Table 4.

Differences in notification and hospitalization rates by gender and ethnicity. Values represent incidence rate ratios (95% confidence intervals) adjusted by year and age

	Male vs. Female		Māori vs. non-Māori
	Notifications	Hospitalizations	Notifications	Hospitalizations
Campylobacter	1.43 (1.35, 1.51)	1.51 (1.35, 1.69)	0.27 (0.25, 0.30)	0.60 (0.52, 0.70)
Cryptosporidium	1.16 (1.04, 1.30)	0.91 (0.73, 1.14)	0.34 (0.28, 0.41)	0.74 (0.54, 1.01)
ETEC	1.00 (0.90, 1.12)	0.88 (0.67, 1.15)	0.43 (0.36, 0.51)	0.98 (0.68, 1.41)
Giardia	1.25 (1.17, 1.33)	1.08 (0.83, 1.40)	0.31 (0.27, 0.34)	1.13 (0.82, 1.56)
Nontyphoidal Salmonella	1.11 (1.02, 1.20)	1.03 (0.88, 1.20)	0.37 (0.32, 0.42)	0.72 (0.59, 0.89)
Salmonella typhi	1.01 (0.74, 1.39)	1.03 (0.77, 1.37)	0.72 (0.27, 1.94)	1.24 (0.20, 7.55)
Shigella	1.04 (0.82, 1.31)	0.80 (0.61, 1.05)	0.80 (0.56, 1.12)	1.41 (0.95, 2.09)
Yersinia	1.25 (1.15, 1.35)	0.95 (0.76, 1.19)	0.34 (0.30, 0.39)	1.15 (0.83, 1.60)