Sociodemographic characteristics and anthropometric risk factors associated with breast cancer
| Variables | Case N (%) | Control N (%) | Bivariate analysis | |
| COR (95% CI) | P value | |||
| Residence | ||||
| Rural | 67 (29.1) | 56 (24.3) | 1:00 | |
| Urban | 163 (70.9) | 174 (75.7) | 0.783 (0.517 to 1.19) | 0.247 |
| Age group (years) | ||||
| <39 | 106 (46.1) | 136 (59.1) | 1:00 | |
| 40–49 | 58 (25.2) | 45 (19.6) | 1.65 (1.04 to 2.63) | 0.034 |
| 50–59 | 39 (17.0) | 36 (15.7) | 1.39 (0.827 to 2.34) | 0.214 |
| >60 | 27 (11.7) | 13 (5.7) | 2.67 (1.31 to 5.41) | 0.007 |
| Marital status | ||||
| Ever married | 207 (90.0) | 201 (87.4) | 1:00 | |
| Never married | 23 (10.0) | 29 (12.6) | 0.770 (0.431 to 1.38) | 0.378 |
| Education level | ||||
| Literate | 130 (56.5) | 196 (85.2) | 1:00 | 1:00 |
| Illiterate | 100 (43.5) | 34 (14.8) | 4.43 (2.83 to 6.94) | 0.0001 |
| Occupation | ||||
| Employed | 70 (30.4) | 131 (57) | 1:00 | 1:00 |
| Unemployed | 160 (69.6) | 99 (43.0) | 3.03 (2.06 to 4.44) | 0.0001 |
| Income | (N=108) | (N=127) | ||
| ≥2000 | 52 (48.1) | 88 (69.3) | 1:00 | 1:00 |
| <2000 | 56 (51.9) | 39 (30.7) | 2.43 (1.43 to 4.14) | 0.001 |
| Height (m) | ||||
| ≥1.60 | 102 (44.3) | 91 (39.6) | 1:00 | 1:00 |
| <1.52 | 48 (20.9) | 32 (13.9) | 1.34 (0.788 to 2.27) | 0.280 |
| 1.53–159 | 80 (34.8) | 107 (46.5) | 0.667 (0.445 to 1.00) | 0.050 |
| Weight (kg) | ||||
| >75 | 14 (6.1) | 25 (10.9) | 1:00 | |
| <59 | 143 (62.2) | 120 (52.2) | 2.13 (1.06 to 4.28) | 0.034 |
| 59.1–65 | 37 (16.1) | 52 (22.6) | 1.27 (0.583 to 2.77) | 0.546 |
| 65.1–74 | 36 (15.7) | 33 (14.3) | 1.95 (0.869 to 4.36) | 0.105 |
| BMI (kg/m2) | ||||
| Obese (>30) | 10 (4.3) | 22 (9.6) | 1:00 | |
| 25–29.9 (overweight) | 54 (23.5) | 48 (20.9) | 2.48 (1.07 to 5.75) | 0.035 |
| Normal (<25) | 166 (72.2) | 160 (69.6) | 2.28 (1.05 to 4.97) | 0.038 |
Bivariate analysis using binary logistic regression. 1:00 is OR for reference/comparison group.
BMI, body mass index; COR, crude OR.