Higher n3-fatty acid status is associated with lower risk of iron depletion among food insecure Canadian Inuit women

Table 2 Associations between serum ferritin and dietary and health-related variables for Inuit women ¹

Dietary intake on the previous day, unit	n		Multivariate	P-value
			Coefficient³
Energy, MJ	1123	7.56 (5.43-10.4)
Traditional food,% energy	1123	6.8 (0-24)	0.001	0.008
Traditional food meat, g	1123	81.6 (0-277)
All meat, g	1123	235 (128-420)
Dietary iron, mg	1123	12.8 (8.2-20.3)
Dietary iron from traditional food, mg	1123	1.1 (0-9.0)
Dietary iron from non-traditional meats, mg	1123	0.5 (0-2.0)
Heme iron, mg	1123	4.0 (1.2-10.6)
Vitamin C, mg	1123	59.0 (15.5-162.7)
Calcium, mg	1123	388 (238-610)
Vitamin A, μg RAE	1123	353 (161-684)
Tea, mL	1123	0 (0-500)
Daily frequency of consumption, n/d
Sea mammals	1105	0.08 (0.01-0.31)	0.117	<0.001
Game	1105	0.27 (0.07-0.77)	-0.034	0.095
Fish	1105	0.11 (0.02-0.29)	-0.014	0.735
Liver, all species	1105	0 (0-0.02)	0.303	0.022
Iron status and other indicators
RBC LC-PUFA (% of total fatty acids)	1197	3.67 (1.91-5.76)	0.038	<0.001
Serum hs-C-reactive protein (mg/L)	1210	1.3 (0.4-3.4)	0.031	<0.001
Hemoglobin (g/L)	1149	128 (119-136)	0.009	<0.001
Serum soluble transferrin receptor (mg/L)	575	1.33 (1.12-1.63)	-0.287	<0.001
Serum ferritin (μg/L)	1210	24.5 (14.0-51.0)	-	-
H. pylori positive	1268	71.9 (69.4-74.3)²	-0.047	0.044

¹Values are median (interquartile range).
²Values are % (95% CI).
³After multivariate adjustment for menopausal status, adiposity, and oral contraceptive use. Associations of <0.005 were considered significant after applying the Bonferroni adjustment.

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