Low prevalence of iron-deficiency anaemia among Inuit preschool children: Nunavut Inuit Child Health Survey, 2007–2008
Bibliographic record
Abstract
OBJECTIVE: To report the prevalence rates and correlates for anaemia, iron deficiency (ID) and iron-deficiency anaemia (IDA) among Inuit preschool-aged children. DESIGN: A cross-sectional study assessed iron intake, demographic information, medical history, anthropometrics, Hb, ferritin, C-reactive protein and antibodies to Helicobacter pylori. SETTING: Sixteen selected Inuit communities in Nunavut Territory, Canada. SUBJECTS: Inuit (n 388) aged 3-5 years randomly recruited from communities. RESULTS: Anaemia (3-4 years: Hb < 110 g/l; 5 years: Hb < 115 g/l) was prevalent in 16·8 % of children. The prevalence of ID (ferritin < 12 μg/l) was 18·0 % and that of IDA was 5·4 %. When ID was defined as ferritin <10 μg/l, 10·8 % of children were iron deficient and 3·3 % had IDA. In multiple logistic regression, boys were more likely to be iron deficient (OR = 2·28, 95 % CI 1·17, 8·25), but no other risk factor emerged for ID. Three- to 4-year-olds were less likely than 5-year-olds to have anaemia from causes other than ID (OR = 0·11, 95 % CI 0·08, 0·58). Anaemia from other causes was more common among children residing in crowded homes (OR = 2·30, 95 % CI 1·37, 12·31) and those treated for past-year ear infection (OR = 1·35, 95 % CI 1·05, 7·21). CONCLUSIONS: The low prevalence of ID and IDA is encouraging, but efforts are still needed to reduce rates as they continue to be higher than general population rates. Household crowding and infections may contribute to anaemia and warrant further research.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".