Table 4.

Relative risk (RR) of positive malaria test by age classes during the period of 1996-2010 with the age group 0-5y as the reference using a negative binomial model

	6-10y		11-15y		16-20y		21-30y		> 30y
	RR	95%CI	RR	95%CI	RR	95%CI	RR	95%CI	RR	95%CI
1996	0.82	[0.64; 1.03]	0.72	[0.57; 0.92]	0.35	[0.27; 0.45]	0.33	[0.26; 0.43]	0.39	[0.30; 0.50]
1997	0.96	[0.55; 1.68]	0.79	[0.45; 1.40]	0.41	[0.22; 0.76]	0.38	[0.21; 0.70]	0.38	[0.21; 0.68]
1998	1.11	[0.63; 1.94]	0.70	[0.39; 1.25]	0.40	[0.21; 0.74]	0.30	[0.16; 0.56]	0.30	[0.17; 0.54]
1999	1.31	[0.75; 2.30]	0.82	[0.46; 1.45]	0.35	[0.19; 0.66]	0.29	[0.16; 0.54]	0.30	[0.16; 0.53]
2000	0.98	[0.56; 1.71]	0.68	[0.38; 1.20]	0.59	[0.32; 1.08]	0.44	[0.24; 0.79]	0.21	[0.11; 0.37]
2001	0.94	[0.54; 1.64]	0.71	[0.40; 1.26]	0.38	[0.20; 0.70]	0.33	[0.18; 0.60]	0.35	[0.20; 0.63]
2002	1.07	[0.61; 1.89]	0.86	[0.48; 1.53]	0.56	[0.30; 1.03]	0.43	[0.23; 0.79]	0.43	[0.24; 0.77]
2003	1.11	[0.63; 1.94]	0.95	[0.53; 1.67]	0.59	[0.32; 1.10]	0.50	[0.28; 0.92]	0.55	[0.31; 0.98]
2004	0.94	[0.53; 1.68]	0.79	[0.44; 1.42]	0.47	[0.25; 0.88]	0.43	[0.23; 0.81]	0.47	[0.26; 0.85]
2005	1.03	[0.58; 1.83]	0.82	[0.46; 1.47]	0.55	[0.29; 1.02]	0.33	[0.18; 0.62]	0.35	[0.19; 0.63]
2006	0.83	[0.46; 1.51]	0.76	[0.41; 1.40]	0.86	[0.46; 1.63]	0.51	[0.27; 0.96]	0.62	[0.34; 1.14]
2007	1.25	[0.69; 2.26]	0.66	[0.36; 1.23]	0.75	[0.39; 1.44]	0.62	[0.33; 1.17]	0.62	[0.34; 1.16]
2008	1.58	[0.85; 2.95]	1.14	[0.60; 2.19]	1.13	[0.58; 2.24]	0.86	[0.44; 1.68]	1.29	[0.69; 2.42]
2009	1.57	[0.80; 3.08]	1.20	[0.60; 2.42]	0.97	[0.46; 2.03]	0.73	[0.35; 1.50]	0.98	[0.50; 1.91]
2010	2.61	[1.27; 5.39]	1.60	[0.74; 3.46]	2.03	[0.94; 4.39]	1.63	[0.77; 3.48]	1.96	[0.96; 4.01]