TABLE 2.
Multivariate logistic regression model of determinants of reported noncompliance with antihypertensive medication (n=509)
| Determinant compliance | Participants (n) | Reported noncompliance (n) | P | Adjusted OR | 95% CI |
|---|---|---|---|---|---|
| Study medication prescribed | |||||
| Losartan | 62 | 6 | – | 1.00 | – |
| Angiotensin-converting enzyme inhibitor | 283 | 78 | 0.023 | 3.04 | 1.17 to 7.92 |
| Calcium channel blocker | 164 | 34 | 0.091 | 2.33 | 0.87 to 6.19 |
| Beliefs concerning hypertension as a risk factor for other diseases | |||||
| A lot of effect | 172 | 32 | – | 1.00 | – |
| Some effect | 112 | 22 | 0.628 | 1.17 | 0.62 to 2.19 |
| No effect | 225 | 64 | 0.007 | 2.00 | 1.21 to 3.33 |
| Number of pills | |||||
| One or less | 203 | 56 | – | 1.00 | – |
| Two to four | 209 | 52 | 0.660 | 0.90 | 0.57 to 1.43 |
| More than four | 97 | 10 | 0.002 | 0.30 | 0.15 to 0.64 |
| Prior use | |||||
| New users | 268 | 73 | – | 1.00 | – |
| Prior discontinuers (no use in past 30 days) | 79 | 17 | 0.414 | 0.77 | 0.41 to 1.44 |
| Switchers (cause) | |||||
| Side effects with prior treatment | 67 | 12 | 0.720 | 0.87 | 0.41 to 1.85 |
| Uncontrolled blood pressure with prior treatment | 55 | 7 | 0.082 | 0.46 | 0.20 to 1.10 |
| Other | 40 | 9 | 0.878 | 0.94 | 0.41 to 2.16 |
| How much are you at risk of a stroke because of your hypertension if you do not do anything about it? | |||||
| No risk to moderate risk | 98 | 25 | – | 1.00 | – |
| High risk to very high risk | 365 | 87 | 0.558 | 1.18 | 0.69 to 2.02 |
| Do not know | 46 | 6 | 0.072 | 0.40 | 0.15 to 1.09 |