Table 3.
Socio-demographic characteristics of men in different preconception risk categories
| No risk factors | A | B | C | D | X | ||
|---|---|---|---|---|---|---|---|
| Age | ≤25 | 9.2% | 10.2% | 10.3% | 9.1% | 4.5%* | - |
| 25–30 | 43.1% | 44.5% | 44.9% | 45.5% | 38.6%* | - | |
| 30–35 | 28.8% | 27.6% | 28.0% | 28.1% | 33.0%* | - | |
| ≥35 | 18.9% | 17.6% | 16.8% | 17.3% | 23.9%* | - | |
| Area | Rural area | 92.6% | 92.1% | 90.1% | 92.2% | 85.7% | - |
| Race | Han | 92.7% | 91.3% | 88.4% | 92.3% | 91.1% | - |
| Education | Secondary school or lower | 69.3% | 69.0% | 63.1% | 66.4% | 61.9% | - |
| High school | 20.0% | 19.2% | 20.1% | 20.2% | 16.9% | - | |
| College or higher | 10.6% | 11.8% | 16.8%* | 13.4% | 21.3%* | - |
*:P value <0.05 compared with those men having no risk factors