. 2014 May 12;2(2):e22. doi: 10.2196/mhealth.3114

Table 1.

Characteristics of the 7 participating schools.

School	No. students	Average class size	No. teachers	No. staff	Median percent of absence (range)	Median percent of sickness with fever (range)
1	1970	36	89	17	7 (0-91)^a	0 (0-2)
2	238	30	11	9	7 (0-66)^a	0 (0-3)
3	456	38	24	10	5 (0-51)^a	1 (0-3)
4	636	35	37	5	3 (0-8)	0 (0-4)
5	633	35	30	13	3 (0-9)	0 (0-1.3)
6	813	39	44	18	6 (0-63)^a	2 (0-14)
7	85	14	10	6	4 (0-29)^a	0 (0-6)

^aThe extremely high absence rates occurred during examination week.