Isolated clubfoot in the Northern Territory of Australia: birth prevalence and population description
Paterson, Kelly, Barker, Ruth, Taylor, Sean, and Clough, Alan (2025) Isolated clubfoot in the Northern Territory of Australia: birth prevalence and population description. International Journal of Epidemiology, 54 (4). dyaf121.
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Abstract
Background Clubfoot prevalence in the Aboriginal and Torres Strait Islander population (hereafter Indigenous population) is reportedly higher than globally. This study enumerates and describes the isolated (also 'idiopathic') clubfoot population in Australia's Northern Territory (NT), where 30% of the population is Indigenous. Methods In this retrospective study, medical records were searched to identify all cases in the NT born in 2009-22 inclusive. Birth prevalence was calculated by using established methods. Logistic regression estimated odds ratios (ORs) and 95% confidence intervals (CIs) comparing characteristics of Indigenous with non-Indigenous babies with clubfoot. Results The birth prevalence of isolated clubfoot (150 cases/53 591 births) was 2.80/1000 (95% CI: 2.35-3.25). For 109 Indigenous babies, the prevalence was five times higher (5.99, 95% CI: 4.87-7.12) than for non-Indigenous babies (1.16, 95% CI: 0.84-1.56) and three times higher in Indigenous males (4.11, 95% CI: 3.35-4.86) than females (1.42, 95% CI: 0.96-1.88). Among babies with clubfoot, Indigenous babies with clubfoot were more likely to be male (OR = 2.68; 95% CI: 1.22-5.90; P = 0.014), from remote or very remote localities (OR = 14.24; CI: 5.98-33.90; P < 0.001), and have younger mothers (OR = 13.88; 95% CI: 3.90-49.39; P < 0.001). Conclusion The prevalence of isolated clubfoot in Australia's NT is higher than global estimates and other Australian reports, and disproportionately affects Indigenous babies. An Australian clubfoot register would be invaluable to improve the national understanding of prevalence patterns. Given the disproportionate prevalence in Indigenous babies, culturally responsive service provision, clinical outcomes, and experiences of their families warrant investigation.
| Item ID: | 87863 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1464-3685 |
| Keywords: | Australian Aboriginal and Torres Strait Islander Peoples, clubfoot, congenital abnormalities, Northern Territory, prevalence |
| Copyright Information: | Copyright © 2025, © The Author(s) 2025. Published by Oxford University Press on behalf of the International Epidemiological Association. This article is available under the Creative Commons CC-BY-NC license and permits non-commercial use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Date Deposited: | 03 Mar 2026 05:02 |
| FoR Codes: | 42 HEALTH SCIENCES > 4202 Epidemiology > 420202 Disease surveillance @ 100% |
| SEO Codes: | 20 HEALTH > 2004 Public health (excl. specific population health) > 200404 Disease distribution and transmission (incl. surveillance and response) @ 100% |
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