Table 3 Consumption of iodine rich foods and goiterogenic substances among school-aged children, Dabat District, northwest, Ethiopia, 2016 (n = 735)

 Never

622

84.6

 Once and more per week

113

15.4

 Never

600

81.6

 Once and more per week

135

18.4

 Never

667

90.7

 Once and more per week

68

9.3

 Never

658

89.5

 Once and more per week

77

10.5

 Never

718

97.7

 Once and more per week

17

2.3

 Maize

12

1.6

 Teff

560

76.2

 Sorghum^b

509

69.3

 Wheat

664

90.3

 Millet^b

9

1.2

 Barely

517

70.3

 < 4 food groups

626

85.2

 ≥ 4 food groups

109

14.8