Table 1.
Descriptive statistics for predictors used in initial engagement analysis
| Variable | Not initially engaged N=38,078 | Initially engaged N=1784 |
|---|---|---|
| Age** | Mean=56.1 years | Mean=57.1 years |
| Median=60.0 years | Median=61.0 years | |
| SD=11.3 years | SD=10.1 years | |
| Range 31–69 | Range 22–69 | |
| Male*** | 35,936 (94.4 %) | 1624 (91.0 %) |
| Race | 10,288 (27.0 %) white | 472 (26.5 %) white |
| 1344 (3.5 %) black or African-American | 84 (4.7 %) black or African-American | |
| 2082 (5.5 %) other | 94 (5.3 %) other | |
| Missing=24,634 | Missing=1134 | |
| Hispanic*** | 439 (1.1 %) Hispanic | 85 (4.7 %) Hispanic |
| Missing=3029 | Missing=85 | |
| Married | 20,430 (53.6 %) | 956 (53.6 %) |
| Service connection*** | 17,896 (47.0 %) | 931 (52.2 %) |
| Distance between residence and primary care clinic*** | Mean=13.5 miles | Mean=11.2 miles |
| Median=9.9 miles | Median=7.9 miles | |
| SD=13.3 miles | SD=12.3 11.93 miles | |
| Range 0–85 miles | Range 0–84.4 | |
| Body mass index*** | Mean=31.9 kg/m2 | Mean=35.7 kg/m2 |
| Median=30.7 kg/m2 | Median=34.6 kg/m2 | |
| SD=5.3 kg/m2 | SD=6.5 kg/m2 | |
| Range 25–84 kg/m2 | Range 25–81 kg/m2 | |
| High blood pressure* | 32,920 (86.5 %) | 1575 (88.3 %) |
| Tobacco use*** | 13,669 (35.9 %) current tobacco user | 439 (24.6 %) current tobacco user |
| 13,326 (35.0 %) non-tobacco user | 787 (44.1 %) non-tobacco user | |
| 11,083 (29.1 %) unknown | 11,641 (31.3 %) unknown | |
| Pain score | Mean=2.9 | Mean=2.2 |
| Median=0 | Median=0 | |
| SD=2.89 | SD=2.9 | |
| Range 0–10 | Range 0–10 |
The pain score ranges from 0 (no pain) to 10 (worst pain)
*p<.05, **p<.01, ***p<.001