ASH Year 10 Snapshot Survey is one of the largest ongoing annual tobacco use youth surveys in the world. The survey allows New Zealand youth smoking rates to be tracked by gender, ethnic group and geographical area.

Additional information:

Have_(encrypted)_NHI No
Personally identifiable (e.g. linked to NHI numbers) and longitudinal or aggregated (e.g. for planning, clinical research etc.)? aggregated data reported; no identifying info is recorded
Volume of data (e.g. how many records) Since when? 2012 ASH Year 10 snapshot survey included 28443 students; ASH Year 10 surveys have been run from 1999-2012
Purpose and governance including ethics committee/patient consent mechanisms. Q: How do you get around ethics/privacy issues with your data sources? Esp. DHBs? The one-page two sided survey is completed in class time under the supervision of teaching staff. Surveys are confidential with no identifying information and teachers are requested not to check completed questionnaires. Ethical approval for the survey was granted by the Ministry of Health Multiregional Ethics Committee in 2007.
Scope National
Does the data contain diagnoses and clinical outcomes? Does the data contain procedures, device information and medication for therapy? Does this data set have cost / price data? no
Presence of Data dictionary? Column headings in Excel or any kind of data model if residing in a relational database (e.g. Access, SQL Server, Oracle etc.) Questionnaire, full code list, report
Linked (or linkable) to other datasets within your organisation or across the Sector Not linked
How often does this data set get updated? Daily? Weekly? Monthly? Quarterly? Yearly? Yearly
Brief info about the systems and processes used to collect/manage data. Q: Where the data is collected, in what form, and accessibility? Every year since 1999, all New Zealand schools with Year 10 students have been invited to participate in the survey. ASH sends all schools that consent to participate survey packs and instructions for teachers to administer the survey to all Year 10 students in the school.
Data format, e.g., data structure, data types, and storage form (relational database, Excel, csv, etc.). Unit record data, some derived variables
How well the data is structured, e.g. free text VS coded text VS pick-list (drop-down list) Data format - numeric or character? Mix
How quickly can the data be made available from time of request and how old is the data once it is made available HG: aggregated data is publicly available