highly significantP < 0.001
Although the total AE prevalence did not increase with age ( P = 0.35), a highly significant difference in the total CE prevalence was evident between younger and older students ( P < 0.001) (Table 2 ).
Although the total AE prevalence did not increase with age ( P = 0.35), a highly significant difference in the total CE prevalence was evident between younger and older students ( P < 0.001) (Table 2 ).