Anemia, iron status, and associated protective and risk factors among children and adolescents aged 3 to 19 years old fr
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QUANTITATIVE RESEARCH
Anemia, iron status, and associated protective and risk factors among children and adolescents aged 3 to 19 years old from four First Nations communities in Quebec Emad Tahir 1,2 & Pierre Ayotte 1,2,3 & Matthew Little 2,4 & Richard E. Bélanger 2,5 & Michel Lucas 1,2 & Donna Mergler 6 & Elhadji A. Laouan Sidi 1 & Nancy Gros-Louis McHugh 7 & Mélanie Lemire 1,2,8 & Community of Winneway - Long Point First Nation, Community of Lac Simon, CSSS Tshukuminu Kanani of Nutashkuan, Community of Unamen Shipu Received: 14 May 2019 / Accepted: 13 February 2020 # The Author(s) 2020
Abstract Objectives Anemia and iron deficiency (ID) are frequent among Indigenous children of Canada, but few data are available in Quebec. The present study aimed to characterize anemia and ID prevalence and associated protective and risk factors among First Nations youth in Quebec. Methods The 2015 First Nations (JES!-YEH!) pilot study was conducted among children and adolescents (3 to 19 years; n = 198) from four First Nations communities in Quebec. Blood and urine samples and anthropometric measurements were collected. Hemoglobin (Hb), serum ferritin (SF), plasma hs-CRP, and urinary cotinine levels were measured. Factors associated with anemia and ID (including traditional and market food consumption) were assessed using an interview-administered food frequency questionnaire, based on which nutritional intakes were calculated. Structural equation models were used to test associations. Results The prevalence of anemia and ID was elevated (16.8% and 20.5% respectively). Traditional meat, fruit, and fruit juice (natural and powdered)—via their positive association with vitamin C intake—were the only food variables positively associated with SF (coefficient [95% CI] 0.017 [0.000, 0.114]; 0.090 [0.027, 0.161]; and 0.237 [0.060, 0.411]). Male sex was also associated with higher SF (0.295 [0.093, 0.502]). Inflammation status (hs-CRP > 5 mg/L) was inversely associated with Hb (− 0.015 [− 0.025, − 0.005]), whereas SF was positively associated with Hb (0.066 [0.040, 0.096]). Fruit and juice consumption was also positively associated with Hb, via vitamin C intake and SF (0.004 [0.001, 0.010]; 0.008 [0.003, 0.017]). Conclusions Interventions fostering healthier food environments as well as higher consumption of traditional meats and foods naturally rich in vitamin C, which is known to enhance iron absorption, and fighting inflammation could contribute to decrease the high prevalence of anemia and ID in this young Indigenous population.
Electronic supplementary material The online version of this article (https://doi.org/10.17269/s41997-020-00304-7) contains supplementary material, which is available to authorized users. * Mélanie Lemire [email protected]
5
Département de pédiatrie, Université Laval, Quebec City, QC, Canada
1
Département de médecine sociale et préventive, Université Laval, Quebec City, QC, Canada
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CINBIOSE, Université du Québec à Montréal, Montreal, QC, Canada
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Axe santé des populations et
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