Table 1 Comparison of demographic characteristics of the case group and control group
Case group | Control group | χ/t | P | |
|---|---|---|---|---|
Age (SD) | 49.7 ± 9.6 | 49.2 ± 8.8 | 0.33(t) | 0.74 |
BMI | 25.1 ± 3.6 | 24.3 ± 3.6 | 1.54(t) | 0.16 |
Residence | 1.44 | 0.27 | ||
Urban | 25(22.5%) | 32(28.8%) | ||
Rural | 86(77.5%) | 79(71.2%) | ||
Education level | 7.21 | 0.07 | ||
Elementary or low | 49(44.2%) | 51(46.0%) | ||
Middle school | 29(26.1%) | 34(30.6%) | ||
High school | 18(16.2%) | 22(19.8%) | ||
College or high | 15(13.5%) | 4(3.6%) | ||
Marital status | 0.15 | 1.00 | ||
Never | 3(2.7%) | 4(3.6%) | ||
Ever | 108(97.3%) | 107(96.4%) | ||
Menopause status | 2.86 | 0.11 | ||
Yes | 58(52.3%) | 46(41.4%) | ||
No | 53(47.7%) | 65(58.6%) | ||
Diabetes mellitus | 3.69 | 0.12 | ||
Yes | 6(5.4%) | 1(0.9%) | ||
No | 105(94.6%) | 110(99.1%) | ||
Hypertension | 0.00 | 1.00 | ||
Yes | 14(12.6%) | 14(12.6%) | ||
No | 97(87.4%) | 97(87.4%) |