Table 4.
Factors associated with switching of beta-blockers (N = 19,177, r2 = 0
| No. | % | Adjusted odds ratios (95% C.I.) |
p | |
|---|---|---|---|---|
| Age | ||||
| < 50 | 158 | 3.0 | 1.00 (reference) | |
| 50-59 | 229 | 3.9 | 1.38 (1.12-1.70) | 0.002 |
| 60-69 | 171 | 4.4 | 1.63 (1.30-2.04) | < 0.001 |
| ≥ 70 | 205 | 5.0 | 1.82 (1.46-2.26) | < 0.001 |
| Gender | ||||
| Female | 275 | 2.3 | 1.00 (reference) | |
| Male | 488 | 6.8 | 0.89 (0.76-1.03) | 0.125 |
| Payment status | ||||
| Fee waivers | 199 | 3.9 | 1.00 (reference) | |
| Fee payers | 564 | 4.0 | 1.02 (0.87-1.21) | 0.792 |
| Service type | ||||
| GOPC | 701 | 4.1 | 1.00 (reference) | |
| FMSC | 59 | 3.5 | 0.97 (0.73-1.28) | 0.817 |
| Staff clinic | 3 | 1.7 | 0.47 (0.15-1.48) | 0.196 |
| District of residence | ||||
| Shatin | 357 | 4.0 | 1.00 (reference) | |
| Taipo | 177 | 3.8 | 0.95 (0.79-1.15) | 0.606 |
| North | 186 | 4.4 | 1.07 (0.88-1.29) | 0.505 |
| Others | 43 | 3.2 | 0.82 (0.59-1.13) | 0.223 |
| Visit type | ||||
| New | 570 | 4.8 | 1.00 (reference) | |
| Old | 193 | 2.6 | 0.57 (0.48-0.68) | < 0.001 |
| Comorbidities | ||||
| 0 | 630 | 3.9 | 1.00 (reference) | |
| 1 | 114 | 4.1 | 1.17 (0.95-1.45) | 0.150 |
| ≥ 2 | 19 | 4.2 | 1.23 (0.76-2.00) | 0.396 |
GOPC: General Out-patient Clinic; FMSC: Family Medicine Specialist Clinic; CCB: Calcium Channel Blockers; RAS: Drugs acting on the rennin-angiotensin system. %: represents the percentages of patients with drugs discontinued.