• Emmanuel Navarro-Flores, Marta Elena Losa-Iglesias, Ricardo Becerro-de-Bengoa-Vallejo, Daniel López-López, David Rodríguez-Sanz, Patricia Palomo-López, and César Calvo-Lobo.
• Faculty of Nursing and Podiatry, Universidad de Valencia, 46010 València, Spain. manu.navarroflores@gmail.com.
• Int J Environ Res Public Health. 2018 Oct 10; 15 (10).

AbstractBackground: The Podiatric Health Questionnaire (PHQ) is a health-related questionnaire consisting of six questions designed for measuring foot health status. To date, the PHQ has only been validated in the English-language version. Thus, this study aimed to perform the Spanish translation and test⁻retest procedures of the PHQ (PHQ-S). Method: The forward/backward translation and test⁻retest reliability methods were applied from English to Spanish languages. Regarding the total score for each domain, internal consistency and reliability were determined by the Cronbach α and intraclass correlation coefficient (ICC) with a confidence interval (CI) of 95%. Results: High internal consistency was shown for the six domains: (1) walking with a Cronbach α of 0.97; (2) hygiene and nail care with 0.93 and 093, respectively; (3) foot pain with 0.91; (4) worry and concern domain with 0.904; (5) quality of life with 0.87; and (6) the self-perception of how their feet are feeling measured by a visual analogic scale with 0.92. Excellent test⁻retest reliability (ICC = 0.99 (95% CI = 0.96⁻0.98)) was shown for the total score. Conclusions: The PHQ-S was shown to be a valid and reliable tool for an acceptable use in the Spanish population.

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