Table 2.

Context of transmission of cases by level of education

Context	Preprimary and primary (~ 4–11 years)	Secondary (~ 12–19 years)	Total
Not present in school	25 (13.0%)	48 (20.7%)	73 (17.2%)
Presence unknown	45 (23.4%)	78 (33.6%)	123 (29.0%)
Primary case without secondary cases	88 (45.8%)	62 (26.7%)	150 (35.4%)
Primary case with secondary cases	14 (7.3%)	15 (6.5%)	29 (6.8%)
Secondary cases	20 (10.4%)	29 (12.5%)	49 (11.6%)
Total	192 (100%)	232 (100%)	424 (100%)
Effective reproductive rate a	0.20	0.38	0.27

^asecondary cases / total number of primary cases