Reproducibility of an Instrument for Assessing Skin Cancer Risk Factors

Authors

  • John Alexander Nova Villanueva Federico Lleras Acosta Dermatological Center
  • Guillermo Sánchez Centro Dermatológico Federico Lleras Acosta

DOI:

https://doi.org/10.17533/udea.rfnsp.v35n3a04

Keywords:

skin neoplasms, result reproducibility, validation studies, sunlight

Abstract

Objective: to evaluate the reproducibility of an instrument for measuring skin cancer risk factors. Methodology: some variables for measuring skin cancer risk factors were found in the literature and used as a starting point to conduct focus groups with patients and experts in order to obtain the questions for a data collection instrument. Subsequently, test-retest reproducibility was evaluated with 85 cases (skin cancer) and 85 controls for the selected items. Finally, the kappa, weighted kappa and Lin correlation coefficients were
used for the analysis. Results: The most reliable variables were municipality of residence (0.86-0.98) and working outdoors (0.78-0.83). The least reliable variable was using sun protection gear (0.53-0.8). Conclusions: the evaluated variables have good reliability levels, which is one of the conditions that must be taken into account in order to identify risk factors for developing skin cancer among our population in a more valid way.
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Author Biographies

John Alexander Nova Villanueva, Federico Lleras Acosta Dermatological Center

Dermatologist, skin cancer line researcher, Research Group in General Dermatology, Federico Lleras Acosta Dermatological Center.

Guillermo Sánchez, Centro Dermatológico Federico Lleras Acosta

Medical epidemiologist. Researcher skin cancer line, Research Group in General Dermatology, Centro Dermatológico Federico Lleras Acosta.

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Published

2017-07-31

How to Cite

1.
Nova Villanueva JA, Sánchez G. Reproducibility of an Instrument for Assessing Skin Cancer Risk Factors. Rev. Fac. Nac. Salud Pública [Internet]. 2017 Jul. 31 [cited 2025 Feb. 2];35(3):335-42. Available from: https://revistas.udea.edu.co/index.php/fnsp/article/view/326589

Issue

Vol. 35 No. 3 (2017): Septiembre - Diciembre

Section

Research

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