TABLE 4.
Coefficients from Ordinary Least Squares Regression Models Predicting Urban-Rural Continuum Differences in Fatal Drug Poisoning Rates, 1999–2020
| Overall (1999–2020) | Wave 1 (1999–2010) | Wave 2 (2011–2015) | Waves 3 and 4 (2016–2020) | |||||
|---|---|---|---|---|---|---|---|---|
| Avg. Diff. in Rate | Pr > |t| | Avg. Diff. in Rate | Pr > |t| | Avg. Diff. in Rate | Pr > |t| | Avg. Diff. in Rate | Pr > |t| | |
| Intercept (ref = nonmetro noncore) | 12.75 | <.001 | 9.24 | <.001 | 14.94 | <.001 | 19.00 | <.001 |
| Large central metro | 0.74 | .676 | 0.91 | .438 | −1.78 | .043 | 2.84 | .192 |
| Large fringe metro | 0.47 | .788 | −0.56 | .633 | −0.82 | .337 | 4.24 | .057 |
| Medium metro | 2.16 | .220 | 1.31 | .265 | 0.58 | .492 | 5.80 | .011 |
| Small metro | 0.50 | .778 | −0.07 | .955 | 0.02 | .981 | 2.32 | .284 |
| Nonmetro micropolitan | 0.84 | .633 | 0.15 | .898 | 0.50 | .553 | 2.84 | .192 |
NOTE: Rates are age-adjusted. Coefficients represent the average difference in the fatal drug poisoning rate (deaths per 100,000 population) over the period identified at the top of the column. Nonmetro noncore is the reference category.