Table V.

Association between Indigenous status and preterm birth by birth year, singleton live births, Québec, 1981–2008

	HR (95% CI)a
	1981–1989	1990–1999	2000–2008
Language by type of areab
Rest of Québec
French/English	Referent	Referent	Referent
Inuit	2.00 (1.43–2.81)	1.77 (1.14–2.75)	1.94 (1.08–3.51)
First Nations	0.83 (0.68–1.02)	0.75 (0.60–0.94)	1.32 (1.03–1.70)
Inuit-inhabited
French/English	2.56 (1.59–4.12)	2.04 (1.38–3.01)	1.73 (1.29–2.32)
Inuit	1.39 (1.07–1.79)	1.25 (1.09–1.43)	1.22 (1.06–1.41)
First Nations-inhabited
French/English	0.99 (0.83–1.18)	1.09 (0.95–1.24)	0.92 (0.82–1.04)
First Nations	0.71 (0.61–0.84)	0.80 (0.70–0.90)	0.99 (0.88–1.11)

^aHazard ratio (HR) and 95% confidence interval (CI), adjusted for type of area, maternal age, education, marital status, and parity.

^bResults for “other” language category available upon request.