Table 2.

Generalized growth mixture model results: Poisson regression coefficients for trajectories of outdoor mobility Michigan Minimum Data Set for Home Care: Detroit residents age 55+ (n = 1,188)

	Single-class model		Two-class model
	Linear	Quadratic	Class 1 (17 %) (almost never goes out)	Class 2 (83 %) (occasionally goes out)
Intercept	−.018	.004	−1.64***	.40***
Slope (visit)	−.023	−.066****	−.65	.08**
Quadratic		.099	−1.60****	−.013**
Goodness of fit	BIC = 10,046.317	BIC = 10,064.73	BIC = 9,881.576
	AIC = 10,021.714	AIC = 10,020.44	AIC = 9,832.370

BIC Bayesian Information Criterion, AIC Akaike Information Criterion

**p < .01; ***p < .001; ****p < .10 (two-tailed tests)