Table 3.

Nutrition knowledge related to salt intake and experience of nutrition education

N (%): The frequency of correct answer in each item

¹⁾By χ²-text among the school groups in the Students (^*P < 0.01, ^**P < 0.05, ^***P < 0.001)

²⁾By χ²-text between the Students and the Staffs (^†P < 0.01, ^††P < 0.05, ^†††P < 0.001)

³⁾By general linear model (Mean ± SD): Mean values are significantly different among the school groups by Duncan's multiple range test (^*P < 0.01, ^**P < 0.05, ^***P < 0.001).