Baseline Data (table 1)

Control
(n = 281)

Intervention
(n = 280)

Age- mean (SD)

53 (11.9)

52.9 (11.9)

% male (n)

47% (132)

45%(127)

Pack-years -mean (SD)

30.3 (19.3)

31.1 (17.7)

Daily cigarette consumption
-mean (SD)

17.4 (8.2)

16.5 (9)

Spirometry result

        FEV1 % predicted-mean(SD)

90 (19.8)

89 (19.8)

        % FEV1/FVC- mean ( SD)

75 (11.8)

73 (11.7)

        % with Abnormal FEV1      (n)     
        (i.e. < 80% of predicted)

23.5 (66)

26.8 (75)

SGRQ score -mean (SD)

28.9 ( 22.4)

26.7 ( 22.0)

Past medical history %(n)

        COPD

7.2% (19)

7.7% (20)

        Asthma

11% (29)

9.3% (24)

        Other lung disease

2.7% (7)

2.3% (6)

        CVA or stroke

4.2% (11)

0.8% (2)

        Coronary heart disease
        (angina or heart attack)

5.3% (14)

2.3% (6)

        Other heart disease

2.3% (6)

1.2% (3)

        Diabetes

5.7% (15)

3.5% (9)

        Treatment for hypertension

21.3% (56)

19.1% (49)

Stage of change

         Precontemplative

29.3% (77)

29.2% (76)

         Contemplative

32.3% (85)

31.9% (83)

         Preparation

16% (42)

18.1% (47)

         Action

22.4% (59)

 20.8% (54)

New diagnosis of COPD

17.4% (49)

14.3% (40)