Variables | Users n (%) N = 818 | Caregiver n (%) N = 182 | OR (IC = 95%) | p value |
Null parity as RF Yes No |
308 (73.3) 510 (87.9) |
112 (26.7) 70 (12.1) |
2.65 (1.90 - 3.69) Ref |
<0.001 |
Oral contraceptive pills Yes No |
482 (79.7) 336 (85.1) |
123 (20.3) 59 (14.9) |
1.3 (0.94 - 1.79) Ref |
0.031 |
Traumatism Yes No |
423 (79.8) 395 (84.0) |
107 (20.2) 75 (16.0) |
1.45 (1.03 - 2.03) Ref |
1 0.083 |
Estrogen increases the risk of breast Kc Yes No |
377 (78.8) 441 (85.1) |
105 (21.8) 77 (14.9) |
1.6 (1.16 - 2.21) Ref |
1 0.005 |
Lack of physical exercise Yes No |
533 (78.8) 285 (88.0) |
143 (21.2) 99 (12.0) |
1.96 (1.34 - 2.86) Ref |
1 <0.001 |