Table 1.
Intervention (n = 613) | Control (n = 557) | P-value for two-sample t test | |
---|---|---|---|
Percent male | 64% (48%) | 59% (49%) | 0.09 |
Mean age in years | 64 (12) | 65 (11) | 0.54 |
White | 87% (33%) | 91% (29%) | 0.09 |
African American | 5% (22%) | 4% (19%) | 0.21 |
Hispanic | 2% (12%) | 1% (12%) | 0.91 |
At least high school education | 42% (49%) | 47% (50%) | 0.07 |
Income less than $30,000 | 41% (49%) | 46% (50%) | 0.23 |
Insured | 91% (28%) | 93% (26%) | 0.42 |
Health maintenance organization | 32% (47%) | 26% (44%) | 0.04 |
Smoker | 55% (50%) | 58% (49%) | 0.28 |
Duration diabetes in years | 7.7 (7.5) | 8.2 (8.2) | 0.26 |
Comorbidity Weighted Score | 0.943 (97) | 0.962 (96) | 0.73 |
Mean systolic blood pressure (mmHg) | 138 (16) | 139 (14) | 0.33 |
Total chol/HDL ratio† | 4.6 (1.4) | 4.7 (1.5) | 0.08 |
Mean LDL cholesterol | 111 (41) | 115 (38) | 0.14 |
Mean HbA1c†† | 7.9 (1.8) | 7.7 (1.6) | 0.02 |
UKPDS 10-year risk score | 30.7% (21%) | 31.0% (21%) | 0.86 |
*Characteristics shown above are based on comparisons including imputed data. Standard deviation is noted in parentheses.
†Log total chol/HDL is the log of the ratio of total serum cholesterol divided by the high-density lipoprotein level.
††HbA1c is the glycosylated hemoglobin.