Table 2.
Comparison of the menstruation and fertility status between the Han group (n = 287) and Uygur group (n = 264) of BC patients
| Variables | Han (n (%)) | Uygur (n (%)) | X 2 (df)/Z | p-value |
|---|---|---|---|---|
| Menarche (age in years) | 1.721* | 0.085 | ||
| ≤ 12 | 33 (11.5) | 20 (7.6) | ||
| 13 | 61 (21.3) | 40 (15.2) | ||
| 14 | 72 (25.1) | 75 (28.4) | ||
| 15 | 52 (18.1) | 64 (24.2) | ||
| ≥ 16 | 69 (24) | 65 (24.6) | ||
| Menopause status | 1.663 (1) | 0.197 | ||
| no | 200 (69.7) | 197 (74.6) | ||
| yes | 87 (30.3) | 67 (25.4) | ||
| Live birth number | 8.099* | < 0.001 | ||
| 0 | 12 (4.2) | 10 (3.8) | ||
| 1 | 157 (54.7) | 44 (16.7) | ||
| 2 | 59 (20.6) | 100 (37.9) | ||
| ≥ 3 | 59 (20.6) | 110 (41.7) | ||
| Abortion number | 1.895* | 0.058 | ||
| 0 | 101 (35.2) | 132 (50) | ||
| 1 | 95 (33.1) | 47 (17.8) | ||
| 2 | 62 (21.6) | 50 (18.9) | ||
| ≥ 3 | 29 (10.1) | 35 (13.3) | ||
| Age at first parturition (year) | 20.043 (1) | < 0.001 | ||
| ≤ 25 | 151 (54.9) | 187 (73.6) | ||
| > 25 | 124 (45.1) | 67 (26.4) | ||
| Duration of breast feeding (month) | 4.907* | < 0.001 | ||
| 0 | 33 (12) | 8 (3.1) | ||
| 1-11 | 90 (32.7) | 57 (22.4) | ||
| ≥ 12 | 152 (55.3) | 189 (74.4) |
*
The results of the “z” test;
Abbreviation: BC-breast cancer.