Table 3. Prevalence of Abnormal Metabolic Syndrome Components in Men and Women According to GGT Quartile.
| GGT, IU/L | P for trend | ||||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | ||
| Men | Q1 (20≤) | Q2 (21–29) | Q3 (30–46) | Q4 (≥47) | |
| High waist circumference | |||||
| Prevalence, n (%) | 2,341 (15.9) | 3,687 (25.8) | 4,761 (34.5) | 5,774 (40.3) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.891 (1.785–2.005) | 2.925 (2.763–3.096) | 3.822 (3.614–4.043) | |
| High blood pressure | |||||
| Prevalence, n (%) | 7,260 (49.2) | 7,943 (55.6) | 8,444 (61.2) | 9,707 (67.8) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.319 (1.259–1.382) | 1.691 (1.613–1.773) | 2.296 (2.188–2.410) | |
| High triglyceride | |||||
| Prevalence, n (%) | 2,735 (18.5) | 4,378 (30.7) | 5,874 (42.6) | 8,040 (56.2) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.920 (1.818–2.028) | 3.190 (3.024–3.366) | 5.467 (5.184–5.766) | |
| High glucose | |||||
| Prevalence, n (%) | 3,351 (22.7) | 4,136 (29.0) | 4,776 (34.6) | 6,233 (43.6) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.443 (1.368–1.522) | 1.939 (1.839–2.044) | 2.919 (2.772–3.074) | |
| Low HDL-C | |||||
| Prevalence, n (%) | 3,346 (22.7) | 3,474 (24.3) | 3,502 (25.4) | 3,225 (22.5) | 0.677 |
| Age-adjusted OR (95% CI) | 1 | 1.105 (1.047–1.167) | 1.178 (1.116–1.244) | 1.014 (0.959–1.072) | |
| Women | Q1 (12≤) | Q2 (13–16) | Q3 (17–23) | Q4 (≥24) | |
| High waist circumference | |||||
| Prevalence, n (%) | 4,450 (15.0) | 6,603 (20.2) | 8,678 (28.8) | 10,941 (37.7) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.356 (1.299–1.415) | 2.042 (1.959–2.128) | 3.013 (2.893–3.138) | |
| High blood pressure | |||||
| Prevalence, n (%) | 10,451 (35.2) | 13,409 (41.1) | 14,577 (48.3) | 15,593 (53.7) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.204 (1.164–1.245) | 1.517 (1.467–1.569) | 1.836 (1.774–1.900) | |
| High triglyceride | |||||
| Prevalence, n (%) | 3,471 (11.7) | 5,730 (17.6) | 8,082 (26.8) | 10,519 (36.2) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.533 (1.464–1.605) | 2.515 (2.406–2.628) | 3.849 (3.686–4.020) | |
| High glucose | |||||
| Prevalence, n (%) | 3,443 (11.6) | 5,030 (15.4) | 6,905 (22.9) | 9,268 (31.9) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 1.318 (1.257–1.381) | 2.044 (1.954–2.138) | 3.183 (3.047–3.326) | |
| Low HDL-C | |||||
| Prevalence, n (%) | 10,369 (34.9) | 11,202 (34.3) | 11,822 (39.2) | 12,317 (42.4) | <0.001 |
| Age-adjusted OR (95% CI) | 1 | 0.926 (0.895–0.957) | 1.090 (1.054–1.128) | 1.222 (1.181–1.264) | |
GGT, gamma-glutamyltransferase; OR, odds ratio; CI, confidence interval; HDL-C, high-density lipoprotein cholesterol.