Variables | Number | Standardized scores (Mean±SD) | Statistics | P-Value |
---|---|---|---|---|
Ethnic group | ||||
 Han nationality | 1180 | 84.77±9.75 | -1.674a | 0.094 |
 Ethnic minorities | 55 | 87.03±10.30 | ||
Education level | ||||
 Junior high school and below | 18 | 86.13±9.39 | 1.058b | 0.367 |
 Senior high school | 57 | 87.40±8.73 | ||
 University and above | 1160 | 85.24±9.86 | ||
Marital status | ||||
 Marriage | 1225 | 84.84±9.79 | 0.829b | 0.799 |
 Unmarried | 6 | 88.73±8.02 | ||
 Divorced | 4 | 89.52±7.97 | ||
Parity | ||||
 Primipara | 961 | 84.68±9.90 | -1.286a | 0.199 |
 Multipara | 274 | 85.54±9.35 | ||
Type of delivery | ||||
 Vaginal delivery | 487 | 83.78±9.65 | -3.17a | 0.002** |
 Cesarean delivery | 748 | 85.58±9.81 | ||
Maternity wards | ||||
 Double room | 912 | 84.44±10.03 | -2.764a | 0.006** |
 LDR | 323 | 86.09±8.94 |