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Table 2 Prevalence of asthma, wheeze and bronchitic symptoms of the study participants

From: Household environmental tobacco smoke and risks of asthma, wheeze and bronchitic symptoms among children in Taiwan

 

Total

Boys

Girls

 

(n = 4982)

(n = 2404)

(n = 2578)

 

n

%

n

%

n

%

Asthma

      

   Ever asthma

369

7.5

195

8.2

174

6.8

   Active asthma

167

3.4

89

3.7

78

3.0

   Early-onset asthma*

237

4.9

123

5.3

114

4.6

   Late-onset asthma**

120

2.6

64

2.8

56

2.3

Treatments for asthma

      

   Medication use

122

2.5

65

2.7

57

2.2

   ER visit or hospitalization

59

1.3

25

1.1

34

1.4

Wheeze

      

   Ever wheeze

577

11.6

307

12.8

270

10.5

   Current wheeze

181

3.7

88

3.7

93

3.7

   Awakened at night

107

2.2

40

1.7

67

2.6

Bronchitic symptoms

      

   Brochitis

286

5.8

160

6.7

126

4.9

   Chronic cough

166

3.3

89

3.7

77

3.0

   Phlegm without cold

214

4.3

111

4.7

103

4.0

  1. Number of subjects does not add up to total N because of missing data.
  2. *Early-onset: asthma diagnosed ≦ 5 yr of age.
  3. **Late-onset: asthma diagnosed > 5 yr of age.