Table 3.
Work-related characteristics in relation to prevalence of past-month drug use among 16,610 construction trade/extraction workers in the US, 2005–2014
| Marijuana | Cocaine | Prescription Opioids | |
|---|---|---|---|
| aOR (95% CI) | aOR (95% CI) | aOR (95% CI) | |
| Unemployed in Past Week | |||
| No | 1.00 | 1.00 | 1.00 |
| Yes | 1.88 (1.10–3.20)c | 1.67 (0.57–4.90) | 2.25 (1.07–4.70)a |
| Number of Hours Worked Last Week | |||
| 1–20 hours | 1.00 | 1.00 | 1.00 |
| 21–40 hours | 1.06 (0.82–1.37) | 1.10 (0.57–2.14) | 1.21 (0.81–1.81) |
| 41–60 hours | 0.83 (0.63–1.11) | 0.60 (0.31–1.16) | 1.13 (0.70–1.82) |
| ≥60 hours | 0.77 (0.48–1.22) | 0.87 (0.34–2.20) | 0.74 (0.36–1.51) |
| Number of Employers in Past Year | |||
| One | 1.00 | 1.00 | 1.00 |
| Two | 1.33 (1.08–1.65)b | 1.10 (0.77–1.56) | 1.31 (0.91–1.88) |
| Three or More | 1.74 (1.40–2.15)a | 1.50 (0.93–2.43) | 1.56 (1.14–2.15)b |
| Organization or Business Type | |||
| Private | 1.00 | 1.00 | 1.00 |
| Government | 0.78 (0.52–1.18) | 0.79 (0.29–2.12) | 0.63 (0.33–1.22) |
| Self–Employed | 0.94 (0.75–1.18) | 1.35 (0.87–2.10) | 0.75 (0.51–1.09) |
| Number of Days Missed because Sick or Injured (in Past 30) | |||
| 0 | 1.00 | 1.00 | 1.00 |
| 1–2 | 1.13 (0.90–1.42) | 0.87 (0.53–1.41) | 1.00 (0.71–1.40) |
| 3–5 | 1.14 (0.81–1.61) | 1.50 (0.73–3.10) | 2.02 (1.23–3.32)b |
| ≥6 | 1.09 (0.63–1.87) | 1.20 (0.53–2.73) | 1.79 (0.82–3.91) |
| Number of Days Missed because Did Not Want to Go In (in Past 30) | |||
| 0 | 1.00 | 1.00 | 1.00 |
| 1–2 | 1.85 (1.36–2.52)a | 2.21 (1.28–3.81)b | 2.00 (1.33–3.02)b |
| 3–5 | 1.76 (1.10–2.83)c | 1.29 (0.57–2.91) | 1.14 (0.66–1.96) |
| ≥6 | 1.09 (0.54–2.21) | 2.60 (0.84–8.03) | 1.71 (0.60–4.89) |
| Number of People Employed by Employer | |||
| <10 people | 1.00 | 1.00 | 1.00 |
| 10–24 people | 0.82 (0.66–1.03) | 1.52 (0.96–2.41) | 1.10 (0.76–1.59) |
| 25–99 people | 0.85 (0.66–1.09) | 1.52 (0.82–2.81) | 0.77 (0.49–1.21) |
| 100–499 people | 0.89 (0.57–1.39) | 1.16 (0.55–2.45) | 0.62 (0.34–1.13) |
| 500 people | 0.77 (0.45–1.31) | 1.72 (0.44–6.71) | 0.78 (0.34–1.79) |
Note. aOR: adjusted odds ratio (controlling for year of survey, age, sex, race, marital status, and educational attainment); CI: confidence interval. We added a category for 0 hours worked in the past week to prevent listwise deletion of those currently unemployed (aOR not generated or presented as we include a variable indicating whether the individual is employed).
a
p < .05,
b
p < .01,
c
p <.001