Table 1.
Baseline Participant Characteristics
Characteristic | Total Sample (n=385) |
Counselor Group (n =192) |
Web Group (n =193) |
P-value |
---|---|---|---|---|
Demographics | ||||
Age, mean (SE) | 62 (0.4) | 63 (0.5) | 62 (0.6) | 0.09 |
Female sex, No. (%) | 186 (48) | 102 (53) | 84 (43) | 0.06 |
Race, No. (%) | 0.49 | |||
African American | 92 (24) | 43 (22) | 49 (25) | |
White | 292 (76) | 150 (78) | 142 (74) | |
Total household income, No. (%) | 0.68 | |||
< $20,000 | 87 (23) | 39 (20) | 48 (25) | |
$20–39,999 | 112 (29) | 61 (32) | 51 (26) | |
$40–69,999 | 70 (18) | 33 (17) | 37 (19) | |
$70–99,999 | 37 (10) | 19 (10) | 18 (9) | |
$100,000 or more | 28 (7) | 12 (6) | 16 (8) | |
Currently employed full time, No. (%) | 125 (32) | 63 (33) | 62 (32) | 0.88 |
Health insurance, No. (%)a | 0.24 | |||
Commercial | 248 (64) | 125 (65) | 123 (64) | |
Medicare | 62 (16) | 35 (18) | 27 (14) | |
Medicaid | 29 (7) | 15 (8) | 14 (7) | |
No insurance | 46 (12) | 17 (9) | 29 (15) | |
Education, No. (%) | 0.68 | |||
Less than high school | 68 (18) | 37 (19) | 31 (16) | |
High school | 144 (37) | 69 (36) | 75 (39) | |
College graduate or advanced degree | 173 (45) | 86 (45) | 87 (45) | |
Less than 7–8th grade reading level, No. (%) | 53 (14) | 23 (12) | 30 (15) | 0.31 |
Risk factors for CHD, No. (%) | ||||
High blood pressure | 332 (86) | 166 (86) | 166 (86) | 0.90 |
High blood cholesterol | 326 (85) | 162 (84) | 164 (85) | 0.87 |
Current smoker | 113 (29) | 55 (29) | 58 (30) | 0.76 |
Diabetes | 236 (61) | 124 (65) | 112 (58) | 0.19 |
Medication use relevant to CHD risk reduction, No. (%) | ||||
Taking blood pressure medicine | 289 (75) | 144 (75) | 145 (75) | 0.85 |
Taking cholesterol medicine | 236 (61) | 119 (62) | 117 (61) | 0.78 |
Taking aspirin (limited to males) | 84 (42) | 38 (42) | 46 (42) | 0.99 |
Factors affecting medication and lifestyle adherence, No. (%) | ||||
Prescription drug plan | 335 (87) | 173 (90) | 162 (84) | 0.07 |
Number of medications per day | 0.27 | |||
None | 10 (3) | 6 (3) | 4 (2) | |
1–2 | 42 (11) | 18 (9) | 24 (12) | |
3–5 | 144 (37) | 69 (35) | 75 (39) | |
6–9 | 130 (34) | 74 (38) | 56 (29) | |
10 or more | 60 (16) | 26 (13) | 34 (18) | |
Living with spouse or someone like spouse | 263 (68) | 124 (65) | 139 (72) | 0.12 |
Comfort with computer | 255 (66) | 128 (67) | 127 (66) | 0.86 |
Other outcomes, mean (SE) | ||||
Framingham Risk Scoreb | 16.9 (0.3) | 16.9 (0.4) | 16.9 (0.4) | 0.60 |
Weight in kg | 96 (1.1) | 95 (1.6) | 97 (1.5) | 0.26 |
BMI, kg/m2 | 33 (0.4) | 33 (0.5) | 34 (0.5) | 0.71 |
Systolic blood pressure | 134 (0.9) | 134 (1.2) | 134 (1.3) | 0.68 |
Diastolic blood pressure | 79 (0.6) | 78 (0.7) | 80 (0.9) | 0.10 |
Total cholesterol | 194 (2.4) | 197 (3.4) | 190 (3.3) | 0.14 |
HDL-C | 41 (0.5) | 42 (0.8) | 39 (0.7) | 0.03 |
LDL-C | 122 (2.0) | 125 (2.9) | 119 (2.8) | 0.26 |
Hgb A1c | 6.9 (0.1) | 7.0 (0.1) | 6.8 (0.1) | 0.07 |
hsCRP | 4.7 (0.5) | 4.9 (0.6) | 4.6 (0.8) | 0.29 |
Fruit and vegetables servings/day | 4.1 (0.1) | 4.1 (0.1) | 4.1 (0.1) | 0.56 |
Minutes of walking per week | 77 (8.3) | 74 (11.3) | 79 (12.0) | 0.63 |
Steps per day (pedometer, n = 253) | 4691 (168.4) | 4604 (225.6) | 4776 (250.0) | 0.71 |
Morisky medication adherence scale, No. (%) | 0.75 | |||
Low adherence | 94 (27) | 49 (29) | 45 (26) | |
Medium adherence | 136 (39) | 65 (39) | 71 (40) | |
High adherence | 114 (33) | 54 (32) | 60 (34) |
Categorized as commercial if participant had commercial and other insurance
Framingham risk scores calculated as percent chance of developing angina, myocardial infarction, or coronary heart disease death over a 10 year time frame
Abbreviations: CHD, coronary heart disease; BMI, body mass index; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; Hgb A1c, hemoglobin A1c; hsCRP, high sensitivity C-reactive protein.