Table 1 The characteristics of children(n = 156)

Age(y)

7.68 ± 2.55

Male/female

87/69

BMI (kg/m²)

20.694 ± 2.12

Place of residence

Rural area

71

City

85

Guardians

Parents

107

Grandparents

44

Others

5

Courses of epilepsy(years)

2.97 ± 1.44

Monthly household income (RMB)

4108.22 ± 515.61

Number of drugs taken

1

44

2

56

≥ 3

56

Number of convulsions in the past year

1 ~ 2

91

3 ~ 5

52

≥ 6

13