Table 1 Baseline patient related characteristics presented as mean (± SD) or number (percentage) stratified by smoking status

Mean Age (SD)^a

58.7 (9.1)

57.5 (10.0)

58.1 (9.5)

0.628

Sex (%)^b

0.190

Male

10 (30%)

15 (50%)

25 (42%)

Female

20 (66%)

15 (50%)

35 (58%)

Marital status (%)^b

0.019

Married or cohabitant

18 (60%)

26 (87%)

44 (73%)

Single

12 (40%)

4 (13%)

16 (27%)

Education (%)^b

0.009

≤9 years^C

22 (73%)

12 (40%)

34 (57%)

>9 years^C

8 (27%)

18 (60%)

26 (43%)

Mean BMI (SD)Mean BMI (SD)^a

24.0 (3.8)

25.8 (2.8)

24.8 (3.4)

0.024