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Table 4 Association between asthma and WC

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

Variables

Asthma confirmed by BHR

Previous asthma diagnosis

N

cases

OR (95% CI)

N

cases

OR (95% CI)

WC

1921

200

 

1921

284

 

normal

1300

141

1

1300

193

1

abnormal

621

59

0.96 (0.69 – 1.33)

621

91

1.32 (1.00 – 1.75)

Physical activity

1922

200

 

1922

284

 

Active

1113

97

1

1113

149

1

Inactive

809

103

1.16 (0.85 - 1.58)

801

135

1.35 (1.04 – 1.76)

Gender

1922

200

 

1922

284

 

Male

942

67

1

942

144

1

Female

980

133

2.16 (1.56 – 2.99)

980

140

0.84 (0.65 – 1.09)

Smoking habit

1922

200

 

1922

284

 

Non-smokers

1588

156

1

1588

234

1

Smokers

334

44

1.48 (1.02 – 2.14)

334

50

1.01 (0.72 - 1.41)

Schooling (years)

1922

200

 

1922

294

 

≥ 12

282

45

1

282

35

1

9-11

978

118

0.74 (0.51 – 1.09)

978

144

1.27 (0.85 – 1.90)

≤ 8

662

37

0.31 (0.19 – 0.49)

662

105

1.47 (0.97 – 2.23)

  1. N: number of subjects.
  2. cases: numbers of subjects with asthma in every category.
  3. CI: confidence interval.
  4. OR: odds ratio.
  5. WC: waist circumference.
  6. BHR: bronchial hyperresponsiveness.
  7. Analysis was adjusted for gender, socioeconomic level, smoking status and physical activities.
  8. Multivariate analysis.