Agreement among Four Prevalence Metrics for Urogenital Schistosomiasis in the Eastern Region of Ghana

Table 3

Results of logistic regression models showing the temporal stability of infection status as assessed by two metrics.

	Boys		Girls
	OR	CI95%	OR	CI95%
Model 2a: = measured hematuria in 2012
Measured hematuria in 2010	2.0	(0.65, 5.9)	3.3	(1.01, 10.5)
Age group 2	0.84	(0.27, 2.7)	0.65	(0.18, 2.3)
Age group 3	1.7	(0.45, 6.3)	0.64	(0.13, 3.2)
Town group 3	1.6	(0.47, 5.2)		—
Model 2b: = measured hematuria in 2009
Measured hematuria in 2008		(1.5, 23.9)	2.8	(1.1, 6.8)
Age group 2	1.1	(0.18, 6.4)	1.00	(0.35, 2.9)
Age group 3	2.5	(0.38, 16.2)	0.56	(0.14, 2.2)
Model 2c: = eggs in urine in 2009
Eggs in urine in 2008	4.8	(1.2, 18.8)	1.9	(0.79, 4.5)
Age group 2	0.80	(0.17, 3.7)	0.95	(0.37, 2.4)
Age group 3	0.67	(0.09, 4.8)	0.44	(0.12, 1.6)

error is too large for town group 3 in model 2a.