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Few studies have investigated deployment-related experiences of healthcare workers dispatched for medical humanitarian aid or attempted to assess their difficult living and working environments. This is the first study to develop and validate a scale to measure these kinds of difficulties, in 264 Japanese healthcare workers. The Humanitarian Aid Difficulty Scale was developed in three stages. First, an item pool was generated based on literature and expert reviews. The scale was then tested in a pilot study. Reliability and validity were identified through exploratory and confirmatory factor analysis and Cronbach's alpha. The scale consisted of 23 items across five factors based on exploratory factor analysis (cooperation, health status, infrastructure, culture and customs, and supplies and equipment). The total variance explained was 60.7%. Reliability of the five factors was acceptable and validity was supported by confirmatory factor analysis. Cronbach's alpha for the scale was 0.87. The scale may enable evaluation of the level of difficulty of the living and working environments of Japanese healthcare workers in medical humanitarian aid who are at a greater risk of distress.

IntroductionPhysicians are key disaster responders in foreign medical teams (FMTs) that provide medical relief to affected people. However, few studies have examined the skills required for physicians in real, international, disaster-response situations.ProblemThe objectives of this study were to survey the primary skills required for physicians from a Japanese FMT and to examine whether there were differences in the frequencies of performed skills according to demographic characteristics, previous experience, and dispatch situations to guide future training and certification programs.MethodsThis cross-sectional survey used a self-administered questionnaire given to 64 physicians with international disaster-response site experience. The questionnaire assessed demographic characteristics (sex, age, years of experience as a physician, affiliation, and specialty), previous experience (domestic disaster-relief experience, international disaster-relief experience, or disaster medicine training experience), and dispatch situation (length of dispatch, post-disaster phase, disaster type, and place of dispatch). In addition, the frequencies of 42 performed skills were assessed via a five-point Likert scale. Descriptive statistics were used to assess the participants’ characteristics and total scores as the frequencies of performed skills. Mean scores for surgical skills, health care-related skills, public health skills, and management and coordination skills were compared according to the demographic characteristics, previous experience, and dispatch situations.ResultsFifty-two valid questionnaires (81.3% response rate) were collected. There was a trend toward higher skill scores among those who had more previous international disaster-relief experience (P=.03). The more disaster medicine training experience the participants had, the higher their skill score was (PConclusionThis study’s findings can be used as evidence to boost the frequency of physicians’ performed skills by promoting previous experience with international disaster relief and disaster medicine training. Additionally, these results may contribute to enhancing the quality of medical practice in the international disaster relief and disaster training curricula.NoguchiN, InoueS, ShimanoeC, ShibayamaK, MatsunagaH, TanakaS, IshibashiA, ShinchiK. What kinds of skills are necessary for physicians involved in international disaster response?Prehosp Disaster Med. 2016;31(4):397–406.