Table 2: Effects of age, sex, location of residence and socioeconomic status on the prevalence of benzodiazepine and Z-drug (zopiclone and zaleplon) use in Manitoba, 1996–2012
VariableDrug use; relative rate*
Benzodiazepines and Z-drugs Benzodiazepines aloneZ-drugs alone
Users per 1000 population
Change in annual rate1.02†1.01 1.08†
  18–64 v. ≥ 650.50†0.52†0.44†
  0–17 v. ≥ 650.03†0.03†0.01†
Sex, male v. female0.66†0.65†0.64†
Location, rural v. urban0.88†0.85†1.04
Socioeconomic status
  High v. low0.910.88†1.02†
  Not found‡ v. low1.53†1.56†1.25†

*Unless states otherwise. Relative rates were adjusted for age, socioeconomic status, region and sex.
†Significant effect (p < 0.05).
‡Includes people to whom a neighbourhood income could not be assigned, i.e., residents of personal care homes, psychiatric facilities and prisons as well as wards of the public trustee and Child and Family Services.