Table 1.
The clinical characteristics of subjects in the control group and experimental group
| Characteristics | Control group (n = 80) | Experimental group (n = 197) | t/χ 2 | p‐value | OR | 95% CI |
|---|---|---|---|---|---|---|
| Age (x ± s, year) | 46.54 ± 11.45 | 46.13 ± 11.22 | −0.271 | .820 | ||
| BMI (kg/m2) | 22.30 ± 0.47 | 22.33 ± 0.53 | 0.501 | .373 | ||
| SBP (mmHg) | 106.90 ± 10.78 | 109.00 ± 11.03 | 1.446 | .542 | ||
| DBP (mmHg) | 73.18 ± 5.32 | 73.29 ± 5.13 | 0.166 | .576 | ||
| Folic acid (nmol/L) | 16.36 ± 0.61 | 14.09 ± 0.93 | −20.247 | .000* | ||
| Education degreea | 0.123 | .94 | ||||
| 1 | 39 | 95 | ||||
| 2 | 18 | 48 | ||||
| 3 | 23 | 54 | ||||
| Smoking | 0.363 | .547 | 0.729 | 0.260–2.044 | ||
| Yes | 74 | 186 | ||||
| No | 6 | 11 | ||||
| Pregnant times | 0.376 | .54 | 0.846 | 0.496–1.444 | ||
| ≤2 | 47 | 125 | ||||
| >2 | 33 | 72 | ||||
| Age of first delivery | 0.391 | .532 | 1.199 | 0.679–2.118 | ||
| ≤25 years | 56 | 132 | ||||
| >25 years | 24 | 65 | ||||
| Family history of cancer | 0.911 | .340 | 0.479 | 0.103–2.239 | ||
| Yes | 2 | 10 | ||||
| No | 78 | 187 |
P‐values were calculated through chi‐square test.
Abbreviations: BMI, body mass index; CI, confidence intervals; DBP, diastolic blood pressure; OR, odds ratio; SBP, systolic blood pressure.
a
Education degree: 1 referred as elementary school and below; 2 referred as middle school; and 3 referred as college degree and above.
*
Means p < .05 (control group vs. experimental group). OR and 95% CI were measured by analysis of univariate and multivariate logistic regression.