Characteristics Odd’s ratio 95% CI P-value
Age of mother   1.387 1.129 ,  1.704   0.002*
BMI   1.190   1.029 ,   1.377   0.019*
OHI-S score   0.601   0.295,    1.227   0.162
Family history of DM (yes)   0.251   0.069,    0.917   0.037*
Diagnosis
  1. Generalized chronic gingivitis
  2. Generalized chronic periodontitis
  3. Localized chronic periodontitis
        1.000 0.486 0.543 0.067,    3.518 0.078,   3.789  0.475 0.538
Gestational age (weeks) 1.227 0.949,   1.60 0.128
* Significant at 5% level
Table 2: Factors associated with gestational diabetes.