. Author manuscript; available in PMC: 2015 Mar 4.

Published in final edited form as: Epidemiol Infect. 2011 Sep 27;140(8):1439–1445. doi: 10.1017/S0950268811000987

Table 3.

GLMM Results and Summary Statistics for Pools by Owner and Category.⁶

Owner / Pool	Total	Mean / County	Number of Counties	Marginal Effect (95% Confidence Interval)	p-value
Municipal / Big	294	2.97	97	1.21 (1.03, 1.42)	0.019*
Municipal / Wading	171	1.73	76	1.12 (1.01, 1.24)	0.026*
Municipal / Waterslide	205	2.07	74	1.08 (0.94, 1.23)	0.270
Camp / Big	31	0.31	22	1.23 (0.83, 1.82)	0.310
Camp / Small	23	0.23	18	1.68 (1.01, 2.81)	0.047*
C-H Club / Big	94	0.95	38	1.08 (0.92, 1.26)	0.351
C-H Club / Wading	48	0.48	34	1.05 (0.70, 1.57)	0.805
School / Big	66	0.67	32	1.11 (0.89, 1.38)	0.355

⁶

Columns are defined as in Table 1.