Table 1.
Characteristics of 1697 participants stratified by medication adherence levels
| Variables | Total (n = 1697) | Medication adherence | P value | ||
|---|---|---|---|---|---|
| Low (n = 654) |
Medium (n = 704) |
High (n = 339) |
|||
| Age (years), Mean ± SD | 71.04 ± 8.56 | 72.95 ± 8.79 | 70.20 ± 8.15 | 69.08 ± 8.23 | < 0.001 |
| Sex, n (%) | 0.607 | ||||
| Male | 669 (39.4) | 255 (39.0) | 275 (39.1) | 139 (41.0) | |
| Female | 1028 (60.6) | 399 (61.0) | 429 (60.9) | 200 (59.0) | |
| Marital, n (%) | 0.004 | ||||
| Married | 1463 (86.2) | 538 (82.3) | 631 (89.6) | 294 (86.7) | |
| Single, divorced or other | 234 (13.8) | 116 (17.7) | 73 (10.4) | 45 (13.3) | |
| Living status, n (%) | 0.078 | ||||
| With others | 1560 (91.9) | 589 (90.1) | 658 (93.5) | 313 (92.3) | |
| Alone | 137 (8.1) | 65 (9.9) | 46 (6.5) | 26 (7.7) | |
| Education level, n (%) | < 0.001 | ||||
| Less than high school | 249 (14.7) | 141 (21.6) | 78 (12.1) | 30 (8.8) | |
| High school | 908 (53.5) | 343 (52.4) | 366 (56.9) | 199 (58.7) | |
| Some college and beyond | 540 (31.8) | 170 (26.0) | 199 (30.9) | 110 (32.4) | |
| Income (China Yuan), n (%) | 0.346 | ||||
| < 5000 | 1267 (74.7) | 498 (76.1) | 518 (73.6) | 251 (74.0) | |
| ≥ 5000 | 430 (25.3) | 156 (23.9) | 186 (26.4) | 88 (26.0) | |
| Duration of hypertension, n (%) | 0.140 | ||||
| 2–5 years | 358 (22.5) | 160 (24.5) | 209 (29.7) | 98 (28.9) | |
| 5–10 years | 619 (39.0) | 243 (37.2) | 254 (36.1) | 122 (36.0) | |
| ≥ 10 years | 611 (38.5) | 251 (38.4) | 241 (34.2) | 119 (35.1) | |
| Comorbidity, n (%) | 0.001 | ||||
| 1 | 370 (21.8) | 117 (17.9) | 172 (24.4) | 81 (23.9) | |
| 2 | 619 (36.5) | 229 (35.0) | 271 (38.5) | 119 (35.1) | |
| 3 | 463 (27.3) | 184 (28.1) | 183 (26.0) | 96 (28.3) | |
| ≥ 4 | 245 (14.4) | 124 (19.0) | 78 (11.1) | 43 (12.7) | |
| Medication, n (%) | < 0.001 | ||||
| 1 | 573 (33.8) | 179 (27.4) | 264 (37.5) | 130 (38.3) | |
| 2 | 576 (33.9) | 237 (36.2) | 249 (35.4) | 90 (26.5) | |
| ≥ 3 | 548 (32.3) | 238 (36.4) | 191 (27.1) | 119 (35.1) | |
| Social support, Mean ± SD | 34.88 ± 6.54 | 33.19 ± 6.21 | 35.67 ± 6.12 | 36.53 ± 7.24 | < 0.001 |
| Objective support, Mean ± SD | 8.14 ± 2.31 | 8.02 ± 2.43 | 8.16 ± 2.19 | 8.31 ± 2.31 | 0.153 |
| Subjective support, Mean ± SD | 19.07 ± 3.96 | 17.99 ± 3.57 | 19.51 ± 3.98 | 20.20 ± 4.11 | < 0.001 |
| Support utilization, Mean ± SD | 7.68 ± 2.15 | 7.18 ± 3.02 | 7.99 ± 2.10 | 8.02 ± 2.34 | < 0.001 |
| Health literacy, Mean ± SD | 105.32 ± 16.37 | 98.91 ± 18.30 | 109.68 ± 13.07 | 108.63 ± 14.57 | < 0.001 |
| Information acquisition ability, Mean ± SD | 39.63 ± 6.83 | 36.99 ± 7.90 | 41.35 ± 5.33 | 41.12 ± 5.68 | < 0.001 |
| Communication interaction ability, Mean ± SD | 39.07 ± 6.59 | 36.68 ± 7.36 | 40.63 ± 5.52 | 40.42 ± 5.62 | < 0.001 |
| Health improvement willingness, Mean ± SD | 17.53 ± 3.01 | 16.45 ± 3.32 | 18.31 ± 2.46 | 17.97 ± 2.81 | < 0.001 |
| Economic support willingness, Mean ± SD | 9.10 ± 1.35 | 8.78 ± 1.48 | 9.40 ± 1.10 | 9.12 ± 1.41 | < 0.001 |
A p-value of less than 0.05 was regarded as significant and marked as Bold