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Factors associated with discharge during marine corps basic training.

Jared P Reis1, Daniel W Trone, Caroline A Macera

  • 1Department of Behavioral Science and Epidemiology, Naval Health Research Center, P.O. Box 85122, San Diego, CA 92186, USA.

Military Medicine
|October 17, 2007
PubMed
Summary
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Older age, poor fitness, and prior injuries increase military training discharge risk. Identifying and healing pre-training lower extremity injuries can reduce attrition.

Area of Science:

  • Military medicine
  • Sports medicine
  • Orthopedics

Background:

  • High attrition rates in military basic training (BT) impact readiness.
  • Identifying risk factors for discharge is crucial for improving recruit retention.
  • Lower extremity injuries, particularly stress fractures, are common causes of training attrition.

Purpose of the Study:

  • To identify independent risk factors associated with discharge from Marine Corps basic training.
  • To assess the relationship between pre-training physical condition, injury history, and training outcomes.
  • To inform strategies for reducing recruit attrition.

Main Methods:

  • Prospective study of 2,137 male Marine Corps recruits.
  • Data collected via intake questionnaires on demographics, exercise history, and prior injuries.

Related Experiment Videos

  • Stress fractures confirmed through medical imaging (X-ray, bone scan, MRI).

    • Main Results:

    • Overall discharge rate was 10.4% (223 recruits).
    • Independent risk factors for discharge included: stress fracture during BT, older age (>23 years), non-Hispanic race, poor self-rated fitness, no competitive exercise history, and incomplete recovery from prior lower extremity injury.
    • Stress fractures were a significant factor contributing to discharge.

    Conclusions:

    • Several modifiable and non-modifiable factors predict discharge from basic training.
    • Interventions focusing on pre-training physical fitness and ensuring complete recovery from lower extremity injuries may reduce attrition.
    • Targeted strategies are needed to mitigate risks associated with stress fractures and prior injuries in recruits.