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Table 2 Percent distributions of asthma symptoms and health services use at baseline and 12-month follow-up by smoking status

From: Results from a community-based program evaluating the effect of changing smoking status on asthma symptom control

 

Baseline

12-Month Follow-up

Smokers

Ex-Smokers

p-value

Non-Smokers

New Smokers

p-value

Smokers

Ex-Smokers

p-value

Non-Smokers

New Smokers

p-value

Number of Patients

122

15

 

366

16

 

122

15

 

366

16

 

Health Status

 Fair-Poor Health rating

43.7

28.6

 

72.7

53.3

 

35.5

13.3

 

16.4

31.3

 

 Less active

45.1

33.3

 

62.3

56.3

 

42.6

33.3

 

25.3

31.3

 

Asthma Control

Symptoms (last 4 weeks)

 Wheeze

80.3

80.0

 

63.8

87.5

 

66.4

33.3

*

48.9

81.3

*

 Shortness of Breath

82.0

66.7

 

76.8

93.8

 

63.9

53.3

 

60.4

75.0

 

 Chest Tightness

77.1

53.3

 

68.0

81.3

 

60.7

13.3

**

50.3

62.5

 

 Cough

85.3

73.3

 

68.6

75.0

 

78.7

66.7

 

56.9

62.5

 

 Night-time Symptoms

72.7

66.7

 

61.7

75.0

 

54.1

13.3

*

40.2

68.8

*

 Day-time Symptoms

96.7

93.3

 

90.7

93.8

 

90.2

80.0

 

80.3

100.0

 

 > 1 Asthma Attack in Last 6 months

81.7

61.5

 

79.3

76.9

 

63.9

33.3

 

56.6

60.0

 

Acute Health Services Use (last 6 months)

 Any Urgent Visit

12.3

33.3

*

18.0

18.8

 

16.4

13.3

 

13.1

18.8

 

 ER Visits

1.6

6.7

 

8.2

18.8

 

8.2

6.7

 

6.8

0.0

 

 Walk-in Clinic Visits

11.5

26.7

 

12.9

0.0

 

8.2

13.3

 

7.1

18.8

 

School/Work Absenteeism (last 4 weeks)

 Missed Work/School

18.5

30.8

 

8.6

40.0

*

10.7

0.0

 

10.1

13.3

 

Asthma Management

 Received asthma education

43.4

33.3

 

39.9

43.8

 

24.8

13.3

 

23.2

62.5

*

 Given an action plan

9.5

6.7

 

19.8

25.0

 

34.2

40.0

 

31.5

37.5

 

 Regular peakflow monitoring

16.5

40.0

*

24.5

25.0

 

40.3

40.0

 

49.5

43.8

 

 Spirometry

76.3

78.6

 

69.3

60.0

 

93.3

100.0

 

96.4

87.5

 

Medication Use

 Preventer use

73.8

86.7

 

71.0

81.3

 

79.5

73.3

 

73.5

75.0

 

 Reliever use

82.0

86.7

 

86.6

87.5

 

85.3

80.0

 

83.3

93.8

 
  1. *p<0.05, ** p<0.001.