. 2017 Mar 26;9(4):329. doi: 10.3390/nu9040329

Table 3.

Vitamin B6 intakes (food and dietary supplements) in highly active and sedentary women ^a.

Intake Variable ^b	Activity Level		p-Value
	Highly Active	Sedentary
	n = 29	n = 29
Vitamin B6 intake from food
Vitamin B6 (mg/day) ^c	3.5 ± 2.2	1.8 ± 0.7	<0.01 **
Vitamin B6 (mg/day) ^c	2.8 (1.9)	1.6 (0.8)	<0.01 **
Vitamin B6 density (mg/1000 kcal) ^d	1.6 ± 1.2	1.0 ± 0.4	0.03 *
Vitamin B6 density (mg/1000 kcal) ^d	1.1 (0.8)	0.9 (0.5)	0.03 *
Supplement contribution for those that reported supplement use
Participants that reported vitamin B6 dietary supplement use (n (%))	8 (28)	12 (41)
Vitamin B6 (dietary supplements) (mg/day)	7.6 ± 9.2	14.0 ± 29.4	0.56
Vitamin B6 (dietary supplements) (mg/day)	2.7 (14.0)	2.3 (3.0)	0.56
Vitamin B6 (food) + vitamin B6 (dietary supplements) (mg/day) ^c	11.5 ± 9.8	15.8 ± 29.3	0.70
	7.6 (15.4)	4.4 (3.2)	0.70
Vitamin B6 (food) + vitamin B6 (dietary supplements) density (mg/1000 kcal) ^d	5.0 ± 4.1	9.0 ± 15.3	0.49
	3.4 (7.9)	2.5 (3.6)	0.49

^a Values expressed as mean ± standard deviation and median (interquartile range), except where noted. ^b Intake variable determined by 7-day weighed food records analyzed using the United States Department of Agriculture (USDA) National Nutrient Database for Standard Reference, Release 20. ^c RDA for vitamin B6 for girls ages 14–18 = 1.2 mg/day. RDA for vitamin B6 for women ages 19–50 = 1.3 mg/day. ^d Recommended value for vitamin B6 density: 1 mg/1000 kcals [44]. * p < 0.05. ** p < 0.01.