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| Dependent variable = Tractor overturns per 100,000 tractors | |||||||
| n = 119 counties | |||||||
| Variables | Parameter Estimate | Standard Error | t-Value | p-Value | Lower 95% CI | Upper 95% CI | Variance Inflation |
| Average percent slope of pasture land by county (for every 1% increase) | 0.85 | 0.23 | 3.8 | 0.0002 | 0.41 | 1.3 | 1.00 |
| Percent of total tractors with <40 horsepower by county (for every 1% increase) | 0.23 | 0.05 | 4.3 | <0.0001 | 0.12 | 0.34 | 1.00 |
| R-Square | 0.22 | ||||||
| Adjusted R-Square | 0.20 | ||||||
