Association between restrictive pulmonary disease and type 2 diabetes in Koreans: A cross-sectional study

Table 3 Odds ratios for pulmonary function according to the fasting glucose level by multivariate logistic regression analysis

	Pulmonary disease	Fasting glucose odds ratio (95%CI)
		IFG (100-125)	T2DM ( ≥ 126)
Model 1	RPD	1.453 (1.059-1.995)a	3.621 (2.316-5.663)b
	OPD	1.199 (0.888-1.619)	1.744 (1.164-2.614)a
Model 2	RPD	1.282 (0.939-1.749)	2.890 (1.810-4.616)b
	OPD	0.725 (0.518-1.014)	0.821 (0.525-1.284)
Model 3	RPD	1.074 (0.781-1.476)	2.316 (1.438-3.729)b
	OPD	0.699 (0.498-0.982)	0.796 (0.501-1.267)
Model 4	RPD	0.934 (0.638-1.369)	1.907 (1.110-3.277)a
	OPD	0.722 (0.512-1.019)	0.782 (0.484-1.263)

^aP < 0.01.

^bP < 0.001. Model 1: Crude; Model 2: Adjusted for age, sex; Model 3: Adjusted for variables in Model 2 + body mass index, waist circumference, smoking status; Model 4: Adjusted for variables in Model 3 + C-reactive protein, homeostasis model assessment-IR. Reference category: Individuals with normal. RPD: Restrictive pulmonary disease; OPD: Obstructive pulmonary disease; IFG: Impaired fasting glucose; T2DM: Type 2 diabetes mellitus.