Table 4.
Variables | Calculated chi-square value | Degree of freedom | Odds ratio | p value |
---|---|---|---|---|
Family history of diabetes mellitus | 3.6 | 1 | 2.9 | 0.06 |
Previous history of hypertension | 25.25 | 1 | 9.3 | 0.000 |
Body mass index | 9.33 | 1 | 4.36 | 0.002 |
Parity | 11.34 | 1 | 8.95 | 0.0008 |
Twin delivery | 0.2 | 1 | 1.46 | 0.65 |
Smoking history | 5.45 | 1 | 4.33 | 0.02 |