Table 6.

Results of Application of General Estimating Equations (GEE)

Parameter	Estimate	Standard Error	95% Confidence Limits		Z	Pr > |Z|
Intercept	110.54	58.10	−3.34	224.42	1.9	0.0571
Vegetable and fruit from your garden servings/week	62.31	20.96	21.23	103.39	2.97	0.0029
Tap water drinks/day	5.93	2.02	1.97	9.88	2.94	0.0033
Age (yrs)	3.53	1.03	1.50	5.55	3.42	0.0006
No carbon filter use	104.92	35.86	34.65	175.20	2.93	0.0034

Note: This analysis includes only participants from households using Little Hocking water system only. Participants with substantial occupational exposure were excluded