Skip to main content

Table 4 Multivariate-adjusted odds ratios for physician-diagnosed asthma

From: Higher body mass index may induce asthma among adolescents with pre-asthmatic symptoms: a prospective cohort study

Baseline characteristics

Boys

Girls

 

OR (95% CI)

p-value

OR (95% CI)

p-value

Model 1 *

    

BMI

    

Underweight

0.77 (0.49-1.19)

0.25

0.81 (0.50-1.29)

0.38

Normal

Reference

 

Reference

 

Overweight

1.02 (0.67-1.54)

0.93

1.11 (0.75-1.65)

0.60

Obese

1.02 (0.68-1.52)

0.92

1.75 (1.18-2.59)

0.01

Change in BMI (per unit of BMI increase in kg/m2)

during the follow-up

1.02 (0.91-1.14)

0.74

1.01 (0.90-1.14)

0.83

-2 Log Likelihood

1481.53

 

1473.71

 

Model 2 †

    

BMI

    

Underweight

0.76 (0.49-1.18)

0.22

0.79 (0.49-1.26)

0.28

Normal

Reference

 

Reference

 

Overweight

1.02 (0.67-1.55)

0.93

1.12 (0.76-1.67)

0.57

Obese

1.04 (0.69-1.56)

0.86

1.75 (1.18-2.61)

0.01

Change in BMI (per unit of BMI increase in kg/m2)

during the follow-up

1.02 (0.91-1.14)

0.73

1.01 (0.90-1.14)

0.82

-2 Log Likelihood

1480.04

 

1465.11

 
  1. BMI, body mass index.
  2. * Adjusted for significant covariates identified in univariate analysis, namely, breastfeeding, fungus/mould at home, parental history of asthma, and parent education along with age.
  3. † Further adjusted for exercise frequency, air condition usage, cigarette smoking, ETS, and pet ownership (full model with all covariates).