Table 3.

Results of fitting multilevel-growth models to schistosomiasis RIR in 4379 villages in the 30 most endemic counties, Hubei Province, China.

	Unconditional Means (Empty Model)	Unconditional Growth	Adding a Village-Level Covariate	Assessing Cross-Level Interactions
Fixed Effects
Initial Status (${\widehat{\gamma }}_{00}$)	1.374	2.252	2.505	3.418
Year (Rate of Change) (${\widehat{\gamma }}_{10}$)		−0.351	−0.351	−0.537
Areal-type (Effect of areal-type on initial status) (${\widehat{\gamma }}_{01}$)			−0.194	−0.896
Areal-type (Effect of areal-type on rate of Change) (${\widehat{\gamma }}_{11}$)				0.143
Random Effects
Level 1 (within village)
Residual (${\hat{\mathsf{\sigma }}}^2$)	1.275	0.337	0.337	0.337
Level 2 (between village)
Village Mean Initial Status (${\hat{\mathsf{\sigma }}}_{𝓊0}^2$)	1.045	4.142	4.013	3.809
Village Mean Rate of Change (${\hat{\mathsf{\sigma }}}_{𝓊1}^2$)		0.145	0.145	0.136
Rate of change covariance (${\hat{\mathsf{\sigma }}}_{𝓊01}^2$)		−0.769	−0.758	−0.716
Fit Statistics
−2LL	88,737.3	61,858.3	61,586.1	61,354.3
AIC	88,743.3	61,870.3	61,600.1	61,370.3
BIC	88,762.4	61,908.6	61,644.8	61,421.4