Table 2. Baseline and reinfection demographic and socioeconomic factors and intensity of infection of reinfected and non-reinfected students.

	Study Sample (n = 506)		Reinfected (n = 111)		Not reinfected (n = 395)		p
Variables	n	%	n	%	n	%
Gender
Male	297	58.7	65	58.6	232	58.7	0.974
Female	209	41.3	46	41.4	163	41.3
Age (years)
5–10	225	44.5	56	50.5	170	43	0.223
11–15	281	55.5	55	49.5	225	57
Local
Rural	318	62.8	72	64.9	246	62.3	0.618
Urban	188	37.2	39	35.1	149	37.7
Intensity of infection
Moderate-high	209	41.3	71	64.0	138	34.9	<0.001
Low	297	58.7	40	36.0	257	65.1
Education (Household head)
None	136	26.9	30	27.0	106	26.8
Grades 1–4	216	42.7	55	49.5	161	40.8	0.145
Grades > 4	154	30.4	26	23.4	128	32.4
Economic classification*
Extremely poor	184	36.4	39	35.1	145	36.7
Very poor	240	47.4	61	55.0	179	45.3	0.073
Poor	82	16.2	11	9.9	71	18

*Note that no household reached the “medium” or “high” economic strata.