Table 4. ‘LC Model 2’ (n = 399) with partial measurement invariance for age groups.

Haematuria			Microscopy		PCR
	Sensitivity	Specificity	Sensitivity	Specificity	Sensitivity	Specificity
Age category(25–35 years old)	84.5%(p<0.001)	74.2%(p = 0.001)	69.9.0%(p = 1.000)	100.0%(p<0.001)	100.0%(p = 1.000)	100.0%(p = 0.996)
(36–45 years old)	85.0%(p = 0.949)	38.9%(p = 0.017)
(46–55 years old)	74.3%(p = 0.345)	38.3%(p = 0.001)
Prevalence of S. haematobium infection
(25–35 years old)	39.63%(p = 0.003)
(36–45 years old)	37.31%(p = 0.736)
(46–55 years old)	38.33%(p = 0.040)