Table 1 Baseline characteristics by age and stage of hypertension
|  | Aged 60–69 | Aged 70–85 | ||||
|---|---|---|---|---|---|---|
Stage1 hypertension N = 31,789 | Stage2 hypertension N = 21,401 | Stage3 hypertension N = 9,166 | Stage1 hypertension N = 32,430 | Stage2 hypertension N = 21,508 | Stage3 hypertension N = 9,684 | |
Man(n%) | 14,677(46.17) | 10,921(51.03) | 4873(53.16) | 14,064(43.37) | 9956(46.29) | 4400(45.44) |
Age | 64.3(4.9) | 64.2(5.0) | 64.2(4.9) | 75.9(6.5) | 76.1(6.5) | 76.1(6.6) |
Follow-up Person years | 9.7(4.2) | 9.1(4.6) | 9.5(4.6) | 8.3(5.2) | 7.7(5.3) | 7.6(5.6) |
BMI | 23.9(3.7) | 24.2(3.7) | 24.4(4.0) | 23.2(4.0) | 23.4(3.9) | 23.7(4.3) |
 BMI < 18.5 | 1119(2.47) | 631(2.09) | 301(2.29) | 1079(5.72) | 662(5.22) | 306(5.36) |
 18.5 ≤ BMI < 25 | 29,443(64.93) | 18,475(61.14) | 7554(57.46) | 13,146(69.66) | 8536(67.26) | 3630(63.64) |
 25 ≤ BMI < 30 | 13,358(29.46) | 9905(32.78) | 4635(35.26) | 4202(22.27) | 3110(24.51) | 1563(27.40) |
 BMI ≥ 30 | 1427(3.15) | 1207(3.99) | 656(4.99) | 445(2.36) | 383(3.02) | 205(3.59) |
Diabetes(n%) | 1476(4.64) | 1268(5.92) | 664(7.24) | 756(2.33) | 626(2.91) | 358(3.70) |
Smoking(n%) | 5773(18.16) | 4745(22.17) | 2329(25.41) | 3864(11.91) | 2889(13.43) | 1423(14.69) |
Drinking(n%) | 6104(19.20) | 4683(21.88) | 2091(22.81) | 4189(12.92) | 3020(14.04) | 1319(13.62) |
Rarely exercise(n%) | 8577(26.98) | 5688(26.58) | 2529(27.59) | 11,381(35.09) | 7641(35.53) | 3534(36.49) |
Occasional exercise(n%) | 14,744(46.38) | 9937(46.43) | 3915(42.71) | 13,282(40.96) | 8645(40.19) | 3597(37.14) |
Regular Exercise(n%) | 8468(26.64) | 5776(26.99) | 2722(29.70) | 7767(23.95) | 5222(24.28) | 2553(26.36) |
family history of diabetes(n%) | 1,892(4.2) | 1,584(5.2) | 829(6.3) | 340(1.8) | 310(2.4) | 193(3.4) |
family history of stroke(n%) | 652(2.05) | 639(2.99) | 431(4.70) | 324(1.00) | 288(1.34) | 229(2.36) |
family history of CVD(n%) | 678(2.13) | 713(3.33) | 435(4.75) | 369(1.14) | 358(1.66) | 307(3.17) |
family history of HBP(n%) | 12,279(38.63) | 9840(45.98) | 4776(52.11) | 7337(22.62) | 5630(26.18) | 3110(32.11) |
All-cause mortality(n%) | 2759(8.68) | 1838(8.59) | 1064(11.61) | 11,419(35.21) | 7444(34.61) | 3726(38.48) |
CVD mortality(n%) | 916(2.88) | 637(2.98) | 457(4.99) | 5506(16.98) | 3685(17.13) | 1963(20.27) |