TABLE 2.

Correlations between ln-transformed nutrient intake over the 2-wk controlled feeding period and ln-transformed post–feeding period biomarker measures in the postmenopausal women in the NPAAS-FS¹

Consumed nutrients	Biomarker measure	n2	Pearson correlation	Pearson correlation squared
Total energy, kcal/d	Ein, kcal/d	147	0.71	0.51
Protein, g/d	Protein, g/d	149	0.61	0.38
Vitamin B-12, μg/d	Vitamin B-12, pg/mL	152	0.63	0.40
Dietary folate equivalents μg/d	Folate, ng/mL	151	0.66	0.44
α-Carotene, μg/d	α-Carotene (adj), μg/mL	152	0.67	0.45
β-Carotene, μg/d	β-Carotene (adj), μg/mL	151	0.53	0.28
Lutein + zeaxanthin, μg/d	Lutein + zeaxanthin (adj), μg/mL	152	0.61	0.37
Lycopene (trans + cis), μg/d	Lycopene (trans + cis) (adj), μg/mL	151	0.54	0.30
α-Tocopherol, mg/d	α-Tocopherol (adj), μg/mL	152	0.65	0.42
γ-Tocopherol, mg/d	γ-Tocopherol (adj), μg/mL	151	0.14	0.02
Fatty acids	Phospholipid fatty acids, relative concentration (%)
Total SFAs, g/d	SFAs,3 %	149	0.25	0.06
SFAs, % of energy	SFAs, %	149	0.25	0.06
Total MUFAs, g/d	MUFAs,4 %	150	0.12	0.01
MUFAs, % of energy	MUFAs, %	150	0.18	0.03
Total PUFAs, g/d	PUFAs,5 %	152	0.37	0.13
PUFAs, % of energy	PUFAs, %	152	0.43	0.19

¹adj, serum nutrient concentration adjusted for serum cholesterol; Ein, energy intake (derived from doubly labeled water); NPAAS-FS, Nutrition and Physical Activity Assessment Study Feeding Study.

²Number of pairs of participant diet and biomarker data used to compute the Pearson correlation.

³SFAs = 14:0 + 15:0 + 16:0 + 17:0 + 18:0 + 20:0 + 22:0 + 24:0 + 23:0.

⁴MUFAs = 16:1n–9c + 16:1n–7c + 17:1n–9c + 18:1n–8c + 18:1n–9c + 18:1n–7c + 18:1n–5c + 20:1n–9 + 24:1n–9.

⁵PUFAs = 18:3n–3 + 20:3n–3 + 20:5n–3 + 22:5n–3 + 22:6n–3+ 18:2n–6 + 18:3n–6 + 20:2n–6 + 20:3n–6 + 20:4n–6 + 22:2n–6 + 22:4n–6 + 22:5n–6.