School-based malaria prevalence: informative systematic surveillance measure to assess epidemiological impact of malaria control interventions in the Democratic Republic of the Congo

Table 6 Adjusted prevalence ratios using log-binomial regression in a context of a generalized linear model

Parameter	Hypothetical test			Exp (B)	95% Wald confidence interval for Exp (B)
Parameter	Wald Chi-square	df	p value	Exp (B)	Lower	Upper
(Constante)	916.569	1	0.000	0.123	0.108	0.141
Rural	551.337	1	0.000	2.961	2.705	3.242
Urban				1
May	123.004	1	0.000	1.536	1.423	1.656
October				1
Male	46.229	1	0.000	1.296	1.203	1.397
Female				1
6–8 years of age	0.275	1	0.600	0.975	0.888
9–10 years of age	2.076	1	0.150	1.080	0.973	1.198
11–12 years of age				1
Presence of fever (≥ 37.5 °C)	7.811	1	0.005	1.243	1.067	1.447
Absence of fever (< 37.5 °C)				1
Survey year 2009	13.725	1	0.000	1.354	1.153	1.589
Survey year 2010	76.404	1	0.000	1.778	1.563	2.023
Survey year 2011	128.499	1	0.000	1.980	1.759	2.228
Survey year 2012	8.083	1	0.004	1.204	1.059	1.368
Survey year 2013	6.316	1	0.012	0.838	0.731	0.962
Survey year 2014				1
(Scale)

ISSN: 1475-2875