biostudies-literatureKaur NNIDA NIH HHS1152-1161https://www.ebi.ac.uk/biostudies/studies/S-EPMC7972999biostudies-literatureUnknown116(5)<h4>Background and aims</h4>Changes in cannabis legalization and availability in Australia necessitate monitoring use and attitudes. We estimated age-period-cohort effects of past-year cannabis use and attitudes toward criminalization and legalization.<h4>Design</h4>Analysis of six waves of the Australian National Drug Strategy Household Survey (NDSHS) every 3 years (2001-2016).<h4>Setting and participants</h4>The study was nationally representative of Australian households using multistage random sampling, totaling 145 168 respondents 18-79 years old. Data were collected using telephone, face-to-face, and drop-and-collect. Sample sizes per analysis varied based on data availability (~107 000-127 000 per model).<h4>Measurements</h4>Six waves of data for past-year cannabis use (by sex and eAddiction (Abingdon, England)Trends in cannabis use and attitudes toward legalization and use among Australians from 2001-2016: an age-period-cohort analysis.PMC7972999R01 DA048853Hamilton ADChapman CSwift WKaur NLivingston MSlade TKeyes KMfalseTrends in cannabis use and attitudes toward legalization and use among Australians from 2001-2016: an age-period-cohort analysis.<h4>Background and aims</h4>Changes in cannabis legalization and availability in Australia necessitate monitoring use and attitudes. We estimated age-period-cohort effects of past-year cannabis use and attitudes toward criminalization and legalization.<h4>Design</h4>Analysis of six waves of the Australian National Drug Strategy Household Survey (NDSHS) every 3 years (2001-2016).<h4>Setting and participants</h4>The study was nationally representative of Australian households using multistage random sampling, totaling 145 168 respondents 18-79 years old. Data were collected using telephone, face-to-face, and drop-and-collect. Sample sizes per analysis varied based on data availability (~107 000-127 000 per model).<h4>Measurements</h4>Six waves of data for past-year cannabis use (by sex and e2021-01-01T00:00:00Z2021 May2025-04-04T19:54:05.957Z2025-04-04T19:54:05.957ZS-EPMC79729993294941810.1111/add.15271