Table 2.
Patient characteristics at baseline by study arm (pair-matched control and intervention practices; N = 4)
| Patient Characteristics | Control (N = 98) |
Intervention (N = 102) |
Significance (P) |
|---|---|---|---|
| Mean age (years) | 59.9±10 a | 60.4±11 a | 0.36 (t Stat) |
| Ratio of female patients | 65% | 72% | 0.07 (Chi2) |
| Ratio of non-Caucasian minorities | 8% | 5% | 0.07 (Chi2) |
| Ratio of married patients | 73% | 67% | 0.20 (Chi2) |
| Ratio of patients with at least high school education | 94% | 95% | 0.52 (Chi2) |
| Household income less than $40K per year | 9% | 12% | 0.22 (Chi2) |
| Average number of chronic conditions per patient | 2.7 | 3.2 | 0.06 (Chi2) |
| Ratio of active smokers | 11% | 15% | 0.20 (Chi2) |
| Mean Body-Mass-Index (kg/m2) | 30.1±7 a | 30.8±6 a | 0.23 (t Stat) |
| Self-rated overall health (0 to 4 scale) | 2.76±0.8 a | 2.61±0.8 a | 0.12 (t Stat) |
| Self-rated satisfaction with life (1–10 scale) | 7.57±2.1 a | 7.48±1.9 a | 0.32 (t Stat) |
| Average number of office visits per patient per year | 3.4 | 4.95 | <0.001 (Chi2) |
(a) Given as Mean ± S.D.