Psychosocial variables and time to injury onset: a hurdle regression analysis model.
BACKGROUND
Psychological variables have been shown to be related to athletic injury and time missed from participation in sport. We are unaware of any empirical examination of the influence of psychological variables on time to onset of injury.


OBJECTIVE
To examine the influence of orthopaedic and psychosocial variables on time to injury in college athletes.


METHODS
One hundred seventy-seven (men 5 116, women 5 61; age 5 19.45 6 1.39 years) National Collegiate Athletic Association Division II athletes.


METHODS
Hurdle regression analysis (HRA) was used to determine the influence of predictor variables on days to first injury.


RESULTS
Worry (z = 2.98, P = .003), concentration disruption (z = -3.95, P < .001), and negative life-event stress (z = 5.02, P < .001) were robust predictors of days to injury. Orthopaedic risk score was not a predictor (z = 1.28, P = .20).


CONCLUSIONS
These findings support previous research on the stress-injury relationship, and our group is the first to use HRA in athletic injury data. These data support the addition of psychological screening as part of preseason health examinations for collegiate athletes.
Department of Rehabilitation & Movement Science, EdD, ATC, 106 Carrigan Drive, 305 Rowell Building, University of Vermont, Bington, VT 05405, USA. jsibold@uvm.edu
Jeremy
J
Sibold
Samuel
S
Zizzi
D001007:Anxiety / Q000523:psychology; D056352:Athletes / Q000523:psychology*; D001265:Athletic Injuries / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D012044:Regression Analysis; D013177:Sports / Q000523:psychology*; D013315:Stress, Psychological; D055815:Young Adult