Table 2

Estimated fatal occupational injury rate per 100000 worker years in 1980 and estimated annual rate of change 1980–96 by geographic region and cause of death

	All injuries			Unintentional injuries			Homicide
	1980 rate*	Annual % change*	95% CI†	1980 rate	Annual % change	95% CI	1980 rate	Annual % change	95% CI
*Estimated from the Poisson regression model log(rate) = β₀ + β₁ (year); 1980 rate = 100000[exp(β₀)]; annual percent change = 100[exp(β₁)−1].
†95% confidence interval (CI) for annual % change.
Northeast	2.57	−0.62	−1.01 to −0.23	2.40	−1.93	−2.35 to −1.51	0.22	6.78	5.68 to 7.89
Midwest	5.01	−2.76	−3.05 to −2.47	4.46	−2.81	−3.11 to −2.50	0.55	−2.43	−3.27 to −1.58
South	7.81	−3.76	−3.96 to −3.55	6.76	−4.14	−4.37 to −3.92	1.07	−1.73	−2.23 to −1.23
West	6.94	−4.64	−4.92 to −4.36	6.04	−5.03	−5.33 to −4.73	0.91	−2.52	−3.22 to −1.81