Orthop J Sports Med. 2013 May 02;1(1):2325967113487316. doi: 10.1177/2325967113487316. eCollection 2013.
Predictors of Running-Related Injuries Among 930 Novice Runners: A 1-Year Prospective Follow-up Study.
Orthopaedic journal of sports medicine
Rasmus Oestergaard Nielsen, Ida Buist, Erik Thorlund Parner, Ellen Aagaard Nohr, Henrik Sørensen, Martin Lind, Sten Rasmussen
Affiliations
Affiliations
- Department of Public Health, Section of Sport Science, Aarhus University, Aarhus, Denmark. ; Orthopaedic Surgery Research Unit, Science and Innovation Center, Aalborg University Hospital, Aalborg, Denmark.
- Center for Sports Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
- Department of Public Health, Section of Biostatistics, Aarhus University, Aarhus, Denmark.
- Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark.
- Department of Public Health, Section of Sport Science, Aarhus University, Aarhus, Denmark.
- Department of Orthopaedics, Aarhus University Hospital, Aarhus, Denmark.
- Orthopaedic Surgery Research Unit, Science and Innovation Center, Aalborg University Hospital, Aalborg, Denmark.
PMID: 26535228
PMCID: PMC4555503 DOI: 10.1177/2325967113487316
Abstract
BACKGROUND: To identify persons at high risk of sustaining running-related injuries, an evidence-based understanding of the risk factors associated with injury is needed.
PURPOSE: To identify demographic and behavioral risk factors associated with running-related injuries.
STUDY DESIGN: Observational prospective cohort study with a 1-year follow-up.
METHODS: Exposures including sex, age, body mass index (BMI), behavior (Type A Self-Rating Inventory [TASRI]), running experience, other sports activity, previous running-related injuries, and other injuries not related to running were assessed prior to or at baseline. The outcome of interest was a running-related injury, defined as any musculoskeletal complaint of the lower extremity or back caused by running that restricted the amount of running (volume, duration, pace, or frequency) for at least 1 week. All participants quantified their running volume by global positioning system (GPS) and used a neutral running shoe. Time to first injury for each exposure variable was analyzed using a generalized linear model, with cumulative kilometers of the training sessions as the time scale.
RESULTS: A total of 930 individuals were included in the study, of which 254 sustained a running-related injury during a total of 155.318 km of running. By calculating the cumulative injury risk differences (cIRDs) [95% confidence intervals] after 500 km of running, the TASRI Type B behavior (cIRD, 11.9% [-0.5%; 23.3%]; P = .04) was found to be a significant predictor of injury, while age between 45 and 65 years (cIRD, 14.7% [-2.1%; 31.5%]; P = .08) and previous injuries not related to running (cIRD, 11.1% [-0.2%; 22.4%]; P = .05) were considered clinically interesting, although not statistically significant. In addition, χ(2) test results across 4 BMI groups also revealed a borderline significant relationship (P = .06). No significant or clinically relevant relationships were found for sex (P = .42), previous running-related injury (P = .47), running experience (P = .30), and other sports activities (P = .30).
CONCLUSION: The findings of the present study suggest BMI >30 kg/m(2), age between 45 and 65 years, noncompetitive behavior, and previous injuries not related to running are associated with increased risk of injury among novice runners, while BMI <20 kg/m(2) was protective. Still, the role of the risk factors in the causal mechanism leading to injury needs to be investigated.
Keywords: BMI; age; behavior; novice; running-related injury
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