Table 4. Weekly dietary vitamin D Intake by group.

Vitamin D Intake IU/day	400 IU			800 IU			p-value
	N	Median	IQR	N	Median	IQR
Week 1	16	233	116	16	126	117	0.046
Week 2	16	267	109	16	289	196	0.75
Week 3	16	327	154	16	351	142	0.99
Week 4	16	357	186	16	329	190	0.64
Week 5	15	399	244	14	313	266	0.44
Week 6	14	455	174	10	245	220	0.11
Week 7	11	412	291	9	238	95	0.04
Week 8	9	380	350	7	339	134	0.17