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

Table 4

Number of participants in each tertile based on consumption of dietary L/Z.

Tertiles	Number of participants	%
<1 mg	27	22.5
1-2 mg	33	27.5
>2 mg	60	50.0
Total	120	100.0

Unit = average dietary consumption of L/Z per day (mg/day).