Univariate analysis of selected variables and risk of malaria, Mozambique (N = 706 patients)

Variable	Odds ratio (OR)	95% CI	P value
Age group (≥ 5 vs. < 5)	1.99	1.21–3.25	0.007
Documented fever at enrollment	2.16	1.31–3.58	0.003
Residence in Maputo City	1.30	0.56–3.02	0.537
History of travel (N = 645)	1.64	0.99–2.73	0.056
House close to water	1.63	0.79–3.37	0.187
Machamba at house	2.66	1.72–4.10	< 0.0001
HF stratum (Peri vs. urban)	1.51	0.74–3.07	0.260
HF stratum (Rural vs. urban)	2.90	1.54–5.48	0.001
Work on or trip to a machamba	2.04	1.25–3.34	0.005
Bednet at household	1.01	0.66–1.55	0.975
Bednet hung the previous night	0.98	0.63–1.51	0.920
Sleeping under a bednet the previous night	0.87	0.55–1.40	0.577
Sleeping under an ITN the previous night	1.03	0.63–1.69	0.895
IRS at house	0.89	0.65–1.22	0.463

^*CI = confidence interval; ITN = insecticide-treated bednets; IRS = indoor residual spraying; HF = health facility.