Table 1.

Number of participation days (S01-04: working mothers; S05-S14: students).

Subject ID	Weekdays	Weekend days	Total days
S01	14	3	17
S02	70	12	82
S03	40	6	46
S04	34	6	40
S05	187	30	217
S06	168	23	191
S07	147	23	170
S08	167	15	192
S09	145	18	163
S10	115	18	133
S11	114	13	127
S12	45	5	127
S13	16	2	18
S14	190	27	217