Table 2.
Proportions of metabolic syndrome (MetS) by fasting plasma glucose only, HbA1c only, and by both criteria
| MetS by either FPG or HbA1c | FPG-based diagnosis of MetS | HbA1c-based diagnosis of MetS | MetS by both FPG and HbA1c (overlap * ) | |
|---|---|---|---|---|
| Sex |
|
|
|
|
| Men |
893 |
179 (20.0) |
353 (39.5) |
361 (40.4) |
| Women |
1115 |
189 (17.0) |
519 (46.5) |
407 (36.5) |
| Age, y |
|
|
|
|
| 18-44 |
377 |
88 (23.3) |
176 (46.7) |
113 (30.0) |
| 45-64 |
1112 |
214 (19.2) |
475 (42.7) |
423 (38.0) |
| ≥ 65 |
519 |
66 (12.7) |
221 (42.6) |
232 (44.7) |
| BMI categories |
|
|
|
|
| < 25 kg/m2 |
908 |
189 (20.8) |
409 (45.0) |
310 (34.1) |
| 25-30 kg/m2 |
902 |
148 (16.4) |
395 (43.8) |
359 (39.8) |
| ≥ 30 kg/m2 |
198 |
31 (15.7) |
68 (34.3) |
99 (50.0) |
| WC categories |
|
|
|
|
| < 85/80 cm |
235 |
44 (18.7) |
119 (50.6) |
72 (30.6) |
| ≥ 85/80 cm |
1773 |
324 (18.3) |
753 (42.5) |
696 (39.3) |
| BP status |
|
|
|
|
| < 120/80 mmHg |
200 |
46 (23.0) |
101 (50.5) |
53 (26.5) |
| 120/80-140/90 mmHg |
803 |
150 (18.7) |
346 (43.1) |
307 (38.2) |
| ≥140/90 mmHg |
1005 |
172 (17.1) |
425 (42.3) |
408 (40.6) |
| Settings |
|
|
|
|
| Urban |
669 |
146 (21.8) |
287 (42.9) |
236 (35.3) |
| Rural |
1339 |
222 (16.6) |
585 (43.7) |
532 (39.7) |
| Regions |
|
|
|
|
| Southern |
920 |
224 (24.3) |
392 (42.6) |
304 (33.0) |
| Northern |
1088 |
144 (13.2) |
480 (44.1) |
464 (42.6) |
| Education |
|
|
|
|
| Primary or below |
1038 |
171 (16.5) |
471 (45.4) |
396 (38.2) |
| Less than high school |
573 |
121 (21.1) |
232 (40.5) |
220 (38.4) |
| High school or above | 397 | 76 (19.1) | 169 (42.6) | 152 (38.3) |
*Proportions of overlap between HbA1c- and FPG-based diagnosis of MetS are calculated as the number of MetS by both FPG and HbA1c divided by the number of MetS based on either FPG or HbA1c.
FPG, fasting plasma glucose; BMI, body mass index; WC, waist circumference; BP, blood pressure.