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Table 3 Use of asthma medication.

From: Adult asthma and traffic exposure at residential address, workplace address, and self-reported daily time outdoor in traffic: A two-stage case-control study

   

Asthma medication

   

No

Yes, when needed

Yes, regularly

Total

Asthmatic symptoms

NO

Count

2253

81

45

2379

  

%

94.7%

3.4%

1.9%

100.0%

 

YES

Count

68

185

200

453

  

%

15.0%

40.8%

44.2%

100.0%

  1. Of those who reported asthmatic symptoms last 12 months did 85% also report using asthma medication regularly or when needed.
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BMC Public Health

ISSN: 1471-2458

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