Table 2

Sample characteristics of participants who completed the AUDIT (n=1410)*

Characteristic% (n)Characteristic% (n)
Sociodemographics†
Sex‡Education
 Male86.9 (1225) Year 10 or less20.1 (283)
 Female12.5 (176) Year 12 or equivalent12.1 (170)
 Not disclosed0.6 (9) Trade/apprenticeship36.1 (510)
Age, years Certificate/diploma17.1 (241)
 <247.9 (112) University or higher degree14.1 (199)
 25–3431.0 (437) Not disclosed0.5 (7)
 35–4430.8 (434)Social Network Index
 45–5422.7 (320) Low12.0 (169)
 55+6.9 (97) Medium38.3 (540)
 Not disclosed0.7 (10) Medium high35.7 (540)
Dependent children High11.8 (167)
 No40.8 (575) Not disclosed2.1 (30)
 Yes59.2 (836)
Health characteristics
Cannabis useDepression
 Never used64.1 (900) No88.6 (1249)
 Used, but not in the past month33.5 (472) Yes11.4 (161)
 Used in the past month2.3 (33)Anxiety
Synthetic cannabis use No89.9 (1268)
 Never used91.0 (1283) Yes10.1 (142)
 Used, but not in the past month8.1 (114)Chronic physical condition
 Used in the past month0.5 (7) No58.2 (820)
Other illicit drug use Yes36.7 (518)
 Never used80.1 (1130)Drug and/or alcohol problems
 Used, but not in the past month17.5 (247) No97.6 (1376)
 Used in the past month1.8 (26) Yes2.4 (34)
Smoking statusPsychological distress
 Never smoked55.1 (777) Low60.6 (855)
 Ex-smoker25.7 (363) Moderate26.3 (371)
 Smoke, but less than daily4.7 (66) High9.6 (136)
 Daily smoker14.0 (197) Very high3.0 (43)
Workplace factors
Mine workersYears working in mining§
 FIFO/DIDO28.4 (401) 2 years or less18.2 (257)
 Local71.3 (1006) 3–10 years43.3 (611)
 Not disclosed0.2 (3) More than 10 years37.8 (533)
Mine type Not disclosed0.6 (9)
 Underground52.8 (745)Work schedule
 Open cut47.2 (665) Regular shift47.8 (673)
Employment category Rotating shift50.2 (708)
 Manager4.8 (67) Other1.9 (27)
 Professional (eg, engineer, OH&S)13.5 (190) Not disclosed0.1 (2)
 Technician or tradesman34.4 (485)Most common shift length
 Machinery operator or labourer41.3 (583) 8 hours or less13.1 (185)
 Clerical, admin or other6.0 (85) 9–12 hours52.2 (736)
 More than 12 hours34.3 (484)
 Not disclosed0.4 (5)
  • *Forty-seven participants were excluded with incomplete AUDIT scores. However, excluded participants did not significantly differ from respondents who completed the AUDIT on any of the tabled variables.

  • †Ethnicity was not included as a predictor as 90.4% of the sample was Australian born.

  • ‡Of the 12.5% who were female, there were differential rates among technician/trade (7.2%), professional (30.4%), management (3.3%), machinery operator (38.7%) and administrative (20.4%) roles.

  • §Union membership increased with years working in mining (25.7%; 40.5%; 48.7%).

  • AUDIT, Alcohol Use Disorders Identification Test; DIDO, drive-in drive-out; FIFO, fly-in fly-out; OH&S, occupational health and safety.