Table 2. Comparison of the baseline characteristics between cases and controls .
| Variables | Case (n=180) | Control (n=370) | P value Trend | |
| Sex, n (%) | Male | 56 (31.1) | 203 (54.9) | <0.001¶ |
| Female | 124 (68.9) | 167 (45.1) | ||
| Age (year), n (%) | <40 | 27 (15) | 177 (47.8) | <0.001¶ |
| 50-40 | 38 (21.1) | 85 (23) | ||
| >50 | 115 (63.9) | 108 (29.2) | ||
| Marital status, n (%) | Single | 5 (2.8) | 90 (24.3) | <0.001¶ |
| Married | 162 (90) | 277 (74.9) | ||
| Divorced | 13 ( 7.2) | 3 (0.8) | ||
| Education Level, n (%) | Elementary | 105 (58.3) | 100 (27) | <0.001¶ |
| Middle school | 30 (16.7) | 60 (16.2) | ||
| High school | 35 (19.4) | 132 (35.7) | ||
| Academic | 10 (5.6) | 78 (21.1) | ||
| Family history of CVD* | Yes | 44 (24.4) | 91 (24.6) | 0.96¶ |
| No | 136 (75.6) | 279 (75.4) | ||
| Family history of hypertension | Yes | 97 (53.9) | 159 (43) | 0.02¶ |
| No | 83 (46.1) | 211 (57) | ||
| BMI(Kg/M2), mean±SD | - | 32.27±5.4 | 26.62±4.5 | <0.001¥ |
| Weight, mean±SD | - | 80.29±14.4 | 72.1±14.8 | <0.001¥ |
| Waist circumference | - | 93.95±10.1 | 83.26±10.8 | <0.001¥ |
| Hip circumference | - | 107.2±10.6 | 99.1±8.2 | <0.001¥ |
| WHR | - | 0.88±0.07 | 0.84±0.09 | <0.001¥ |
Abbreviations: BMI, Body Mass Index; WHR, Waist to the Hip circumference
*Cardiovascular Disease
¶Analyzed by Pearson chi-square test
¥Analyzed by two-sample Independent T test