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Table 1 Description of suggestive symptoms of asthma in children/adolescents (n = 89) enrolled in the study

From: Asthma prevalence and risk factors among children and adolescents living around an industrial area: a cross-sectional study

Variable

No asthma cases

Asthma cases

  

N (%)

N (%)

Ever bronchial asthma*

No

67 (100)

15 (68.2)

Yes

0 (0)

7 (31.8)

Physical examination*

No

67 (100)

15 (68.2)

Yes

0 (0)

7 (31.8)

Drug treatment*

No

67 (100)

15 (68.2)

Yes

0 (0)

7 (31.8)

Wheezing or whistling in the chest at any time in the past

No

62 (92.5)

12 (54.5)

Yes

5 (7.5)

10 (45.5)

Wheezing or whistling in the chest in the past 12 months

No

61 (91.0)

15 (68.2)

Yes

6 (9.0)

7 (31.8)

Wheezing or whistling associated to cold or respiratory infections

No

62 (92.5)

21 (95.5)

Yes

5 (7.5)

1 (4.5)

In the past 12 months wheezing severe enough to limit speech to only one or two words at a time between breaths

No

67 (100)

21 (95.5)

Yes

0 (0)

1 (4.5)

In the past 12 months a dry cough at night apart from a cough associated with a cold or chest infections

No

65 (98.5)

7 (31.8)

Yes

1 (1.5)

15 (68.2)

Usually dry cough apart from cough associated with a cold or chest infections

No

57 (87.7)

11 (50.0)

Yes

8 (12.3)

11 (50.0)

Winter affecting cough frequency

No

61 (91.0)

18 (81.8)

Yes

6 (9.0)

4 (18.2)

Physical examination for cough

No

59 (88.1)

13 (59.1)

Yes

8 (11.9)

9 (40.9)

Breathing difficulties following physical exercises

No

59 (90.8)

16 (72.7)

(walking/climbing stairs)

Yes

6 (9.2)

6 (27.3)

Snoring during sleep

No

51 (76.1)

15 (68.2)

 

Yes

16 (23.9)

7 (31.8)

  1. Legend: *core questionnaire used to identify the “confirmed cases”.