TABLE 4.

Percentage of samples meeting the values used to set the AI for each vitamin, by collection time and treatment group¹

		Treatment group
Vitamin	AI, μg/L	Control (n = 177)	LNS (n = 185)	ARV (n = 85)	ARV + LNS (n = 90)
Thiamin,2 %
2 or 6 wk	200	35	35	31	36
24 wk	200	50	56	52	50
Riboflavin,3 %
2 or 6 wk	350	0	3.2	0	0
24 wk	350	0.6	1.6	1.2	1.1
Nicotinamide, %
2 or 6 wk	1800	2.8	5.4	1.2	1.1
24 wk	1800	0	1.6	0	1.1
Pyridoxal, %
2 or 6 wk	130	9.0	17	5.9	7.8
24 wk	130	36	60	44	41
Vitamin B-12, %
2 or 6 wk	0.42	35	47	33	33
24 wk	0.42	16	34	17	22

¹AI, Adequate Intake; ARV, antiretroviral; LNS, lipid-based nutrient supplement; n, number of samples.

²Thiamin = thiamin + (thiamin monophosphate × 0.871) + (thiamin pyrophosphate × 0.707).

³Riboflavin = riboflavin + (flavin adenine dinucleotide × 0.479).