Table 3.

Relative risk (RR) of positive malaria test by age classes during the period of 1997-2010 with respect to 1996 using a negative binomial model

	0-5y		6-10y		11-15y		16-20y		21-30y		> 30y
Year	RR	95%CI	RR	95%CI	RR	95%CI	RR	95%CI	RR	95%CI	RR	95%CI
1997	1.15	[0.91; 1.45]	1.35	[0.77; 2.35]	1.25	[0.71; 2.20]	1.35	[0.75; 2.44]	1.33	[0.74; 2.38]	1.13	[0.64; 1.99]
1998	0.68	[0.53; 0.86]	0.92	[0.52; 1.62]	0.65	[0.37; 1.17]	0.77	[0.42; 1.41]	0.62	[0.34; 1.13]	0.53	[0.29; 0.94]
1999	0.79	[0.62; 1.01]	1.28	[0.73; 2.24]	0.90	[0.51; 1.58]	0.80	[0.44; 1.47]	0.70	[0.39; 1.27]	0.60	[0.34; 1.08]
2000	1.05	[0.83; 1.33]	1.27	[0.72; 2.21]	0.99	[0.56; 1.74]	1.77	[0.99; 3.17]	1.38	[0.78; 2.47]	0.56	[0.31; 1.00]
2001	1.25	[0.98; 1.59]	1.44	[0.82; 2.52]	1.23	[0.70; 2.17]	1.36	[0.75; 2.46]	1.24	[0.69; 2.23]	1.13	[0.64; 2.00]
2002	0.59	[0.46; 0.75]	0.77	[0.43; 1.37]	0.69	[0.39; 1.24]	0.94	[0.51; 1.71]	0.76	[0.42; 1.39]	0.64	[0.36; 1.16]
2003	0.85	[0.67; 1.08]	1.16	[0.66; 2.03]	1.11	[0.63; 1.97]	1.45	[0.81; 2.62]	1.30	[0.72; 2.32]	1.21	[0.68; 2.14]
2004	0.50	[0.39; 0.64]	0.58	[0.32; 1.04]	0.55	[0.30; 0.99]	0.67	[0.36; 1.25]	0.66	[0.36; 1.21]	0.60	[0.33; 1.09]
2005	0.45	[0.35; 0.58]	0.57	[0.32; 1.02]	0.51	[0.28; 0.92]	0.70	[0.38; 1.30]	0.45	[0.24; 0.83]	0.40	[0.22; 0.73]
2006	0.25	[0.19; 0.33]	0.25	[0.14; 0.48]	0.26	[0.14; 0.50]	0.62	[0.32; 1.18]	0.38	[0.20; 0.73]	0.40	[0.21; 0.75]
2007	0.14	[0.11; 0.19]	0.22	[0.12; 0.42]	0.13	[0.07; 0.26]	0.31	[0.16; 0.61]	0.27	[0.14; 0.53]	0.23	[0.12; 0.45]
2008	0.10	[0.07; 0.14]	0.19	[0.10; 0.39]	0.16	[0.08; 0.32]	0.32	[0.16; 0.67]	0.26	[0.13; 0.53]	0.33	[0.17; 0.66]
2009	0.05	[0.04; 0.07]	0.10	[0.04; 0.22]	0.09	[0.04; 0.19]	0.14	[0.06; 0.33]	0.11	[0.05; 0.26]	0.13	[0.06; 0.28]
2010	0.03	[0.02; 0.04]	0.09	[0.04; 0.23]	0.06	[0.02; 0.17]	0.17	[0.07; 0.43]	0.14	[0.06; 0.36]	0.15	[0.06; 0.36]