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Table 7 Relations between lung function and BMI (regression linear model) corrected for age, season and smoking habits

From: BMI can influence adult males’ and females’ airway hyperresponsiveness differently

 

All AHR subjects

Mild AHR

Moderate AHR

Severe AHR

Normal

 

Males

Females

Males

Females

Males

Females

Males

Females

Males

Females

 

β

p

β

p

β

p

β

p

 

p

β

p

β

p

β

p

β

p

β

p

FVC%

−0.062

0.110

−0.155

0.004

−0.091

0.200

−0.071

0.437

−0.229

0.022

−0.388

0.011

−0.006

0.938

−0.102

0.537

−0.027

0.712

−0.183

0.037

FEV 1 %

0.064

0.092

0.132

0.015

0.069

0.330

0.037

0.689

0.228

0.021

0.371

0.014

0.028

0.717

0.100

0.537

0.027

0.712

0.152

0.081

FEV 1 /FVC

−0.118

0.009

−0.173

0.01

−0.177

0.049

−0.094

0.416

−0.255

0.023

−0.451

0.017

−0.044

0.623

−0.066

0.733

−0.105

0.220

−0.206

0.062

Age

0.075

0.0001

0.122

0.0001

0.051

0.012

0.140

0.0001

0.098

0.0001

0.090

0.0001

0.065

0.002

0.114

0.0001

0.074

0.0001

0.128

0.0001

Seasons

0.042

0.551

0.050

0.613

0.229

0.167

−0.131

0.566

−0.037

0.820

0.294

0.155

−0.001

0.996

−0.277

0.193

0.032

0.757

0.100

0.541

Smoking

−0.345

0.074

−0.917

0.001

−0.743

0.093

−1.251

0.054

−0.055

0.893

−0.835

0.139

−0.516

0.289

−0.656

0.267

−0.338

0.248

−1.147

0.027

Constant

32.22

0.0001

37.27

0.0001

40.00

0.0001

31.40

0.004

43.61

0.0001

62.22

0.0001

24.65

0.002

27.30

0.120

30.47

0.0001

40.32

0.0001

  1. Subjects with AHR = PD20 < 3200 μg; Severe AHR = PD20 ≤ 200 μg; moderate AHR = PD20 > 200 and ≤ 800 μg; mild AHR = PD20 > 800 μg. Normal = subjects with normal reactivity (without PD20).