donnan_2024_chlq

33,109 responses from 1,035 respondents to 32 items.

About this table

DescriptionCannabis Health Literacy Questionnaire (32 items) from 1,035 Canadian adults: knowledge items scored correct/incorrect plus 5-point agreement items on risks and information seeking.
ReferenceJacques, Q., Donnan, J., Bishop, L., Howells, R., Gao, Z., & Najafizada, M. (2025). Development of a cannabis health literacy questionnaire: preliminary validation using the Rasch model. BMC Public Health, 25. https://doi.org/10.1186/s12889-025-23770-5
DOI10.1186/s12889-025-23770-5
LicenceCC0 1.0
Source datahttps://doi.org/10.5683/SP3/WM4BDU

Size and shape

Responses33,109
Respondents1,035
Items32
Response categories6
Responses per respondent31.989
Responses per item1034.656
Density1.000
LongitudinalFALSE

Classification

age rangeAdult (18+)
sampleInternet-based
construct typeCognitive/educational
measurement toolSurvey/questionnaire
item formatMixed
primary language(s)eng
construct nameCannabis health literacy

Codebook

This codebook is reconstructed by the IRW from the IRW data standard and the script that built it, donnan_2024_chlq.py. It is our best reading, not the source’s own codebook, and it may contain mistakes. Where the two disagree, the source data are the authority. If you find an error, please tell us.

ColumnWhat it isSource column
IRW standard columns
idIRW standard Identifier for the focal unit being measured — typically a person, but sometimes another entity (e.g., a word in a lexical task).made in the build script
itemIRW standard Item identifier.made in the build script
respIRW standard Response value.made in the build script

What item codes and covariate values stand for is in the codebook released with the source data.

Get the data

Download CSVno account neededBrowse on Redivisexplore and queryCroissant metadataHugging Face, Kaggle, OpenML

Or load it directly in R or Python (both need a free Redivis account; the first call opens a browser to sign in):

# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("donnan_2024_chlq")
# Python
pip install irw

import irw
df = irw.fetch("donnan_2024_chlq")

How to cite

@article{Jacques_2025, title={Development of a cannabis health literacy questionnaire: preliminary validation using the Rasch model}, volume={25}, ISSN={1471-2458}, url={http://dx.doi.org/10.1186/s12889-025-23770-5}, DOI={10.1186/s12889-025-23770-5}, number={1}, journal={BMC Public Health}, publisher={Springer Science and Business Media LLC}, author={Jacques, Queen and Donnan, Jennifer and Bishop, Lisa and Howells, Rachel and Gao, Zhiwei and Najafizada, Maisam}, year={2025}, month=July }

Version and provenance

IRW versionv584
Redivis datasetitem_response_warehouse_6 v5.11
Redivis dataset DOI10.57761/qahq-j855
Manifest pin for this IRW versionv5.11
Metadata sourceirw_meta v44.0