Variable

Classification

Count

Percentage

Gender

Male

213

41.3%

Female

303

58.7%

Child’s Grade

Nursery grade

308

59.7%

Lower-kindergarten

96

18.6%

Upper-kindergarten

112

21.7%

Frequency of checking the app on their mobile devices

Rarely

62

12.0%

Once every few days

159

30.8%

Once a day

247

47.9%

More than once a day

48

9.3%