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Table 1 Demographic characteristics and smoking frequency at baseline/follow-up by smoking groups

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

 

Smokers

Ex-smokers*

Non-smokers

New Smokers*

n

%

n

%

p-value

n

%

n

%

p-value

Number of Patients

122

 

15

  

366

 

16

  

Baseline demographics

 

  Age (Mean ± SD)

39.13 ± 9.33

42.72 ± 8.10

0.128

40.82 ± 9.79

35.25 ± 6.93

0.007

  Females

99

81.1

12

80.0

1.000

285

77.9

11

68.8

0.370

  Residence

0.321

 

0.753

   Urban Area

12

9.8

3

20.0

 

91

24.9

3

18.8

 

   Rural Area

48

39.3

7

46.7

 

146

39.9

6

37.5

 

   Inner City Area

62

50.8

5

33.3

 

129

35.2

7

43.8

 

  Education (university/college or above)

44

36.1

5

33.3

0.818

248

67.8

10

62.5

0.660

  Family Income ≤ $40,000

13

10.7

0

0.0

0.360

36

9.8

2

12.5

0.667

  Without a Drug Plan

36

29.5

4

26.7

0.942

83

22.9

9

56.3

0.005

Smoking Frequency at Baseline

 

  Daily

113

92.6

10

  

n/a

 

n/a

  

  Weekly

2

1.6

1

  

n/a

 

n/a

  

  Less than once per week

7

5.7

4

  

n/a

 

n/a

  

Smoking Frequency at 12-month Follow-up†

 

  Daily

110

90.2

n/a

  

n/a

 

11

  

  Weekly

4

3.3

n/a

  

n/a

 

2

  

  Less than once per week

6

4.9

n/a

  

n/a

 

3

  
  1. *denotes smoking status at 12-month follow-up.
  2. †missing data for 2 smokers at follow-up.
  3. Abbreviations: SD, standard deviation; n/a, not applicable.