Detecting spatiotemporal clusters of accidental poisoning mortality among Texas counties, U.S., 1980 – 2001

Table 3 Statistically significant spatiotemporal clusters of accidental poisoning mortality in Texas by gender and race/ethnicity

Cluster	Time Period	No. of Observed Cases	Annual age-adjusted rate (per 100,000)	Relative Risk	p-value
All populations
Primary cluster	1998–2001	1095	5.7	2.056	0.001
Secondary cluster 1	1985–2001	637	6.8	2.448	0.001
Secondary cluster 2	1995–2001	1419	4.5	1.598	0.001
Secondary cluster 3	1995–2001	886	4.6	1.661	0.001
All Males
Primary cluster	1985–2001	575	10.9	2.744	0.001
Secondary cluster 1	1995–2001	960	6.8	1.711	0.001
Secondary cluster 2	1998–2001	685	7.4	1.863	0.001
Secondary cluster 3	1994–2001	704	6.4	1.620	0.001
All Females
Primary cluster	1997–2001	456	3.9	2.371	0.001
Secondary cluster 1	1996–2001	387	2.8	1.751	0.001
Secondary cluster 2	1997–2001	207	2.9	1.786	0.001
White Population
Primary cluster	1998–2001	785	7.4	2.480	0.001
Secondary cluster 1	1996–2001	886	5.2	1.743	0.001
Secondary cluster 2	1995–2001	598	4.8	1.601	0.001
White Males
Primary cluster	1998–2001	482	9.3	2.273	0.001
Secondary cluster 1	1995–2001	697	7.2	1.768	0.001
Secondary cluster 2	1994–2001	621	6.2	1.509	0.001
White Females
Primary cluster	1998–2001	300	5.6	2.940	0.001
Black Population
Primary cluster	1993–2001	345	6.3	1.800	0.001
Black Males
Primary cluster	1993–2001	236	9.1	1.867	0.001
Black Females
Primary cluster	1996–1998	2	2338.7	1048.700	0.033
Hispanic Population
Primary cluster	1985–2001	467	6.0	2.730	0.001
Secondary cluster 1	1994–2001	342	3.8	1.730	0.001
Hispanic Males
Primary cluster	1985–2001	410	11.2	3.130	0.001
Secondary cluster 1	1995–2001	239	6.0	1.663	0.001
Hispanic Females
Primary cluster	1994–2001	84	1.8	2.264	0.001

ISSN: 1476-072X