Table 2.

Participant Flow^a

Randomized	Placebo N = 215	Iron-FA N = 223	Zinc N = 219	Both N = 220
Pemba Island, Zanzibar
Have baseline sleep data	190	205	202	197
Have follow-up sleep data	184	182	184	189
	N = 152	N = 129	N = 125	N = 161
Sarlahi District, Nepal
Have baseline sleep data	150	127	125	159
Have follow-up sleep data	133	122	119	145

FA, folic acid.

^aFor information on Study 2, refer to Olney et al, ³ and on Study 3 to Tielsch et al.¹⁷