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Table 1 Prevalence of the studied variables according to gender

From: Influence of asthma definition on the asthma-obesity relationship

Variables

Total (N = 1922)

Male (N = 942)

Female (N = 980)

p

 

n (%)

n (%)

n (%)

 

Asthma - confirmed by BHR*

   

< 0.001

No

1722 (89.6)

875 (92.9)

847 (86.4)

 

Yes

200 (10.4)

67 (7.1)

133 (13.6)

 

Asthma - previous diagnosis**

   

0.563

No

1638 (85.2)

798 (84.7)

840 (85.7)

 

Yes

284 (14.8)

144 (15.3)

140 (14.3)

 

BMI (kg/m 2 ) #

   

< 0.001

< 25.0

1224 (63.8)

532 (56.5)

692 (70.8)

 

25.0 - 29.9

464 (24.2)

287 (30.5)

177 (18.1)

 

≥ 30.0

231 (12.0)

122 (13.0)

109 (11.1)

 

WC

   

< 0.001

Normal

1300 (67.7)

600 (63.7)

700 (71.5)

 

Abnormal

621 (32.3)

342 (36.3)

279 (28.5)

 

WHR §

   

< 0.001

Normal (< 0.50)

1268 (66.0)

547 (58.0)

721 (73.7)

 

Abnormal (≥ 0.50)

652 (34.0)

395 (42.0)

257 (26.3)

 

Physical Activity

   

< 0.001

Active

1113 (57.9)

669 (71.0)

444 (45.3)

 

Inactive

809 (42.1)

273 (29.0)

536 (54.7)

 

Smoking habit

   

< 0.001

Non-smokers

1588 (82.6)

747 (79.3)

841 (85.8)

 

Smokers

334 (17.4)

195 (20.7)

139 (14.2)

 

Schooling (years)

   

0.060

< 8

282 (14.7)

146 (15.5)

136 (13.9)

 

8-11

978 (50.9)

496 (52.6)

482 (49.1)

 

≥ 12

662 (34.4)

300 (31.9)

362 (37.0)

 
  1. n: number in that category.
  2. BHR: bronchial hyperresponsiveness.
  3. BMI: body mass index.
  4. WC: waist circumference.
  5. WHR: waist-to-height ratio.
  6. * asthma defined by methacholine PC20 ≤ 4 mg/mL (BHR) and symptoms.
  7. ** asthma defined by self-report of a previous physician diagnosis.
  8. # two female subjects and one male subject did not have information about BMI.
  9. § two female subjects did not have information about the waist-to-height ratio.