Table 3.
Prevalence and adjusted 1 odds ratios of Impaired fasting glucose by category of body mass index (BMI) after stratification by tertile of serum γ-glutamyltransferase (GGT)
|
BMI |
P trend |
P interaction |
|||
|---|---|---|---|---|---|
| <23 kg/m 2 | 23-25 kg/m 2 | >25 kg/m 2 | |||
|
Men (n = 2424) |
|
|
|
|
0.032 |
| GGT tertile 1 (0 ~ 22 U/L) |
|
|
|
|
|
| Case/participants |
95/447 |
45/204 |
44/171 |
0.193 |
|
| Prevalence |
17.2% |
21.2% |
23.4% |
|
|
| Adjusted OR (95% CI) |
reference |
1.2(0.7-2.1) |
1.4(0.8-2.3) |
|
|
| GGT tertile 2 (23 ~ 34 U/L) |
|
|
|
|
|
| Case/participants |
66/297 |
71/213 |
103/290 |
0.001 |
|
| Prevalence (%) |
19.8% |
31.4% |
32.4% |
|
|
| Adjusted OR (95% CI) |
reference |
1.9(1.2-3.1) |
2.1(1.3-3.3) |
|
|
| GGT tertile 3 (35 ~ 73 U/L) |
|
|
|
|
|
| Case/participants |
54/233 |
101/238 |
160/331 |
<0.001 |
|
| Prevalence (%) |
20.2% |
42.0% |
49.5% |
|
|
| Adjusted OR (95% CI) |
reference |
2.9(1.8-4.8) |
4.0(2.5-6.4) |
|
|
|
Women (n = 3652) |
|
|
|
|
0.059 |
| GGT tertile 1 (0 ~ 14 U/L) |
|
|
|
|
|
| Case/participants |
73/678 |
35/352 |
43/243 |
0.100 |
|
| Prevalence (%) |
9.8% |
9.5% |
15.8% |
|
|
| Adjusted OR (95% CI) |
reference |
0.9(0.6-1.5) |
1.7(1.0-2.8) |
|
|
| GGT tertile 2 (15 ~ 19 U/L) |
|
|
|
|
|
| Case/participants |
66/491 |
65/262 |
95/348 |
<0.001 |
|
| Prevalence (%) |
13.2% |
24.1% |
26.0% |
|
|
| Adjusted OR (95% CI) |
reference |
2.1(1.2-3.5) |
2.2(1.4-3.5) |
|
|
| GGT tertile 3 (20 ~ 48 U/L) |
|
|
|
<0.001 | |
| Case/participants |
72/401 |
94/324 |
215/553 |
|
|
| Prevalence (%) |
16.2% |
29.7% |
37.4% |
|
|
| Adjusted OR (95% CI) | reference | 2.1(1.3-3.2) | 3.1(2.1-4.5) | ||
All statistics, except the numbers of case/participants, are results from complex survey data analyses.
1Adjustment for age, smoking, alcohol intake, and physical activity.