| Methods |
Randomised controlled trial, unit of allocation = bar. |
| Participants |
Hobart, Tasmania; Australia
Experimental = 9 bars
Control = 9 bars |
| Interventions |
Health promotion intervention
Distribution of '0.05 Know Your Limits' themed educational/promotional material, consistent with the immediate goal of preventing drink‐driving.
Involved:
1) distribution of coasters advertising sensible drinking advice;
2) breath analyser placed in a prominent position and poster advertising its use;
3) stickers placed in toilets;
4) fact‐sheets. |
| Outcomes |
Behaviour of patrons (alcohol consumption) measured using breath tests and interviews. |
| Notes |
|
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
Low risk |
Eighteen 'hotels' in Hobart, were randomly allocated to experimental (n=9) or control groups (n=9) using a table of random numbers method. Allocation concealment was poor. |
| Allocation concealment? |
Unclear risk |
No information. |
| Blinding?
All outcomes |
Unclear risk |
Investigators were aware of the allocation status of the bars. The control bars, however, were not informed of their status. |
| Confounders |
Unclear risk |
Reported as being no difference. |
| Data collection methods |
Unclear risk |
Patrons were 'randomly' approached to be interviewed and breath tested. |
| Withdrawals & dropouts |
Unclear risk |
Two control bars withdrew from the patron surveys. |
| Intervention integrity |
Unclear risk |
Compliance with intervention varied. |
| Duration of follow‐up |
Unclear risk |
Intervention was implemented on the Monday of the trial week and follow‐up surveys made on the following Thursday, Friday and Saturday evenings. Response rates to the patron survey were 61% and 66% in experimental and control, respectively. |
