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Preventing workplace AOD impairment: using theory and evidence to inform programme implementation. Tamzyn Davey , Rod McClure, Jeremy Davey, James Freeman Safety 2010 World Conference, Thursday 23 rd September, 11:30am, Westminster Suite . CRICOS No. 00213J. Definitions.

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Preventing workplace AOD impairment: using theory and evidence to inform programme implementation

Tamzyn Davey, Rod McClure, Jeremy Davey, James Freeman

Safety 2010 World Conference, Thursday 23rd September, 11:30am, Westminster Suite

CRICOS No. 00213J

  • AODs = alcohol and/or other illicit drugs (marijuana, amphetamines, cocaine, & heroin)
  • Workplace AOD impairment= using alcohol and or other illicit drugs before or during work (includes ‘hangover’ at work)
  • Context – PhD research programme
  • Background – workplace impairment
  • Findings
    • Utility of Theory of Planned Behaviour
    • Relationship between employee AOD use and workplace impairment
  • Implications for workplace policy and programmes
background context
Background & Context
  • AODs problem in workplace because affects coordination & judgement - injury/property damage
  • Australian industries obligated under OHS legislation to ensure workers’ safety - implementation workplace AOD policies to avoid culpabilities for AOD-related injury/death
  • PhD research programme
    • Evaluating process and impact of workplace AOD policy in state-wide industry in Australia, to reduce impairment and prevent injury
  • Participants: 1163 employees (98% response rate) from 12 sites across Queensland, Australia
  • Data: survey pre-AOD policy implementation eliciting employee:
    • Demographics
    • Knowledge
    • Behavioural Intentions
    • Deterrence
    • AOD use
    • Self-reported behaviour
findings behavioural intentions and behaviour
Findings – Behavioural Intentions and Behaviour
  • Theory of Planned Behaviour (TpB)


Subjective Norms



Perceived Behavioural Control

utility of the tpb in this context
Utility of the TpB in this context

Table: The predictors of behavioural intentions

Table: Predicting behaviour

  • Not surprising: high levels of drinking or using drugs (esp dependency) would mean coming to work impaired, more likely
    • But, contrary to literature on workplace AOD impairment
  • TpB
    • Understanding mechanism by which behaviour change occurs in context of workplace AOD impairment
    • Targeting TpB constructs may improve impact of workplace programmes in reducing AOD impairment
  • AOD use
    • Reducing general levels of drinking & drug use likely to result in reduction of workplace AOD impairment

Thank you.

Mark your Diaries!

International Council on Alcohol, Drugs and Traffic Safety Conference (T2013)

August 2013, Brisbane Convention and Exhibition Centre