Table 1.
Distribution of demographic data and risk factors in breast cancer cases and controls
| Cases, n (%) | Controls, n (%) | P | |
|---|---|---|---|
| Residence | 0.896 | ||
| Urban | 81 (63.77) | 82 (64.56) | |
| Rural | 46 (36.22) | 45 (35.43) | |
| Total | 127 (100) | 127 (100) | |
| Ethnicity | 0.636 | ||
| Turkmen | 31 (27.19) | 31 (30.09) | |
| Fars | 83 (72.8) | 72 (69.9) | |
| Total | 114 (100) | 103 (100) | |
| Marriage | 0.702 | ||
| Single | 4 (3.14) | 3 (2.36) | |
| Married | 123 (96.85) | 124 (97.63) | |
| Total | 127 (100) | 127 (100) | |
| Professional status | 0.719 | ||
| Housewife | 108 (85.03) | 110 (86.61) | |
| Professional | 19 (14.96) | 17 (13.38) | |
| Total | 127 (100) | 127 (100) | |
| Educational level | 0.594 | ||
| Illiterate | 101 (79.5) | 97 (76.37) | |
| Educated | 26 (20.47) | 30 (23.62) | |
| Total | 127 (100) | 127 (100) | |
| Contraception | 0.163 | ||
| Oral contraceptives | 47 (50.53) | 41 (36.28) | |
| Other | 46 (49.46) | 72 (63.71) | |
| Total | 93 (100) | 113 (100) | |
| History of infertility | 18 | 8 | 0.03 |
| History of abortion | 38 | 38 | 0.78 |
| History of stillbirth | 10 | 6 | 0.27 |
| Hormone replacement therapy | 1 | 3 | 0.34 |
| History of cancer in first-degree relatives | 23 | 12 | 0.04 |
| History of cancer in second-degree relatives | 13 | 9 | 0.37 |
| History of cancer in the patient her/himself | 10 | 0 | 0.002 |
| History of benign lesions in the breast | 9 | 2 | 0.06 |
| History of radiation to head/neck and chest | 22 | 4 | 0.78 |