Table 1. Characteristics of the patients at baseline.
| Variable | LEARN | LEARN + Reinforcement | Statistic (d.f.) | p value |
|---|---|---|---|---|
| N | 28 | 28 | ||
| Age (years) | 45.1 (10.2) | 46.2 (10.7) | t (54) = -0.41 | .69 |
| Female, n (%) | 25 (89.3) | 24 (85.7) | χ2 (1) = 0.16 | .69 |
| Ethnicity, n (%) | χ2 (1) = 0.35 | .55 | ||
| Hispanic | 1 (3.6) | 2 (7.1) | ||
| Non-Hispanic | 27 (96.4) | 26 (92.9) | ||
| Race, n (%) | χ2 (4) = 2.11 | .72 | ||
| African American | 2 (7.1) | 3 (10.7) | ||
| European American | 23 (82.1) | 19 (67.9) | ||
| Hawaiian/Pacific Islander | 0 (0.0) | 1 (3.6) | ||
| Asian American | 1 (3.6) | 2 (7.1) | ||
| Other/unknown | 2 (7.1) | 3 (10.7) | ||
| Education, n (%) | χ2 (3) = 6.09 | .11 | ||
| High school only | 5 (17.9) | 11 (39.3) | ||
| Some college | 13 (46.4) | 5 (17.9) | ||
| College graduate | 6 (21.4) | 8 (28.6) | ||
| Master's or higher | 4 (14.3) | 4 (14.3) | ||
| Height, cm | 163.1 (7.0) | 163.5 (7.8) | t (54) = -0.21 | .84 |
| Weight, kg | 91.0 (12.1) | 91.4 (12.2) | t (54) = -0.14 | .89 |
| BMI (kg/m2) | 34.1 (3.1) | 34.1 (2.9) | t (54) = 0.02 | .98 |
| Waist circumference, cm | 104.3 (9.5) | 105.2 (10.6) | t (54) = -0.33 | .74 |
| Cholesterol (mg/dl) | 197.9 (36.4) | 209.2 (41.6) | t (54) = -1.08 | .29 |
| HDL (mg/dl) | 51.8 (14.5) | 53.6 (13.3) | t (54) = -0.51 | .61 |
| LDL (mg/dl) | 118.1 (32.3) | 128.3 (36.4) | t (54) = -1.10 | .28 |
| Triglycerides (mg/dl) | 140.9 (100.2) | 136.4 (80.5) | t (54) = 0.19 | .85 |
| Glucose (mg/dl) | 91.0 (10.1) | 93.9 (16.6) | t (54) = -0.77 | .45 |
| 24-hour systolic BP (mmHg) | 125.9 (13.9) | 129.9 (13.2) | t (54) = -1.09 | .28 |
| 24-hour diastolic BP (mmHg) | 73.8 (9.1) | 75.9 (7.8) | t (54) = -0.93 | .36 |
| 24-hour heart rate (beats/min) | 76.0 (8.4) | 75.4 (6.6) | t (54) = 0.30 | .76 |
Values represent means (standard deviations) unless otherwise indicated.