Table 3.

Logistic regression models for IPF with race, age, and sex as covariates. Individual models are for the sample as a whole and for each subgroup stratified on deciles of age.

Covariates	Model for sample as whole n=38,357,405 with IPF=251,058	Model for decedents 50y ≤ age < 60y n=3,607,782 with IPF=13,917	Model for decedents 60y ≤ age < 70y n=6,281,453 with IPF=38,181	Model for decedents 70y ≤ age < 80y n=10,686,749 with IPF=85,616	Model for decedents ≥ 80y n=17,781,421 with IPF=113,344
Ethnicity/Race
White	reference	reference	reference	reference	reference
Black	0.48 (0.47-0.49)	0.80 (0.77-0.84)	0.58 (0.56-0.61)	0.45 (0.43-0.46)	0.41 (0.40-0.43)
Hispanic	1.47 (1.44-1.49)	1.53 (1.44-1.63)	1.52 (1.46-1.58)	1.45 (1.41-1.50)	1.54 (1.50-1.58)
Other	1.29 (1.26-1.33)	1.18 (1.14-1.22)	1.31 (1.23-1.39)	1.33 (1.27-1.39)	1.31 (1.26-1.37)
Age	1.003 (1.003-1.004)	-	-	-	-
Female sex	0.80 (0.79-0.81)	1.18 (1.14-1.22)	0.91 (0.89-0.93)	0.82 (0.81-0.84)	0.79 (0.78-0.80)

Values are counts; OR = odds ratio, CI = confidence interval; IPF=idiopathic pulmonary fibrosis; White = non-Hispanic white; Black = non-Hispanic African American; Other = non-Hispanic of other racial category