TABLE 2—

Aggregated Relative Infection and Hospitalization Ratios With 95% Confidence Intervals for FN and Non-FN Populations: Manitoba, Canada; Spring and Fall 2009

	Aged 0–4 Y		Aged 5–19 Y		Aged 20–49 Y		Aged ≥ 50 Y
Variable	FN, RR (CI)	Non-FN, RR (CI)	FN, RR (CI)	Non-FN, RR (CI)	FN, RR (CI)	Non-FN, RR (CI)	FN, RR (CI)	Non-FN, RR (CI)
Infection
First wave	9.76 (7.83, 11.81)	1.11 (0.83, 1.41)	4.40 (3.60, 5.25)	1.14 (1.00, 1.30)	3.24 (2.61, 3.91)	0.82 (0.74, 0.90)	2.49 (1.44, 3.67)	0.34 (0.28, 0.41)
Second wave	1.81 (1.25, 2.43)	1.62 (1.37, 1.86)	1.91 (1.51, 2.33)	2.03 (1.91, 2.16)	1.73 (1.40, 2.09)	0.91 (0.85, 0.97)	0.65 (0.26, 1.11)	0.28 (0.24, 0.32)
Hospitalization
First wave	21.62 (16.45, 27.27)	1.42 (0.80, 2.12)	3.72 (2.16, 5.49)	0.48 (0.26, 0.69)	6.38 (4.58, 8.19)	0.47 (0.33, 0.60)	5.43 (2.17, 8.69)	0.40 (0.27, 0.55)
Second wave	1.85 (0.00, 4.33)	1.86 (1.05, 2.79)	1.29 (0.26, 2.58)	0.94 (0.63, 1.29)	3.01 (1.51, 4.52)	0.88 (0.68, 1.07)	3.57 (0.71, 7.14)	0.74 (0.54, 0.95)

Note. CI = confidence interval; FN = First Nation; RR = relative ratio.