Table 4.

Linear mixed-effects regression results of logged Hispanic injection drug user population prevalence, 1992–2002

	Estimate	Standard error
Fixed effects
Intercept	4.8857*	0.0885
Years since 1992	−0.0702*	0.0061
Years since 1992 squared	0.0028*	0.0004
Random effects
Intercept variance	0.7486	0.1091
Years since 1992 variance	0.0028	0.000545
Years since 1992 squared variance	0.00468	0.001968
Residual variance	0.00664	0.000380

N = 96 metropolitan statistical areas

*p < 0.01