Table 2.
Knowledge of risk factors for breast cancer among the included female teachers from Al-Dhahira Governorate (N = 478)
| Risk factor | n (%) | ||
|---|---|---|---|
| Yes | No | I don’t know | |
| Exposure to high doses of radiation | 385 (80.5) | 19 (4) | 74 (15.5) |
| Family history of BC | 342 (71.5) | 53 (11.1) | 83 (17.4) |
| Personal history of BC | 329 (68.8) | 43 (9) | 106 (22.2) |
| Smoking | 322 (67.4) | 43 (9) | 113 (23.6) |
| Environmental pollution | 298 (62.3) | 50 (10.5) | 130 (27.2) |
| Alcohol | 281 (58.8) | 38 (7.9) | 159 (33.3) |
| No physical exercise | 271 (56.7) | 65 (13.6) | 142 (29.7) |
| High fat intake | 246 (51.5) | 51 (10.7) | 181 (37.9) |
| Obesity | 237 (49.6) | 67 (14) | 174 (36.4) |
| Use of HRT | 232 (48.5) | 30 (6.3) | 216 (45.2) |
| Late menopause (ending periods after the age of 55 years) | 175 (36.6) | 67 (14) | 236 (49.4) |
| Use of COC | 154 (32.2) | 67 (14) | 257 (53.8) |
| Delivery of first child after 30 years of age | 118 (24.7) | 123 (25.7) | 237 (49.6) |
| Old age | 101 (21.1) | 174 (36.4) | 203 (42.5) |
| Early menarche (before 12 years old) | 76 (15.9) | 121 (25.3) | 281 (58.8%) |
| Not breastfeeding | 27 (5.6) | 411 (86) | 40 (8.4) |
BC = breast cancer; HRT = hormone replacement therapy; COC = combined oral contraceptive.