Table 1.

Cross-sectional population survey of Plasmodium falciparum prevalence in samples of the refugee populations after the camps were fully established and before the longitudinal monitoring of the child cohorts^*

Largo (full shelter coverage)		% Positive	(No. pos/total)	OR	95% CI	AOR	95% CI	P
Treatment	UPS	58.2	(248/426)	1		1
	ITPS	48.9	(198/405)	0.68	(0.52, 0.90)	0.57	(0.41, 0.78)	0.001
Age group	< 5 y	73.8	(183/248)	1		1
	5–9 y	86.1	(105/122)	2.21	(1.23, 3.98)	2.21	(1.23, 3.98)	0.008
	10–14 y	69.7	(46/66)	0.87	(0.47, 1.58)	0.87	(0.48, 1.60)	0.66
	> 14 y	28.1	(110/391)	0.13	(0.09, 0.19)	0.13	(0.09, 0.19)	0.0001
Gender	Male	59.3	(192/324)	1		1
	Female	50.3	(254/505)	0.70	(0.53, 0.93)	1.01	(0.72, 1.40)	0.97
Tobanda (ceiling/roof coverage)		% positive	(No. pos/total)	OR	95% CI	AOR	95% CI	P
Treatment	UPS	44.4	(186/419)	1		1
	ITPS	46.9	(169/360)	1.11	(0.84, 1.47)	1.09	(0.80, 1.48)	0.59
Age group	< 5 y	56.5	(135/239)	1		1
	5–9 y	73.9	(105/142)	2.19	(1.39, 3.44)	2.27	(1.41, 3.67)	0.001
	10–14 y	59.4	(41/60)	1.13	(0.65, 1.94)	0.97	(0.55, 1.70)	0.92
	> 14 y	25.7	(100/389)	0.27	(0.19, 0.38)	0.24	(0.17, 0.35)	0.0001
Gender	Male	50.5	(151/229)	1		1
	Female	42.5	(229/539)	0.73	(0.55, 0.96)	0.96	(0.69, 1.33)	0.81

^*OR = odds ratio; CI = confidence interval; AOR = adjusted odds ratio; UPS = polyethylene sheeting; ITPS = insecticide-treated plastic sheeting.