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Social deprivation among socio-economic contrasted french areas: Using item response theory analysis to assess differential item functioning of the EPICES questionnaire in stroke patients

Author

Listed:
  • Adrien Guilloteau
  • Christine Binquet
  • Abderrahmane Bourredjem
  • Isabelle Fournel
  • Marie Laure Lalanne-Mistrih
  • Mathieu Nacher
  • Devi Rochemont
  • André Cabie
  • Emmanuelle Mimeau
  • Caroline Mislin-Tritsch
  • Julien Joux
  • Annie Lannuzel
  • Claire Bonithon-Kopp
  • Yannick Béjot
  • Hervé Devilliers
  • the INDIA study group

Abstract

Background: Multiple approaches have been proposed to measure low socio-economic status. In France the concept of precariousness, akin to social deprivation, was developed and is widely used. EPICES is a short questionnaire that was developed to measure this concept. This study aimed to evaluate Differential Item Functioning (DIF) in the EPICES questionnaire between contrasted areas: mainland France, French West Indies (FWI) and French Guiana (FG). Methods: The population was taken from the INDIA study, which aimed to evaluate the impact of social inequalities on stroke characteristics and prognosis. Eligible people were patients referred to neurology or emergency departments for a suspicion of stroke. We assessed the DIF using hybrid ordinal logistic regression method, derived from item response theory. Results: We analysed 1 553 stroke patients, including 768 from FWI (49.5%), 289 from FG (18.6%) and 496 from mainland (31.9%). We identified five items with a moderate to large DIF in area comparisons: “meeting with a social worker”, “complementary health insurance”, “home-owning”, “financial difficulties” and “sport activities”. Correlation between EPICES score and the latent variable was strong (r = 0.84). Conclusion: This is the first attempt to assess the DIF of the EPICES score between different French populations. We found several items with DIF, which can be explained by individual interpretation or local context. However, the DIFs did not lead to a large difference between the latent variable and the EPICES score, which indicates that it can be used to assess precariousness and social deprivation between contrasted areas.

Suggested Citation

  • Adrien Guilloteau & Christine Binquet & Abderrahmane Bourredjem & Isabelle Fournel & Marie Laure Lalanne-Mistrih & Mathieu Nacher & Devi Rochemont & André Cabie & Emmanuelle Mimeau & Caroline Mislin-T, 2020. "Social deprivation among socio-economic contrasted french areas: Using item response theory analysis to assess differential item functioning of the EPICES questionnaire in stroke patients," PLOS ONE, Public Library of Science, vol. 15(4), pages 1-17, April.
  • Handle: RePEc:plo:pone00:0230661
    DOI: 10.1371/journal.pone.0230661
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    Cited by:

    1. Sanchez Rico, Marina & Plessz, Marie & Airagnes, Guillaume & Wiernik, Emmanuel & Hoertel, Nicolas & Goldberg, Marcel & Zins, Marie & Meneton, Pierre, 2024. "Lifetime exposure to unemployment and prior working conditions are associated with retiree's health: A retrospective study in a large population-based French cohort," Social Science & Medicine, Elsevier, vol. 341(C).
    2. Kumar Gular & Viswanathan Sivasubramanian & Ravi Shankar Reddy & Jaya Shanker Tedla & Snehil Dixit, 2022. "The Mediating Effect of Age, Gender, and Post-Stroke Duration on the Association between Trunk and Upper Limb Recovery in Subacute Stroke Population: A Cross-Sectional Study with Mediation Analysis," IJERPH, MDPI, vol. 19(23), pages 1-12, November.

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