Characteristics of participants in the CHinese Electronic health Records Research in Yinzhou (CHERRY) Study, by sex
Men | Women | Overall | ||||
n=512 043 | % having at least one measurement | n=541 522 | % having at least one measurement | n=1053 565 | % having at least one measurement | |
Age at first registration (years) | 40.17±15.17 | 100% | 39.24±15.56 | 100% | 39.69±15.38 | 100% |
Region (n (%)) | 98.93% | 98.45% | 98.68% | |||
Rural | 354 524 (69.99%) | 364 120 (68.30%) | 718 644 (69.12%) | |||
Urban | 152 038 (30.01%) | 169 017 (31.70%) | 321 055 (30.88%) | |||
Education (n (%)) | 79.05% | 79.10% | 79.07% | |||
Junior high school or lower | 324 438 (80.16%) | 352 534 (82.30%) | 676 972 (81.26%) | |||
Senior high school or higher | 80 307 (19.84%) | 75 801 (17.70%) | 156 108 (18.74%) | |||
Smoking status (n (%)) | 88.79% | 85.60% | 87.15% | |||
Never smoker | 271 870 (59.80%) | 440 834 (95.11%) | 712 704 (77.62%) | |||
Former smoker | 23 099 (5.08%) | 2828 (0.61%) | 25 927 (2.82%) | |||
Current smoker | 159 664 (35.12%) | 19 861 (4.28%) | 179 525 (19.55%) | |||
Alcohol use (n (%)) | 88.74% | 85.57% | 87.11% | |||
≥3 days per week | 87 064 (19.16%) | 3608 (0.78%) | 90 672 (9.88%) | |||
<3 days per week | 43 811 (9.64%) | 3713 (0.80%) | 47 524 (5.18%) | |||
Never drinker | 323 518 (71.20%) | 456 059 (98.42%) | 779 577 (84.94%) | |||
Body mass index (BMI) (kg/m2) | 22.71±2.32 | 86.97% | 22.25±2.57 | 84.06% | 22.47±2.46 | 85.47% |
Systolic blood pressure (mm Hg) | 128.09±14.56 | 41.37% | 126.16±15.11 | 40.53% | 127.11±14.87 | 40.94% |
Diastolic blood pressure (mm Hg) | 79.89±9.76 | 41.35% | 78.13±10.02 | 40.52% | 79.00±9.93 | 40.93% |