Table 1.
Headers: Weighted Characteristics of the Study Population Based on LDL-C Quartiles
| LDL Cholesterol (mmol/L) | Q1 | Q2 | Q3 | Q4 | P value |
|---|---|---|---|---|---|
| (≤2.30) | (2.31–2.85) | (2.86–3.47) | (≥3.48) | ||
| Age (years) | 35.286 ± 11.871 | 37.916 ± 11.836 | 40.934 ± 11.287 | 42.773 ± 10.288 | < 0.001 |
| Sex, n (%) | 0.002 | ||||
| Male | 49.030 | 51.110 | 55.688 | 55.195 | |
| Female | 50.970 | 48.890 | 44.312 | 44.805 | |
| Race/Ethnicity (%) | 0.215 | ||||
| Non-Hispanic White | 61.004 | 61.577 | 61.003 | 61.501 | |
| Non-Hispanic Black | 13.082 | 10.987 | 9.931 | 11.573 | |
| Mexican American | 9.469 | 10.535 | 11.725 | 8.957 | |
| Other race/ethnicity | 16.444 | 16.900 | 17.341 | 17.969 | |
| Education level (%) | 0.027 | ||||
| Less than high School | 12.268 | 15.335 | 14.623 | 14.618 | |
| High school | 21.551 | 19.464 | 21.946 | 24.817 | |
| More than high school | 66.180 | 65.201 | 63.431 | 60.566 | |
| Body mass index (kg/m2) | 27.817 ± 7.300 | 28.381 ± 6.737 | 29.730 ± 7.039 | 29.880 ± 6.360 | < 0.001 |
| Income to poverty ratio | 2.736 ± 1.659 | 2.852 ± 1.684 | 2.945 ± 1.653 | 2.961 ± 1.659 | 0.004 |
| Moderate activities (%) | 0.128 | ||||
| Yes | 67.552 | 70.188 | 67.875 | 71.108 | |
| No | 32.478 | 29.812 | 32.125 | 28.892 | |
| Smoked at least 100 cigarettes in life, n (%) | 0.016 | ||||
| Yes | 37.042 | 42.720 | 43.835 | 43.067 | |
| No | 62.958 | 57.280 | 56.164 | 56.934 | |
| Diabetes, n (%) | < 0.001 | ||||
| Yes | 8.398 | 4.757 | 4.842 | 4.793 | |
| No | 91.602 | 95.243 | 95.158 | 95.207 | |
| Hypertension, n (%) | 0.008 | ||||
| Yes | 20.168 | 24.007 | 22.053 | 25.740 | |
| No | 79.832 | 75.993 | 77.947 | 74.260 | |
| ALT (U/L, mean ± SD) | 23.560 ± 17.527 | 24.611 ± 18.728 | 26.768 ± 19.367 | 28.540 ± 18.5397 | < 0.001 |
| AST (U/L, mean ± SD) | 25.362 ± 29.638 | 23.928 ± 14.428 | 24.539 ± 14.252 | 25.810 ± 14.514 | 0.073 |
| Total calcium (mg/dL, mean ± SD) | 2.322 ± 0.084 | 2.328 ± 0.079 | 2.327 ± 0.081 | 2.347 ± 0.080 | < 0.001 |
| Blood urea nitrogen (mg/dL, mean ± SD) | 4.456 ± 1.709 | 4.490 ± 1.529 | 4.600 ± 1.474 | 4.630 ± 1.373 | 0.012 |
| Serum uric acid (umol/L, mean ± SD) | 304.736 ± 77.466 | 319.171 ± 80.286 | 325.209 ± 80.402 | 336.686 ± 80.714 | < 0.001 |
| Serum phosphorus (mg/dL, mean ± SD) | 1.191 ± 0.180 | 1.167 ± 0.172 | 1.169 ± 0.179 | 1.171 ± 0.165 | 0.002 |
| Lumbar BMD (g/cm2, mean ± SD) | 1.050 ± 0.147 | 1.038 ± 0.146 | 1.026 ± 0.143 | 1.014 ± 0.140 | < 0.001 |
Notes: Mean±SD for continuous variables: the P value was calculated by the weighted linear regression model. (%) for categorical variables: the P value was calculated by the weighted chi-square test.
Abbreviation: BMD, bone mineral density.