Table 2 The association between waist circumference and poor asthma control using weighted logistic regression models

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