Table 3. Correlation of Plan Characteristics with Voluntary Disenrollment Rate: 1998.
| Plan Characteristic | Pearson Correlation with Voluntary Disenrollment Rate |
|---|---|
| Plan Age (Years) | -0.12 |
| Total Enrollment | -0.13 |
| Group or Staff Plan Type | -0.13 |
| Independent Practice Association Plan Type | 0.07 |
| Network Plan Type | -0.02 |
| National for-Profit | ***+.37 |
| National Not-for-Profit | *-.14 |
| Local For-Profit | -0.12 |
| Local Not-For-profit | *-.15 |
| Competitor Index | ***+.23 |
| Full NCQA Accreditation | 0.04 |
| One-Year NCQA Accreditation | 0.02 |
| Not NCQA Accredited | -0.07 |
| Average Percent of Persons in Respondent's ZIP Code Who | |
| Are Black | ***+.22 |
| Are Asian | 0.01 |
| Have a 4-Year College Degree or More Education | -0.05 |
| Are Age 65 Years or Over and Live in Poverty | 0.13 |
| Live in Poverty | 0.07 |
| Live in an Urban Area | **+.18 |
| Have a High Status Occupation | -0.02 |
*
p<0.05
**
p<0.01
***
p<0.001
NOTE: NCQA is National Committee for Quality Assurance.
SOURCES: (InterStudy® 1998); Centers for Medicare & Medicaid Services: Data from the Health Plan Voluntary Disenrollment Data File; and the Group Health Plan Provider file, 1998; (U.S. Bureau of the Census, 1990).