Table 1 Baseline characteristics of the study participants
Parameter | CEMR (n = 64) | UEMR (n = 66) | Total (n = 130) | P value |
|---|---|---|---|---|
Age, mean (SD), yrs | 57.6 ± 9.8 | 55.1 ± 11.2 | 56.4 ± 10.6 | 0.177a |
Sex, n (%) | ||||
 Male | 35 (54.7) | 40 (60.6) | 75 (57.7) | 0.495b |
 Female | 29 (45.3) | 26 (39.4) | 55 (42.3) |  |
Current alcohol, n (%) | Â | Â | Â | 0.866b |
 Yes | 13 (20.3) | 11 (16.7) | 24 (18.5) |  |
 No | 39 (60.9) | 42 (65.6) | 81 (62.3) |  |
 Unknow | 12 (18.8) | 13 (19.7) | 25 (19.2) |  |
Current tobacco, n (%) | Â | Â | Â | 0.910b |
 Yes | 11 (17.2) | 13 (19.7) | 24 (18.5) |  |
 No | 41 (64.1) | 40 (60.6) | 81 (62.3) |  |
 Unknow | 12 (18.8) | 13 (19.7) | 25 (19.2) |  |
Institution, n (%) | Â | Â | Â | 0.441b |
 A | 51 (79.7) | 51 (77.3) | 102 (78.5) |  |
 B | 10 (15.6) | 14 (21.2) | 24 (18.4) |  |
 C | 3 (4.7) | 1 (1.5) | 4 (3.1) |  |