20 November 2018
The fieldwork for HSNI was conducted from April 2017 to March 2018. Data were collected from those aged 16 and over in private households in NI, unless otherwise stated. A random sample of 5,850 addresses across NI was selected for interviewing. The final achieved sample was 3,355 individuals, with a response rate of 52% achieved.
Alcohol consumption (respondents aged 18+)