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Table 3 Weighted prevalence estimates for prevalence and severity of asthma, rhinitis, and eczemain overall and by sexa

From: Assessing the prevalence and severity of asthma, rhinitis, and eczema among schoolchildren (6–7 and 13–14 years old) in Khuzestan, Iran: a cross-sectional survey

Asthma symptoms

Girl (n = 3355)

Boy (n = 3989)

P-Valueb

Ever had wheezing

3.6

6.0

 < 0.001c

Wheezing in the last 12 months(current wheeze)

2.8

4.9

 < 0.001c

Number of attacks of wheezing in the last 12 months

None

0.0

0.2

 < 0.001 c

1–3 times

1.8

3.7

4–12 times

0.8

0.8

 > 12 times

0.2

0.2

 

Sleep disturbance due to wheezing in the last 12 months

None

1.0

1.8

 < 0.001 c

 < Once/week

1.1

2.2

 > Once/week

0.7

0.9

Wheezing limited speech to 1 or 2 words

1.0

1.5

 < 0.001 c

Asthma ever

2.0

2.7

 < 0.001 c

Wheezing occurring during or after exercise

2.1

3.6

 < 0.001 c

Dry night cough at night unrelated to cold/chest infection

3.9

5.8

 < 0.001 c

Rhinitis ever

3.8

6.3

 < 0.001 c

Rhinitis in the last 12 months

3.4

5.5

 < 0.001 c

Burning, itchy, watery eyes

2.5

3.6

 < 0.001 c

Rhinitis affected daily activities

Not at all

0.6

1.1

 < 0.001 c

A little

1.5

2.7

Moderate

1.1

1.1

A lot

0.3

0.6

Ever had hay fever

3.0

3.9

 < 0.001 c

Itchy rash ever

1.1

0.9

 < 0.001 c

itchy rash in the last 12 months

0.9

0.8

 < 0.001 c

Flexural rash

0.7

0.7

 < 0.001 c

Rash cleared completely

0.7

0.6

0.027 c

Child awakened by itchy rash in the last 12 months

Not at all

0.4

0.5

 < 0.001 c

 < Once/week

0.3

0.2

 > Once/week

0.1

0.1

Eczema ever

1.0

0.8

 < 0.001 c

  1. a Prevalence estimates were weighted using the bootstrap weights
  2. b χ2 test
  3. c P < 0.05