TABLE 1.

Demographics of study participants in each community, Ecuador, 2003-2005^*

Community	No. of individuals	Average age (years)	% male	% minority	Average years in community	Average years of education
1	132	24.2	56.1	1.5	18.6	2.1
2	146	28.8	43.2	8.2	15.0	3.3
3	99	21.7	46.9	2.0	16.3	2.7
4	230	23.8	53.7	1.7	17.8	2.3
5	318	25.3	48.1	4.1	20.6	3.6
6	462	24.5	53.5	8.5	14.6	3.5
7	277	22.5	54.5	40.2	7.8	3.4
8	813	22.4	54.2	4.3	13.7	3.6
9	63	21.1	54.0	60.3	5.3	3.3
Pooled	2,540	23.7	52.5	10.1	14.7	3.3
Interviewed	2,053	23.5	51.9	9.2	14.8	3.0
Missed	487	24.3	54.9	14.2	14.1	4.7
p value†		0.47	0.23	0.0011	0.43	>0.00005

^*All averages come from individual data. Race was classified as indigenous, Afro-Ecuadorian, or mixed. Minorities are considered to be Afro-Ecuadorian or mixed in community 9 and indigenous or mixed in all other communities.

^†p value (t test).