Table 1 Comparison of the characteristics of the sample population grouped according to hypertension and frailty status
Variables | No hypertension and no frailty (n = 542) | Hypertension and no frailty (n = 504) | No hypertension but frailty (n = 62) | Hypertension and frailty (n = 89) | F/x2 | P-value |
|---|---|---|---|---|---|---|
Age(x ± s) | 72.5 ± 8.6 | 75.0 ± 7.6 | 82.7 ± 7.5 | 82.2 ± 6.7 | 60.976 | < 0.001 |
Gender,n(%) |  |  |  |  | 26.883 | < 0.001 |
 Men | 256(47.2) | 176(34.9) | 21(33.9) | 22(24.7) |  |  |
 Women | 286(52.8) | 328(65.1) | 41(66.1) | 67(75.3) |  |  |
Education level,n(%) |  |  |  |  | 98.233 | < 0.001 |
 Primary school | 144(26.6) | 185(36.7) | 43(69.4) | 63(70.8) |  |  |
 Junior high school | 165(30.4) | 137(27.2) | 9(14.5) | 14(15.7) |  |  |
 Senior high school or above | 233(43.0) | 182(36.1) | 10(16.1) | 12(13.5) |  |  |
Marital status,n(%) |  |  |  |  | 50.657 | < 0.001 |
 Married or cohabiting with a spouse | 406(74.9) | 340(67.5) | 28(45.2) | 39(43.8) |  |  |
 Othersa | 136(25.1) | 164(32.5) | 34(54.8) | 50(56.2) |  |  |
 ≥ 3 types of chronic diseases,n(%) | 107(19.7) | 288(57.1) | 30(48.4) | 74(83.1) | 220.981 | < 0.001 |
Types of medication,n(%) |  |  |  |  | 381.888 | < 0.001 |
 0 | 262(48.3) | 19(3.8) | 7(11.3) | 1(1.1) |  |  |
 1–3 | 269(49.6) | 412(81.7) | 48(77.4) | 57(64.0) |  |  |
 ≥ 4 | 11(2.0) | 73(14.5) | 7(11.3) | 31(34.8) |  |  |
ADL score (x ± s) | 99.7 ± 10.4 | 99.4 ± 10.3 | 74.4 ± 12.6 | 64.4 ± 13.4 | 38.830 | < 0.001 |
IADL score (x ± s) | 0.8 ± 0.3 | 1.1 ± 0.3 | 4.8 ± 1.1 | 6.1 ± 1.2 | 76.828 | < 0.001 |
MMSE score (x ± s) | 24.2 ± 3.7 | 23.2 ± 4.2 | 21.8 ± 4.5 | 19.0 ± 4.9 | 30.005 | < 0.001 |
CES-D score(x ± s) | 5.2 ± 4.5 | 6.2 ± 4.7 | 11.3 ± 5.7 | 16.7 ± 6.4 | 86.377 | < 0.001 |
FIvalue (x ± s) | 0.07 ± 0.04 | 0.10 ± 0.04 | 0.30 ± 0.07 | 0.33 ± 0.09 | 91.799 | < 0.001 |
No. of deaths,n(%) | 179(33.0) | 172(34.1) | 35(56.5) | 57(64.0) | 43.443 | < 0.001 |