Table 2.
Descriptive baseline characteristics by different hypertension subtypes stratifying by 2018 CHL and 2017 ACC/AHA guidelines (from CHNS data).
| 2018 CHL guideline | 2017 ACC/AHA guideline | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Normotension | SDH | ISH | IDH | Normotension | SDH | ISH | IDH | ||
| Number of participants | 18,838 | 1,293 | 884 | 1,169 | 12,434 | 3,768 | 816 | 5,166 | 22,184 |
| Age, years | 38.76 ± 14.58 | 55.47 ± 13.12 | 59.69 ± 13.67 | 44.24 ± 14.07 | 36.76 ± 13.94 | 52.79 ± 14.54 | 55.09 ± 16.63 | 39.78 ± 13.60 | 40.86 ± 15.47 |
| Age, % | |||||||||
| <65 | 17,709(94.01) | 967(74.79) | 549(62.10) | 1,076(92.04) | 11,851(95.31) | 2,960(78.56) | 555(68.01) | 4,935(95.53) | 20,301(91.51) |
| ≥65 | 1,129(5.99) | 326(25.21) | 335(37.90) | 93(7.96) | 583(4.69) | 808(21.44) | 261(31.99) | 231(4.47) | 1,883(8.49) |
| Gender, % | |||||||||
| Male | 8,137(43.19) | 730(56.46) | 414(46.83) | 728(62.28) | 4,803(38.63) | 2,068(54.88) | 403(49.39) | 2,735(52.94) | 10,009(45.12) |
| Female | 10,701(56.81) | 563(43.54) | 470(53.17) | 441(37.72) | 7,631(61.37) | 1,700(45.12) | 413(50.61) | 2,431(47.06) | 12,175(54.88) |
| Educational level, % | |||||||||
| Illiterate | 3,762(20.49) | 460(37.83) | 349(42.05) | 255(22.53) | 2,533(20.84) | 1,116(31.40) | 281(36.12) | 896(17.73) | 4,826(22.40) |
| Primary school | 3,345(18.22) | 225(18.50) | 148(17.83) | 228(20.14) | 21,77(17.91) | 660(18.57) | 154(19.79) | 955(18.90) | 39,46(18.32) |
| Middle/High school | 9,562(52.07) | 471(38.73) | 292(35.18) | 562(49.65) | 6,355(52.28) | 1,543(43.42) | 294(37.79) | 2,695(53.33) | 1,0887(50.54) |
| Bachelor or above | 1,694(9.23) | 60(4.93) | 41(4.94) | 87(7.69) | 1,091(8.97) | 235(6.61) | 49(6.30) | 507(10.03) | 1,882(8.74) |
| Marital status, % | |||||||||
| Never | 2,522(13.56) | 37(2.88) | 26(2.96) | 93(8.10) | 1,882(15.34) | 142(3.81) | 51(6.34) | 603(11.80) | 2,678(12.22) |
| Married | 16,080(86.44) | 1,249(97.12) | 851(97.04) | 1,055(91.90) | 1,0388(84.66) | 3,586(96.19) | 753(94.15) | 4,508(88.20) | 19,235(87.78) |
| Registered residence, % | |||||||||
| Urban | 7,767(41.23) | 559(43.23) | 438(49.55) | 451(38.58) | 5,033(40.48) | 1,666(44.21) | 413(50.61) | 2,103(40.71) | 9,215(41.54) |
| Rural | 11,071(58.77) | 734(56.77) | 446(50.45) | 718(61.42) | 7,401(59.52) | 2,102(55.79) | 403(49.39) | 3,063(59.29) | 12,969(58.46) |
| Self-reported health excellent/very good, % | |||||||||
| No | 12,262(65.09) | 855(66.13) | 555(62.78) | 727(62.19) | 8,500(68.36) | 2,343(62.18) | 522(63.97) | 3,034(58.73) | 14,399(64.91) |
| Yes | 3,576(34.91) | 438(33.87) | 329(37.22) | 442(37.81) | 3,934(31.64) | 1,425(37.82) | 294(36.03) | 2,132(41.27) | 7,785(35.09) |
| Smoking status, % | |||||||||
| Non-smoker | 10,011(72.03) | 735(62.24) | 565(68.82) | 561(59.43) | 6,600(75.28) | 2,188(64.75) | 477(68.34) | 2,607(65.18) | 11,872(70.48) |
| Current smoker | 3,668(26.39) | 416(35.22) | 219(26.67) | 361(38.24) | 2,064(23.54) | 1,087(32.17) | 200(28.65) | 1,313(32.82) | 4,664(27.69) |
| Ex-smoker | 219(1.58) | 30(2.54) | 37(4.51) | 22(2.33) | 103(1.17) | 104(3.08) | 21(3.01) | 80(2.00) | 308(1.83) |
| Drinking status, % | |||||||||
| Non-drinker | 9,385(67.17) | 691(58.07) | 563(67.34) | 512(54.47) | 6,219(70.57) | 2,035(59.78) | 487(68.98) | 2,410(60.01) | 1,1151(65.83) |
| Drinker | 4,588(32.83) | 499(41.93) | 273(32.66) | 428(45.53) | 2,594(29.43) | 1,369(40.22) | 219(31.02) | 1,606(39.99) | 5,788(34.17) |
| History of diseases, % | |||||||||
| CVD | 65(0.35) | 13(1.01) | 14(1.58) | 7(0.60) | 35(0.28) | 36(0.96) | 9(1.10) | 19(0.37) | 99(0.45) |
| Diabetes | 185(0.98) | 30(2.32) | 30(3.39) | 13(1.11) | 89(0.72) | 86(2.28) | 35(4.29) | 48(0.93) | 258(1.16) |
| Cancer | 67(0.36) | 1(0.08) | 5(0.57) | 1(0.09) | 39(0.31) | 10(0.27) | 10(1.23) | 15(0.29) | 74(0.33) |
| BMI, kg/m2 | 22.28 ± 3.32 | 24.45 ± 3.90 | 23.89 ± 3.80 | 23.94 ± 3.58 | 21.79 ± 2.96 | 24.16 ± 3.79 | 23.13 ± 3.58 | 23.15 ± 3.73 | 22.56 ± 3.45 |
| SBP, mmHg | 112.81 ± 11.77 | 155.00 ± 15.16 | 148.63 ± 10.28 | 127.37 ± 7.49 | 107.98 ± 10.11 | 143.12 ± 14.42 | 137.24 ± 9.37 | 118.46 ± 6.48 | 117.46 ± 16.81 |
| DBP, mmHg | 73.19 ± 8.04 | 98.14 ± 8.88 | 81.01 ± 6.32 | 92.04 ± 3.71 | 69.17 ± 6.47 | 90.00 ± 8.98 | 72.72 ± 5.90 | 82.53 ± 3.87 | 75.95 ± 10.57 |
ACC/AHA, American College of Cardiology /American Heart Association; CHL, Chinese Hypertension League Blood Pressure Guideline; IDH, Isolated diastolic hypertension.
ISH, Isolated systolic hypertension; IDH, Isolated diastolic hypertension; SDH, Systolic-diastolic hypertension.