Table 3.

Spatial error and significance, social effect and significance, and additional environmental variables that affect shigellosis rates.

Year	Spatial Error	Significance	Social Effect	Significance	Other Variables
1983	0.52	**	−0.02		Road *
1984	0.60	**	0.03		Tubewell*
1985	0.43	**	−0.01		Road*
1986	0.49	**	−0.01
1987	0.42	**	0.02	**
1988	0.44	**	0.02
1989	0.55	**	0.02	**	Road*
1990	0.38	**	−0.01
1991	0.49	**	−0.02		Road*, Pond*
1992	0.40	**	0.00
1993	0.46	**	0.21	**
1994	0.42	**	−0.01
1995	0.51	**	−0.01
1996	0.46	**	0.00		Road*
1997	0.40	**	0.06	**
1998	0.45	**	−0.01
1999	0.41	**	0.00
2000	0.44	**	0.02	**
2001	0.39	**	0.39	**
2002	0.51	**	0.00
2003	0.59	**	0.00

^**p=<0.01;

^*p=<0.05