Table 1.
Characteristics of participants by NC in quintiles
| Variables |
NC (in quintiles) |
|
||||
|---|---|---|---|---|---|---|
| Q1 (women < 31,men < 36) | Q2 (women 31-32, men 36-37) | Q3 (women 32.1-33, men 37.1-38) | Q4 (women 33.1-34, men 38.1-40) | Q5 (women > 34.1, men > 40) | P for trend | |
| N |
670 |
393 |
381 |
494 |
380 |
|
| Age, years |
46.4 ± 10.1 |
43.6 ± 9.1 |
45.8 ± 9.5 |
46.9 ± 9.4 |
46.8 ± 8.8 |
0.498 |
| BMI, kg/m2 |
22.5 ± 2.4 |
24.0 ± 2.2 |
25.0 ± 2.2 |
26.1 ± 2.3 |
27.9 ± 3.0 |
<0.0001 |
| WC, cm |
80.4 ± 7.7 |
84.6 ± 7.1 |
87.6 ± 7.7 |
91.7 ± 7.2 |
96.1 ± 9.0 |
<0.0001 |
| Systolic blood pressure, mmHg |
121.1 ± 15.2 |
124.4 ± 15.2 |
124.2 ± 15.8 |
128.3 ± 16.3 |
130.7 ± 15.6 |
<0.0001 |
| Diastolic blood pressure, mmHg |
77.1 ± 11.1 |
77.9 ± 10.7 |
80.0 ± 11.4 |
82.6 ± 11.6 |
83.9 ± 11.4 |
<0.0001 |
| Fasting glucose, mmol/L |
5.2 ± 1.5 |
5.1 ± 0.9 |
5.3 ± 1.1 |
5.3 ± 1.1 |
5.5 ± 1.4 |
0.001 |
| Totalcholesterol, mmol/l |
4.9 ± 0.9 |
5.1 ± 0.9 |
5.1 ± 0.9 |
5.1 ± 0.9 |
5.2 ± 1.0 |
0.0001 |
| Triglyceride, mmol/L |
1.4 ± 1.2 |
1.8 ± 1.9 |
1.8 ± 1.5 |
2.1 ± 1.7 |
2.3 ± 2.6 |
<0.0001 |
| LDL-C, mmol/L |
2.9 ± 0.8 |
3.0 ± 0.8 |
3.0 ± 0.8 |
3.1 ± 0.8 |
3.1 ± 0.8 |
<0.0001 |
| HDL-C, mmol/L |
1.3 ± 0.3 |
1.3 ± 0.3 |
1.2 ± 0.3 |
1.1 ± 0.3 |
1.1 ± 0.3 |
0.0037 |
| Hypertention |
19.7% |
20.1% |
22.8% |
27.7% |
31.8% |
<0.0001 |
| Diabetes |
6.1% |
7.6% |
10.0% |
10.9% |
12.6% |
0.0062 |
| High LDL |
11.2% |
12.0% |
13.9% |
18.6% |
18.9% |
<0.0001 |
| Low HDL |
4.2% |
4.8% |
5.5% |
5.9% |
6.3% |
0.0159 |
| Hypertriglyceridemia |
9.9% |
11.2% |
12.1% |
15.8% |
17.9% |
<0.0001 |
| Hypercholesterolemia | 10.9% | 12.7% | 13.4% | 17.6% | 18.8% | 0.0317 |
Abbreviations: WC waist circumference, HDL-C high density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol. Data are age and sex adjusted; Mean ± standard deviation; Linear regression model was used to test trend for continuous variables.