Table 1. Patient Baseline Characteristics.
| Mean (sd) or No. (%) | Mean (sd) or No. (%) | ||
|---|---|---|---|
| All (N=450) | Telemonitoring Intervention (n=228) | Usual Care (n=222) | |
| Age, mean (sd) | 61.1 (12.0) | 62.0 (11.7) | 60.2 (12.2) |
| Women | 201 (44.7) | 103 (45.2) | 98 (44.1) |
| Race/Ethnicity | |||
| White | 368 (81.8) | 191 (83.8) | 177 (79.7) |
| Black | 53 (11.8) | 24 (10.5) | 29 (13.1) |
| Asian | 7 (1.6) | 4 (1.8) | 3 (1.4) |
| Other (American Indian, Mixed, Other) | 22 (4.9) | 9 (4.0) | 13 (5.9) |
| Hispanic ethnicity | 10 (2.2) | 1 (0.4) | 9 (4.1) |
| Education a | |||
| <= High school or GED | 76 (17.4) | 36 (16.3) | 40 (18.6) |
| Some college or technical school | 151 (34.6) | 72 (32.6) | 79 (36.7) |
| 4 year college degree | 82 (18.8) | 46 (20.8) | 36 (16.7) |
| > 4 year college degree | 127 (29.1) | 67 (30.3) | 60 (27.9) |
| Paid work status a | |||
| Full time | 176 (40.5) | 86 (38.9) | 90 (42.1) |
| Part time | 53 (12.2) | 28 (12.7) | 25 (11.7) |
| Not working | 43 (9.9) | 20 (9.1) | 23 (10.8) |
| Retired | 163 (37.5) | 87 (39.4) | 76 (35.5) |
| Relationship status a | |||
| Married, living together | 301 (69.2) | 160 (72.4) | 141 (65.9) |
| Household income a | |||
| <$30,000 | 65 (17.0) | 34 (18.2) | 31 (15.9) |
| $30-49,999 | 63 (16.5) | 27 (14.4) | 36 (18.5) |
| $50-99,999 | 150 (39.3) | 69 (36.9) | 81 (41.5) |
| >=$100,000 | 104 (27.2) | 57 (30.5) | 47 (24.1) |
| Body mass index a | |||
| Normal (18.5-24.9) | 66 (14.9) | 36 (16.1) | 30 (13.6) |
| Overweight (25–29.9) | 137 (30.9) | 71 (31.7) | 66 (30.0) |
| Obese (>=30) | 241 (54.3) | 117 (52.2) | 124 (56.4) |
| Smoked in last 30 days a | 49 (11.0) | 24 (10.7) | 25 (11.4) |
| Comorbidities affecting BP goal | |||
| Diabetes | 86 (19.1) | 46 (20.2) | 40 (18.0) |
| Chronic kidney disease | 84 (18.6) | 47 (20.6) | 37 (16.7) |
| Diabetes or chronic kidney disease | 146 (32.4) | 81 (35.5) | 65 (29.3) |
| Previous history of cardiovascular disease † | 43 (9.6) | 23 (10.1) | 20 (9.0) |
| eGFR (CKD Epi equation) <60 ml/min/1.73m2 a | 71 (15.9) | 39 (17.1) | 32 (14.6) |
| Urine albumin creatinine ratio >=30 mg/g creatinine a | 88 (19.6) | 46 (20.2) | 42 (19.1) |
| Received medical care for hypertension in past 12 months a | 279 (63.3) | 151 (67.4) | 128 (59.0) |
| Antihypertensive medication classes | |||
| 0 | 118 (26.2) | 54 (23.7) | 64 (28.8) |
| 1 | 116 (25.8) | 56 (24.6) | 60 (27.0) |
| 2 | 115 (25.6) | 63 (27.6) | 52 (23.4) |
| 3 | 78 (17.3) | 42 (18.4) | 36 (16.2) |
| 4+ | 23 (5.1) | 13 (5.7) | 10 (4.5) |
| Antihypertensive medication classes, mean (sd) | 1.5 (1.2) | 1.6 (1.2) | 1.4 (1.2) |
| Systolic BP, mm Hg, mean (sd) | 147.9 (13.0) | 148.2 (12.9) | 147.7 (13.2) |
| Diastolic BP, mm Hg, mean (sd) | 84.7 (11.6) | 84.5 (11.7) | 84.9 (11.5) |
Abbreviations: sd, standard deviation; BP, blood pressure; eGFR, estimated glomerular filtration rate
†
ever had a heart attack, stroke, heart bypass surgery, or cardiac stent/balloon angioplasty
a
Missing data for 2-18 patients