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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Environ Int. 2017 Jan 30;102:42–47. doi: 10.1016/j.envint.2016.12.011

Table 2.

Hazard ratios for incident diabetes per 6.7 ppb ozone with control for confounders and co-pollutants (4387 cases/453,221 person years).

Model HR (95% CI)
Basic modela 1.00 (0.88, 1.13)
Basic + 10% criteriab 1.18 (1.04, 1.34)
Basic + 10% criteria + PM2.5 1.20 (1.05, 1.37)
Basic + 10% criteria + NO2 1.13 (0.97, 1.31)
Basic + 10% criteria + PM2.5 + NO2 1.13 (0.97, 1.31)
a

Basic model contains age, period, and city.

b

Covariates that met the 10% criteria include smoking status (never, past, current b15 cigarettes/day, current ≥15 cigarettes/day), years of education (≤12, 13–15, 16,≥17), hours/week vigorous exercise (none, <5, ≥5), vegetable/fruit diet pattern (quintiles), meat/fried food diet pattern (quintiles), parental history of diabetes (yes, no), BMI (weight in kg/height in m2 in m as <25, 25–29, 30–34, 35–39, ≥40) neighborhood SES (continuous based on factor analysis of census data).