g Intake measured as mg/1000 kcal; energy intake not provided.
h Abnormal EGRAC = > 1.2.
i During exercise period.
j Abnormal EGRAC = > 1.25.
k Abnormal EGRAC = ≥ 1.3.
l Abnormal EGRAC = > 1.4.
m Abnormal urinary excretion = values before which there is a sharp increase (breakpoint for increase in slope of urinary excretion).
n Normal = no classical signs of riboflavin deficiency.
o Normal = no signs of ariboflavinosis (assessment based on eye exams, work performance, and psychomotor tests).
p Abnormal = nonspecific symptoms (cheilosis, angular stomatitis, scrotal skin changes).
q Abnormal = severe skin lesions.
r Abnormal total erythrocyte riboflavin = < 400 nmol/L (15 µg/100 mL); authors’ conclusion.
s Normal total erythrocyte riboflavin = ≥ 530 nmol/L (20 µg/100 mL); authors’ conclusion.
t Abnormal = severe symptoms of ariboflavinosis.