Table 1. . Key sociodemographic and health characteristics of study patients, overall and by randomization status.
| Key characteristics | Enrolled (n = 845) | Included in 12-month analysis (n = 581) | Usual home care (n = 206) | Basic intervention (n = 189) | Augmented intervention (n = 186) |
|---|---|---|---|---|---|
|
Socio-demographic characteristics | |||||
| Age: | |||||
| – Mean age in years (SD) | 64.3 (10.9) | 64.2 (10.8) | 63.3 (10.5) | 65.1(10.4) | 64.4 (11.1) |
| – 65+ |
0.53 |
0.51 |
0.46 |
0.58† |
0.49 |
| Gender: female |
0.66 |
0.67 |
0.66 |
0.65 |
0.70 |
| Education: | |||||
| – Less than high school | 0.40 | 0.40 | 0.43 | 0.42 | 0.35†,‡ |
| – High school or more |
0.60 |
0.60 |
0.57 |
0.58 |
0.65 |
| Medicaid enrollee |
0.44 |
0.45 |
0.48 |
0.47 |
0.41 |
|
Baseline health status | |||||
| Comorbidity score, mean (SD) |
3.8 (2.8) |
3.7 (2.8) |
3.8 (3.0) |
3.6 (2.6) |
3.8 (2.6) |
| Overweight§ |
0.26 |
0.27 |
0.26 |
0.31 |
0.24 |
| Obese§ |
0.44 |
0.45 |
0.45 |
0.40 |
0.50‡ |
| Diabetes |
0.59 |
0.61 |
0.55 |
0.66† |
0.62 |
| Years with HTN dx, mean (SD) |
13.6 (12.2) |
13.6 (12.1) |
13.1 (12.0) |
14.0 (12.0) |
13.7 (12.6) |
|
Blood pressure status at baseline | |||||
| SBP, mmHg (SD) |
155.5 (20.4) |
154.8 (20.1) |
154.5 (19.1) |
155.7 (21.5) |
154.1 (19.9) |
| DBP, mmHg (SD) |
87.3 (13.0) |
87.0 (13.4) |
87.6 (13.3) |
86.5(14.3) |
87.0 (12.4) |
| JNC7-stage 2 |
0.54 |
0.53 |
0.52 |
0.56 |
0.51 |
| SBP among stage 2 (SD) |
168.4 (18.6) |
167.6 (18.8) |
166.6 (18.1) |
168.3 (20.2) |
167.9 (18.2) |
| DBP among stage 2 (SD) |
92.5 (13.2) |
93.0 (13.3) |
93.0 (13.9) |
93.0 (14.1) |
93.1 (11.9) |
| Number of HTN medications, mean (SD) | 2.27 (1.23) | 2.25 (1.20) | 2.21 (1.17) | 2.27 (1.25) | 2.28 (1.20) |
†Significantly different from usual care group at the p < 0.05 level.
‡Significantly different from basic intervention group at the p < 0.05 level.
§Height and weight were collected to calculate body mass index (BMI); overweight is defined as BMI between 25 and 30; obesity is defined as BMI >30.
DBP: Diastolic blood pressure; HTN: Hypertension; JNC7: Joint National Committee Report; SBP: Systolic blood pressure; SD: Standard deviation.