Table
3: Variables associated with gestational diabetes in multiple logistic
regression analysis.
Variables |
Odd Ratio |
95% Confidence interval |
P value |
Age
(year) |
0.97 |
0.9-1.03 |
NS |
Education
(year) |
0.86 |
0.8-0.9 |
0.001
> |
Number
of gravida |
0.68 |
0.4-0.9 |
NS |
Pre
pregnancy BMI(kg/m2) |
1.04 |
0.9-1.09 |
NS |
Passive
smokinga ·
Yes ·
No
|
1.4 |
0.6-2.8 |
NS* |
History
of gestational diabetes ·
Yes ·
No |
1.27 |
0.1-12.2 |
NS |
History
of familial diabetesb ·
Yes ·
No |
1.3 |
0.6-2.7 |
NS |
Urine
calcium creatinine ratio |
0.42 |
0.2-0.7 |
0.001 |
Nutritional
intake of calcium |
1 |
0.9-1.001 |
NS |
Consumption of calcium
supplement |
0.29 |
0.1-0.5 |
0.001
> |
Insufficient nutritional
intake of calcium(less than RDA recommendation) |
1.02 |
0.4-2.2 |
NS |
*NS: Not significant P > 0.05
aPassive smoking was defined as involuntary
inhalation of smoke from cigarettes smoked by other people
bFirst-degree relatives