Table 2.
Estimated minutes spent on preventive health services and effect of covariates on visit length, by type of visit; adjusted analyses (estimate (SE))*
| Predictor variable | Preventive Visits | Chronic Visits | USPSTF Rating7 | Recommended Time6 | ||
| Estimate | Standard Error | Estimate | Standard Error | |||
| Covariates | ||||||
| Age (an increase of 10 yrs) | 0.02 | (0.02) | 0.04 | (0.01) | ||
| Gender (female) | -0.46 | (0.70) | 0.39 | (0.25) | ||
| Race | ||||||
| Black | -1.19 | (0.97) | 0.60 | (0.55) | ||
| All Other | -1.00 | (0.96) | 0.33 | (0.82) | ||
| Payment | ||||||
| Medicare | 0.95 | (1.04) | -0.33 | (0.35) | ||
| Medicaid | -0.08 | (0.87) | 0.92 | (0.68) | ||
| Other Types | -0.88 | (1.14) | -0.98 | (0.61) | ||
| New patient | 2.59 | (0.85) | 6.67 | (0.95) | ||
| Preventive services | ||||||
| Blood pressure | 2.54 | (0.91) | 1.45 | (0.62) | A | 0.25 |
| Cholesterol | 5.42 | (1.15) | 2.02 | (0.64) | A | 1.00 |
| Pap smear | 1.86 | (0.83) | 4.70 | (1.57) | A | 3.00 |
| Colon scope | 1.94 | (1.88) | 1.01 | (1.11) | A | 17.00 |
| Tobacco cessation counseling | 0.11 | (1.20) | 1.20 | (0.63) | A | 3.00 |
| Mammography | 2.54 | (1.30) | 2.87 | (1.22) | B | 1.00 |
| Nutrition counseling | 1.34 | (0.68) | -0.17 | (0.37) | B† | 8.20 |
| Prostate specific antigen | 4.90 | (1.27) | 3.91 | (0.97) | I | N/A |
| Exercise counseling | 2.89 | (0.92) | 1.43 | (0.48) | I | N/A |
* Beta coefficients for the preventive services can be interpreted as the mean amount of time spent providing that service.
† Nutrition is rated "B" only for those with documented related disorders (dyslipidemia or high BP).