Table 5. Difference in district-level prevalence estimates of active trachoma signs among children 1–9 years of age in 2006 and 2009 in Kayes and Koulikoro Regions, Mali.

Outcome indicator	District	Prevalence change
		2009–2006
		Difference (95% CI)	Z value	P*
Trachomatous inflammation-follicular (TF) in children 1–9 years of age	1. Bafoulabé	14.1 (10.6, 17.7)	12.2	<0.0001
	2. Diéma	−0.6 (−3.9, 2.6)	−0.62	0.7323
	5. Kita	−2.7 (−5.6, −1.9)	−2.77	0.9972
	6. Nioro du Sahel	5.8 (3.0, 8.6)	5.37	<0.0001
	8. Banamba	12.0 (7.8, 16.2)	8.8	<0.0001
	9. Dioila	7.3 (5.5, 9.1)	8.2	<0.0001
	10. Fana	1.7 (−0.3, 3.6)	2.0	0.0205
	11. Kangaba	−0.8 (−2.6, 1.0)	−1.13	0.8698
	12. Kati	6.2 (2.3, 9.9)	6.12	<0.0001
	13. Kolokani	8.5 (3.9, 13.2)	7.00	<0.0001
	14. Koulikoro	11.3 (8.9–13.6)	10.62	<0.0001
	15. Nara	−0.9 (−3.4, 1.5)	−1.15	0.8756
	16. Ouelessebougou	0.4 (−0.7, 1.5)	0.77	0.2220
Trachomatous inflammation-intense (TI) in children 1–9 years of age	1. Bafoulabé	3.3 (2.1, 4.5)	6.35	<0.0001
	2. Diéma	−0.5 (−2.1, 1.1)	−0.83	0.7957
	5. Kita	−1.1 (−2.2, −0.1)	−2.18	0.9854
	6. Nioro du Sahel	0.2 (−0.5, 0.9)	0.65	0.2588
	8. Banamba	1.9 (1.0, 2.8)	4.72	<0.0001
	9. Dioila	0.9 (−0.2, 1.8)	2.45	0.0072
	10. Fana	0.8 (0.0, 1.7)	2.81	0.0025
	11. Kangaba	−1.2 (−2.2, −0.3)	−2.24	0.9874
	12. Kati	−0.1 (−0.8, 0.6)	−0.30	0.6186
	13. Kolokani	−0.4 (−0.9, 0.1)	−1.24	0.8930
	14. Koulikoro	0.1 (−0.3, 0.5)	0.61	0.2697
	15. Nara	−0.2 (−0.5, 0.0)	−1.43	0.9232
	16. Ouelessebougou	0.2 (−0.3, 0.6)	0.99	0.1616

*Probability that the difference in prevalence 2009–2006 is less than or equal to zero.