A Vitamin Pattern Diet Is Associated with Decreased Risk of Gestational Diabetes Mellitus in Chinese Women: Results from a Case Control Study in Taiyuan, China
Table 7
Vitamin nutrient pattern and risk of GDM stratified by BMI.
Vitamin pattern
Cases
Controls
OR
95%CI
Cases
Controls
OR
95%CI
One year before pregnancy
Q1
279
1,627
1.00
125
358
1.00
Q2
261
1,676
0.92
0.76-1.11
117
335
0.93
0.68-1.26
Q3
246
1,644
0.85
0.71-1.03
125
374
0.87
0.65-1.18
Q4
190
1,687
0.66
0.54-0.81
121
391
0.81
0.60-1.10
Total
0.88
0.83-0.94
0.93
0.85-1.03
for trend
<0.0001
0.158
The first trimester
Q1
285
1,621
1.00
119
364
1.00
Q2
250
1,673
0.84
0.69-1.01
119
347
1.05
0.77-1.43
Q3
249
1,643
0.84
0.70-1.01
131
366
1.03
0.76-1.39
Q4
192
1697
0.64
0.52-0.78
119
381
0.88
0.65-1.20
Total
0.88
0.82-0.93
0.96
0.87-1.06
for trend
<0.0001
0.408
The second trimester
Q1
283
1,615
1.00
119
372
1.00
Q2
263
1,681
0.88
0.73-1.06
125
320
1.15
0.85-1.56
Q3
234
1,633
0.79
0.66-0.96
121
396
0.85
0.63-1.16
Q4
196
1,705
0.66
0.54-0.80
123
370
0.93
0.68-1.26
Total
0.87
0.82-0.93
0.95
0.86-1.04
for trend
<0.0001
0.277
Adjusted for maternal age for years, education, parity, gestational week, high blood pressure, and family history of diabetes.
