Table 2.
Prevalence and adjusted odds ratios of impaired fasting glucose by tertile of serum γ-glutamyltransferase (GGT) and category of body mass index (BMI)
| Tertiles of serum GGT | P trend | |||
|---|---|---|---|---|
|
Men |
Tertile 1 (0 ~ 22 U/L) |
Tertile 2 (23 ~ 34 U/L) |
Tertile 3 (35 ~ 73 U/L) |
|
| Case/participants |
184/822 |
240/800 |
315/802 |
|
| Prevalence, % |
19.5% |
28.0% |
39.4% |
|
| Odds ratio (95% CI) |
|
|
|
|
| Model 1 |
reference |
1.6(1.2-2.2) |
2.8(2.1-3.8) |
<0.001 |
| Model 2 |
reference |
1.4(1.0-1.9) |
2.3(1.7-3.1) |
<0.001 |
|
Women |
Tertile 1 (0 ~ 14 U/L) |
Tertile 2 (15 ~ 19 U/L) |
Tertile 3 (20 ~ 48 U/L) |
|
| Case/participants |
151/1273 |
226/1101 |
381/1278 |
|
| Prevalence, % |
10.9% |
19.7% |
28.8% |
|
| Odds ratio (95% CI) |
|
|
|
|
| Model 1 |
reference |
1.9(1.4-2.5) |
3.1(2.4-4.0) |
<0.001 |
| Model 2 |
reference |
1.8(1.3-2.3) |
2.5(1.9-3.3) |
<0.001 |
| |
Categories of BMI |
|
||
| |
<23 kg/m
2
|
23-25 kg/m
2
|
>25 kg/m
2
|
|
|
Men |
|
|
|
|
| Case/participants |
215/977 |
217/655 |
307/792 |
|
| Prevalence, % |
18.8% |
32.5% |
38.4% |
|
| Odds ratio (95% CI) |
|
|
|
|
| Model 1 |
reference |
2.0(1.6-2.6) |
2.7(2.2-3.4) |
<0.001 |
| Model 2 |
reference |
1.9(1.5-2.4) |
2.3(1.8-2.9) |
<0.001 |
|
Women |
|
|
|
|
| Case/participants |
211/1570 |
194/938 |
353/1144 |
|
| Prevalence, % |
12.4% |
20.6% |
29.3% |
|
| Odds ratio (95% CI) |
|
|
|
|
| Model 1 |
reference |
1.7(1.3-2.3) |
2.8(2.2-3.6) |
<0.001 |
| Model 2 | reference | 1.6(1.2-2.1) | 2.4(1.8-3.1) | <0.001 |
All statistics, except case/participants, are results from complex survey data analyses.
Model 1: adjustment for age, smoking, alcohol intake, and physical activity.
Model 2: Further adjustment for BMI or GGT.