TABLE 2.

Variation of selected bacterial and parasitic infection incidence rates (IR) according to year and sex of children between zero and four years of age in Quebec (1999 to 2006)

	Giardia(n=1648)		Salmonella(n=1570)		Campylobacter(n=1562)		All selected pathogens†(n=5068)
Male	Cases, n (n=857)	IR*	Cases, n (n=804)	IR*	Cases, n (n=899)	IR*	Cases, n (n=2705)	IR*
1999	114	54.1	92	44.0	92	43.9	316	161.6
2000	89	43.8	100	48.7	112	55.3	319	151.1
2001	86	44.0	103	52.2	108	54.8	315	140.8
2002	131	68.2	101	52.7	114	59.4	365	175.3
2003	120	63.1	99	52.2	96	50.5	333	158.8
2004	104	54.6	108	56.8	137	71.9	368	176.6
2005	114	59.0	102	53.4	132	69.5	365	173.3
2006	99	51.1	99	50.7	108	55.8	324	147.7
Global rates and 95% CI	54.6 (51.0–58.2)		51.2 (47.6–54.8)		57.6 (53.7–61.5)		172.4 (169.8–174.9)
Female	Cases, n (n=791)	IR*	Cases, n (n=766)	IR*	Cases, n (n=663)	IR*	Cases, n (n=2363)	IR*
1999	86	42.9	92	45.9	76	38.0	272	131.8
2000	90	46.3	81	42.3	82	42.7	271	130.2
2001	77	41.3	97	52.4	90	48.8	282	135.2
2002	130	71.7	112	61.6	77	41.9	335	158.3
2003	108	60.2	98	54.4	64	35.5	288	142.1
2004	107	59.3	95	52.4	85	47.0	305	144.3
2005	105	58.0	93	50.9	100	54.9	316	149.5
2006	88	47.2	98	52.9	89	48.2	294	134.9
Global rates and 95% CI	53.1 (49.5–56.7)		51.5 (47.9–55.1)		44.5 (40.0–48.1)		158.9 (156.3–161.5)

^*Per 100,000 children-years;

^†Including Giardia, Salmonella, Campylobacter, Escherichia coli, Cryptosporidium and Yersinia