Table 1.
Baseline Characteristics (n = 28).
| Characteristics | Control (n = 15) | Intervention (n = 13) | P a |
|---|---|---|---|
| Age (years), mean ± SD | 62.8 ± 13.0 | 57.8 ± 9.9 | .27 |
| Male gender, n (%) | 6 (40%) | 6 (46.2%) | .75 |
| Race, n (%) | .78 | ||
| White | 9 (60%) | 9 (69.2%) | |
| Black | 5 (33.3%) | 3 (23.1%) | |
| Other | 1 (6.7%) | 1 (7.7%) | |
| Married, n (%) | 4 (26.7%) | 5 (38.5%) | .52 |
| Education status, n (%) | .75 | ||
| Less than high school | 1 (6.7%) | 0 | |
| High school | 8 (53.3%) | 7 (53.8%) | |
| Some college/completed college | 6 (40%) | 6 (46.2%) | |
| Employment status, n (%) | .68 | ||
| Employed | 2 (13.3%) | 2 (15.4%) | |
| Out of work | 2 (13.3%) | 3 (23.1%) | |
| Retired | 6 (40%) | 3 (23.1%) | |
| Disabled | 4 (26.7%) | 5 (38.5%) | |
| Other | 1 (6.7%) | 0 | |
| Comorbid conditions | |||
| Body mass index, mean ± SD | 31.2 ± 7.1 | 32.6 ± 7.5 | .61 |
| Current tobacco use, n (%) | 6 (40%) | 4 (30.8%) | .79 |
| Asthma, n (%) | 5 (33.3%) | 3 (23.1%) | .57 |
| Arthritis, n (%) | 10 (66.7%) | 10 (76.9%) | .57 |
| Diabetes, n (%) | 2 (13.3%) | 6 (46.2%) | .07 |
| “Heart trouble,” n (%) | 4 (26.7%) | 2 (15.4%) | .49 |
| Stroke, n (%) | 1 (6.7%) | 1 (7.7%) | .88 |
| Systolic blood pressure (mm Hg), mean ± SD | 142.9 ± 19.7 | 132.2 ± 25.2 | .22 |
| Diastolic blood pressure (mm Hg), mean ± SD | 84.0 ± 11.8 | 84.7 ± 10.8 | .87 |
| Blood pressure medications, mean ± SD | 2.3 ± 1.2 | 2.2 ± 1.1 | .82 |
| Adherence measures | |||
| Medication possession ratiob for all blood pressure medications, mean ± SD | 92.7 ± 6.8 | 89.1 ± 9.8 | .27 |
| Cap adherencec, mean ± SD | 55.1 ± 27.3 | 60.7 ± 33.0 | .63 |
| MMAS-8 scored, mean ± SD | 5.7 ± 1.3 | 6.2 ± 1.1 | .29 |
a
Calculated using χ2 test, Fisher’s exact test, or student’s t test, as appropriate.
b
Medication possession ratio (MPR) refers to the proportion of days that a patient had blood pressure medication available to take during the 6 months prior to study enrollment (based on prescription refill records).
c
Cap adherence refers to the proportion of time that a patient takes his or her medication at their specified dosing time; measured from cap-opening data.