Table 3.
The determinant factors of breast cancer based on ethnicity stratification for minangnese and javanese people.
| Minangnese (n-200) |
Javanese (n = 200) |
|||||
|---|---|---|---|---|---|---|
| Variables | Category | BC (f/%) | Non-BC (f/%) | BC (f/%) | Non-BC (f/%) | p-value |
| Age of menarche | 7–11 years | 10 (10.0) | 8 (8.0) | 8 (8.0) | 8 (8.0) | <0.001* |
| 12–13 years | 52 (52.0) | 49 (49.0) | 47 (47.0) | 42 (42.0) | ref | |
| > 13 years | 38 (38.0) | 43 (43.0) | 45 (45.0) | 50 (50.0) | <0.001* | |
| Age of menopause | <50 (years) | 37 (37.0) | 63 (63.0) | 42 (42.0) | 58 (58.0) | ref |
| ≥ 50 (years) | 63 (63.0) | 37 (37.0) | 58 (58.0) | 42 (42.0) | <0.001* | |
| Age of the first pregnancy | 20–29 (years) | 65 (65.0) | 65 (65.0) | 72 (72.0) | 82 (82.0) | ref |
| <20 (years) | 19 (19.0) | 22 (22.0) | 16 (16.0) | 11 (11.0) | <0.001* | |
| ≥ 30 (years) | 15 (15.0) | 13 (13.0) | 12 (12.0) | 6 (6.0) | <0.001* | |
| Never | 1 (1.0) | 0 | 0 | 1 (1.0) | 0.002* | |
| Parity | Nulliparous | 1 (1.0) | 1 (1.0) | 0 | 1 (1.0) | ref |
| Primiparous | 13 (13.0) | 20 (20.0) | 11 (11.0) | 19 (19.0) | <0.001* | |
| ≥ Multiparous | 86 (86.0) | 79 (79.0) | 89 (89.0) | 80 (80.0) | ref | |
| Breastfeeding | ≥ 12 months | 99 (99.0) | 75 (75.0) | 99 (99.0) | 82 (82.0) | <0.001* |
| < 12 month | 1 (1.0) | 25 (25.0) | 1 (1.0) | 18 (18.0) | ref | |
| High-fat diet | Normal | 6 (6.0) | 51 (51.0) | 2 (2.0) | 61 (61.0) | ref |
| High | 94 (94.0) | 49 (49.0) | 98 (98.0) | 39 (39.0) | <0.001* | |
| BMI | Normal | 44 (44.0) | 66 (66.0) | 43 (43.0) | 59 (59.0) | ref |
| Overweight | 20 (20.0) | 9 (9.0) | 18 (18.0) | 12 (12.0) | <0.001* | |
| Obesity | 36 (36.0) | 25 (25.0) | 39 (39.0) | 29 (29.0) | <0.001* | |
⁎
, ref, reference; In the Mantel-Haenszel test, the homogeneity was p < 0.05.