Table 1.
Selected characteristics of study participants.
| Variables | Cases (n = 1273) | Controls (n = 1273) | P value | ||
|---|---|---|---|---|---|
| % | Mean (SD) | % | Mean (SD) | ||
| Sex (Male) | 70.60 | 70.60 | 1.00 | ||
| Income (RMB/Mon) | <0.05 | ||||
| <2000 | 53.18 | 41.48 | |||
| ≥2000 | |||||
| Marriage (Married) | 91.28 | 86.57 | <0.001 | ||
| Education | 0.007 | ||||
| ≤6 years | 65.32 | 59.48 | |||
| ≤9 years | 12.78 | 13.85 | |||
| >9 years | 21.90 | 26.67 | |||
| Smoking (Yes) | 29.54 | 22.78 | <0.001 | ||
| Light alcohol drinking (Yes) | 26.79 | 21.37 | 0.001 | ||
| Physical activity (Yes) | 54.05 | 54.75 | |||
| Age (years) | 45.81 ± 11.95 | 45.19 ± 12.23 | 0.194 | ||
| AST (IU/L) | 25.26 ± 14.76 | 23.48 ± 23.02 | 0.002 | ||
| ALT (IU/L) | 33.74 ± 29.29 | 25.12 ± 51.08 | 0.001 | ||
| TC (mmol/L) | 5.32 ± 0.97 | 5.08 ± 1.06 | 0.001 | ||
| TG (mmol/L) | 2.00 ± 1.31 | 1.33 ± 0.91 | 0.001 | ||
| FPG (mmol/L) | 5.89 ± 7.07 | 5.36 ± 1.16 | 0.009 | ||
| HDL-c (mmol/L) | 1.29 ± 0.41 | 1.44 ± 0.51 | 0.001 | ||
| LDL-c (mmol/L) | 3.66 ± 3.80 | 3.62 ± 4.46 | 0.797 | ||
| SBP (mmHg) | 126.34 ± 13.67 | 118.94 ± 12.89 | 0.001 | ||
| DBP (mmHg) | 81.78 ± 10.06 | 77.35 ± 26.60 | 0.001 | ||
| BMI (kg/m2) | 25.24 ± 2.81 | 22.34 ± 2.41 | 0.001 | ||
| ApoA1 (mmol/L) | 1.25 ± 0.48 | 1.29 ± 0.19 | 0.005 | ||
| ApoB (mmol/L) | 1.02 ± 0.21 | 0.95 ± 0.22 | 0.005 | ||
| UA (mmol/L) | 376.31 ± 87.12 | 333.16 ± 82.93 | 0.001 | ||
| Dietary | |||||
| Total energy (kcal/day) | 1631.54 ± 486.74 | 1596.69 ± 487.74 | 0.071 | ||
| Total fat (mg/day) | 46.65 ± 20.94 | 43.99 ± 21.22 | 0.001 | ||
| Dietary calcium (mg/day) | 406.79 ± 159.74 | 409.71 ± 156.45 | 0.640 | ||
Continuous variables are expressed as the mean (SD); categorical variables are expressed as percentages; n: number of individuals; SD: standard deviation.
a: obtained by the Pearson Chi-square test; b: obtained by independent samples t-tests.