Research Article

Consumption of Lutein and Zeaxanthin and Its Relation to the Level of Macular Pigment Optical Density in Thai Subjects

Table 3

Mean intake, maximum intake, and minimum intake of dietary L/Z for each group of participants.

VariableUnit/categoriesMean ± SDMaxMin

Age<50 years3.00 ± 2.589.750.20
50–59 years3.25 ± 3.0311.980.28
≥60 years2.58 ± 1.796.120.21

GenderFemale3.08 ± 2.5410.650.20
Male2.89 ± 2.9911.980.27

ResidenceBangkok2.70 ± 2.3810.650.20
Vicinity areas3.77 ± 3.1011.980.28

All participantsTotal3.03 ± 2.6511.980.20

Unit = mg per day, max = maximum intake of L/Z, and min = minimum intake of L/Z.