BACKGROUND: Although runners are healthier than most of the population, they can incur a risk of injury. Literature shows a strong evidence of risk factors for running-related injuries (RRIs) based on characteristics of running. This study aimed to assess differences in psychosocial factors between injured and uninjured recreational runners. METHODS: The study was designed as a 1-year prospective study with 108 participants (age 36.3±8.4y). The primary outcome was the incidence of RRIs at 1-year follow-up. The primary exposure variables were running-related characteristics and psychosocial factors assessed upon entry into the study. The differences between injured and uninjured runners were assessed using Mann-Whitney U Test, independent samples t-test and the effect size was assessed by Cohen's d. RESULTS: No statistically significant differences were observed between injured and uninjured runners in relation to the psychosocial factors examined. CONCLUSIONS: However, it is noteworthy that we identified medium-sized effects for the amount of sleep (d=0.46) and restless sleep (d=0.43), providing a basis for future research with larger sample sizes and more refined measures of sleep patterns to elucidate the potential role of sleep in RRIs.

Department of Human Movement Studies University of Ostrava Ostrava Czech Republic

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