Principal Scientist for NSW Institute of Sport, Dr Kenneth Graham, co-authored Depression, Anxiety, and Alcohol Use in Elite Rugby League Players Over a Competitive Season, the abstract for which is below. This paper was published in the Clinical Journal of Sports Medicine (2017).

OBJECTIVE: To assess the prevalence of symptoms of depression, anxiety, and rates of alcohol misuse in elite rugby league players in Australasia.

DESIGN: A cross-sectional, epidemiological study with repeated measures.

SETTING: Surveys were conducted during the 2015 preseason and in-season.

PARTICIPANTS: Four hundred four elite rugby league players participated preseason and 278 players in-season.

MAIN OUTCOME MEASURES: Symptoms of depression were measured using the Patient Health Questionnaire-9 scale, symptoms of generalized anxiety disorder (GAD) with the GAD-7 scale, and the Alcohol Use Disorders Identification Test Consumption scale was used to assess hazardous alcohol use.

RESULTS: The overall prevalence of depression was 12.6% preseason and 10.1% in-season. Generalized anxiety disorder had a prevalence of 14.6% and 10.1% for these 2 periods. Overall, 68.6% of players had hazardous levels of alcohol use preseason, and 62.8% in-season. There was no significant difference for any of the main outcomes between the periods. Players with a history of mental illnesses had 5.62 greater odds (95% confidence interval [CI], 2.62-12.04) of depression than those without during preseason, and 22.08 greater odds (95% CI, 7.77-62.71) in-season. Players reporting ≥3 previous concussions had 2.02 greater odds (95% CI, 1.07-3.82) of depression than those reporting ≤2 in the preseason sample.

CONCLUSIONS: Rugby league players have a lower prevalence of depression compared with studies of the general population and other athletes, but a higher prevalence of GAD, and high rates of alcohol misuse. Clubs may consider implementing regular screening for these conditions. Further prospective research to determine causality of independent factors is required.

 

Etienne J Du Preez, Kenneth S Graham, Thomas Y Gan, Bassam Moses, Chris Ball, Donald E Kuah
Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine 2017 January 17

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