Table 2.
Results from Zero-Inflated Negative Binomial Model Showing the Odds of Using Provider-Based CAM and the Expected Count of Number of Provider-Based CAM Types Used in the Past 12 Months*
| Provider-Based CAM Types N = 20,048 | ||||||
|---|---|---|---|---|---|---|
| Odds of Using CAM | Expected Count of Number of CAM Types Used | |||||
| OR | 95% CI | p | IRR | 95% CI | p | |
| Delay due to inaccessibility | 1.63 | 0.98–2.72 | <.10 | 1.35 | 1.15–1.60 | <.001 |
| Race/ethnicity†. | ||||||
| White‡ | – | – | – | – | – | – |
| African American | 0.18 | 0.09–0.38 | <.001 | 0.73 | 0.48–1.13 | .154 |
| Hispanic | 0.24 | 0.14–0.42 | <.001 | 0.89 | 0.66–1.19 | .431 |
| Asian | 0.85 | 0.25–2.86 | .79 | 0.67 | 0.49–0.92 | <.01 |
| Gender | ||||||
| Male‡ | – | – | – | – | – | – |
| Female | 0.64 | 0.42–0.96 | <.05 | 1.72 | 1.51–1.95 | <.001 |
| Age | 0.97 | 0.94–1.00 | <.10 | 1.01 | 0.99–1.02 | .372 |
| Education | ||||||
| High school degree or less‡ | – | – | – | – | – | – |
| Some college or college degree | 1.77 | 0.97–3.24 | <.10 | 1.46 | 1.16–1.85 | <.001 |
| Advanced/graduate degree | 2.02 | 0.46–8.92 | .351 | 1.74 | 1.23–2.46 | <.01 |
| Income | 1.39 | 1.12–1.73 | <.01 | 1.02 | 0.97–1.06 | .484 |
| Health status | ||||||
| Good/very good/excellent ‡ | – | – | – | – | – | – |
| Poor/fair health | 1.48 | 0.87–2.50 | .145 | 0.96 | 0.77–1.19 | .692 |
| Health insurance | ||||||
| Insured‡ | – | – | – | – | – | – |
| Uninsured | 0.51 | 0.32–0.82 | <.01 | 1.43 | 1.15–1.77 | <.001 |
*
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 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; OR, odds ratio.