Table 2.

The association between waist circumference and poor asthma control using weighted logistic regression models

	Non-adjusted model		Minimally adjusted model		Fully adjusted model
	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)	P
Waist circumference (Per 5 cm)	1.07 (1.05, 1.09)	< 0.001	1.06 (1.04, 1.09)	< 0.001	1.06 (1.02, 1.10)	0.002
Categories
Q1	Reference		Reference		Reference
Q2	1.14 (0.90, 1.44)	0.276	1.12 (0.90, 1.40)	0.317	1.08 (0.87, 1.36)	0.482
Q3	1.48 (1.19, 1.85)	< 0.001	1.38 (1.06, 1.79)	0.017	1.20 (0.88, 1.63)	0.238
Q4	1.77 (1.43, 2.19)	< 0.001	1.58 (1.22, 2.03)	< 0.001	1.30 (0.92, 1.83)	0.138

Q1, 57.9–87.8 cm; Q2, 87.8–99.85 cm; Q3, 99.85–113.2 cm; Q4, 113.2–170.5 cm

Minimally adjusted model: We adjusted for age, gender, race/ethnicity, education levels, PIR levels, smoking status, and metabolic syndrome

Fully adjusted model: We adjusted for BMI-defined obesity, age, gender, race/ethnicity, education levels, PIR levels, smoking status, and metabolic syndrome

OR Odds ratio, CI Confidence interval