Table 1. Participant characteristics by year, Managua, Nicaragua, 2004–2010.

	2004–2005	2005–2006	2006–2007	2007–2008	2008–2009	2009–2010
	n = 3,721(%)	n = 3,695(%)	n = 3,795(%)	n = 3,693(%)	n = 3,953(%)	n = 3,969(%)
By sex
Female	1,827 (49.1)	1,820 (49.3)	1,870 (49.3)	1,829 (49.5)	1,965 (49.7)	1,969 (49.6)
Male	1,894 (50.9)	1,875 (50.7)	1,925 (50.7)	1,864 (50.5)	1,988 (50.3)	2,000 (50.4)
By age (years)
2–5	1980 (53.2)	1635 (44.2)	1378 (36.3)	1302 (35.3)	1288 (32.6)	1103 (27.8)
6–8	1360 (36.5)	1299 (35.2)	1297 (34.2)	1231 (33.3)	1254 (31.7)	1132 (28.5)
9–14	381 (20.6)	761 (20.6)	1120 (29.5)	1160 (31.4)	1411 (35.7)	1734 (42.7)

The number of participants from 2004–2005 to 2007–2008 has been previously reported [16].