Table 3.
Results from Zero-Inflated Negative Binomial Model Showing the Odds of Using Non-Provider-Based CAM and the Expected Count of Number of Non-Provider-Based CAM Types Used in the Past 12 Months*
| Non-Provider-Based CAM Types N = 19,999 | ||||||
|---|---|---|---|---|---|---|
| Odds of Using CAM | Expected Count of Number of CAM Types Used | |||||
| OR | 95% CI | p | IRR | 95% CI | p | |
| Delay due to inaccessibility | 0.91 | 0.33–2.50 | .849 | 1.49 | 1.42–1.57 | <.001 |
| Race/ethnicity† | ||||||
| White‡ | – | – | – | – | – | – |
| African American | 0.53 | 0.26–1.11 | <.10 | 0.77 | 0.72–0.83 | <.001 |
| Hispanic | 0.66 | 0.33–1.32 | .24 | 0.72 | 0.66–0.77 | <.001 |
| Asian | 1.39 | 0.21–9.23 | .73 | 0.82 | 0.75–0.90 | <.001 |
| Gender | ||||||
| Male‡ | – | – | – | – | – | – |
| Female | 3.23 | 1.75–5.95 | <.001 | 1.25 | 1.20–1.30 | <.001 |
| Age | 1.10 | 1.06–1.15 | <.001 | 1.01 | 1.01–1.01 | <.005 |
| Education | ||||||
| High school degree or less‡ | – | – | – | – | – | – |
| Some college or college degree | 4.87 | 2.14–11.11 | <.001 | 1.43 | 1.37–1.49 | <.001 |
| Advanced/graduate degree | 1.16 | 0.34–3.99 | .817 | 1.76 | 1.64–1.88 | <.001 |
| Income | 1.05 | 0.82–1.36 | .68 | 1.03 | 1.01–1.04 | <.001 |
| Health status | ||||||
| Good/very good/excellent ‡ | – | – | – | – | – | – |
| Poor/fair health | 0.37 | 0.15–0.91 | <.05 | 1.01 | 0.94–1.06 | .911 |
| Health insurance | ||||||
| Insured‡ | – | – | – | – | – | – |
| Uninsured | 0.33 | 0.16–0.66 | <.01 | 1.04 | 0.96–1.13 | .328 |
*
Data are drawn from the 2007 National Health Interview Survey and have been weighted.
†
Because of the low number of individuals from another/multiple races who used non-provider-based CAM types, another/multiple race was not included in the analysis.
‡
Reference category.
CAM, complementary and alternative medicine; CI, 95% confidence interval; IRR, incidence rate ratio.