Table 2.

Crude and adjusted odds ratios for preterm birth by gentrification and stratified by race/ethnicity, New York City births 2008–2010

	Crude		Adjusted model 1
	OR	95 % CI	OR	95 % CI
Overall
Very high	1.09	0.92–1.28	0.96	0.87–1.06
High	1.08	0.89–1.31	0.96	0.85–1.07
Medium	0.96	0.78–1.18	0.95	0.85–1.06
Low	1.12	0.93–1.34	1.07	0.97–1.19
Very low	Ref
NH White
Very high	0.82	0.70–0.96	0.78	0.64–0.94
High	0.84	0.71–1.00	0.82	0.69–0.98
Medium	0.78	0.68–0.88	0.82	0.69–0.96
Low	0.88	0.75–1.03	0.89	0.76–1.04
Very low	Ref
NH Black
Very high	1.21	1.06–1.37	1.16	1.01–1.33
High	1.15	0.96–1.37	1.09	0.92–1.28
Medium	1.19	1.04–1.36	1.12	0.98–1.27
Low	1.19	1.06–1.34	1.15	1.01–1.30
Very low	Ref
Hispanic
Very high	1.19	1.07–1.32	1.02	0.91–1.16
High	1.07	0.92–1.24	0.97	0.84–1.12
Medium	1.1	0.97–1.25	1.03	0.91–1.17
Low	1.21	1.07–1.37	1.22	1.07–1.39
Very low	Ref
NH API
Very high	0.96	0.73–1.26	0.86	0.68–1.08
High	1.06	0.84–1.35	0.97	0.77–1.22
Medium	0.79	0.61–1.04	0.78	0.60–1.02
Low	0.99	0.81–1.21	0.97	0.78–1.21
Very low	Ref

Model adjusts for: maternal education, race/ethnicity, age, marital status, Medicaid status, 1990 MHI, and percent change in total population between 1990 and 2005/2009