Table 1 Socio-demographic and other descriptive characteristics of cases and controls
CONTROLS | CASES | CLL Rai0 | CLL Rai I-IV | |
|---|---|---|---|---|
N | 157 | 150b | 96 | 53 |
Region | ||||
Barcelona | 133 (85%) | 129 (86%) | 86 (90%) | 43 (81%) |
Other | 24 (15%) | 21 (14%) | 10 (10%) | 10 (19%) |
P-value a | - | 0.75 | 0.27 | 0.54 |
Age group | ||||
<63 | 48 (31%) | 44 (29%) | 22 (23%) | 22 (42%) |
63-71 | 55 (35%) | 53 (35%) | 38 (40%) | 15 (28%) |
72+ | 54 (34%) | 53 (35%) | 36 (38%) | 16 (30%) |
mean (SD) | 67 (10) | 67 (10) | 68 (9) | 65 (11) |
P-value a | - | 0.81 | 0.29 | 0.24 |
Sex | ||||
Male | 102 (65%) | 97 (65%) | 64 (67%) | 32 (60%) |
Female | 55 (35%) | 53 (35%) | 32 (33%) | 21 (40%) |
P-value a | - | 0.96 | 0.78 | 0.55 |
Education | ||||
Incomplete primary school | 49 (31%) | 53 (38%) | 34 (39%) | 19 (37%) |
Complete primary school | 40 (25%) | 47 (33%) | 31 (35%) | 15 (29%) |
Pre-university/technical studies | 45 (29%) | 25 (18%) | 13 (15%) | 12 (23%) |
University | 23 (15%) | 16 (11%) | 10 (11%) | 6 (12%) |
P-value a | - | 0.08 | 0.05 | 0.75 |
Tobacco consumption | ||||
Never | 72 (46%) | 68 (46%) | 42 (45%) | 26 (49%) |
Former | 59 (38%) | 61 (41%) | 40 (43%) | 20 (38%) |
Current | 25 (16%) | 18 (12%) | 11 (12%) | 7 (13%) |
P-value a | - | 0.60 | 0.57 | 0.87 |
Number of siblings | ||||
0/1 | 39 (25%) | 24 (17%) | 14 (16%) | 10 (19%) |
2 or 3 | 69 (44%) | 57 (41%) | 36 (41%) | 21 (40%) |
4+ | 49 (31%) | 59 (42%) | 37 (43%) | 21 (40%) |
P-value a | - | 0.10 | 0.13 | 0.45 |
Body mass index | ||||
Normal | 51 (34%) | 35 (28%) | 21 (27%) | 13 (28%) |
Overweight | 77 (52%) | 69 (55%) | 45 (58%) | 24 (51%) |
Obese | 21 (14%) | 22 (17%) | 12 (15%) | 10 (21%) |
P-value a | - | 0.45 | 0.53 | 0.44 |
Personal history of other cancer | ||||
Never | 135 (87%) | 119 (84%) | 77 (88%) | 42 (81%) |
Ever | 21 (13%) | 22 (16%) | 11 (13%) | 10 (19%) |
P-value a | - | 0.60 | 0.83 | 0.31 |
Family history of haematological cancer | ||||
No | 121 (92%) | 119 (89%) | 70 (85%) | 48 (94%) |
Yes | 10 (8%) | 15 (11%) | 12 (15%) | 3 (6%) |
P-value a | - | 0.33 | 0.11 | 0.67 |