Appendix T-Topics in report and UK DS NI Report NDNS 2019-2023
Source: data.gov.uk (2025-10-10)

National Diet and Nutrition Survey 2017 to 2023 Report for Northern Ireland. This report presents results from 2017-2023 of the National Diet and Nutrition Survey (NDNS) for Northern Ireland. NDNS is a continuous cross-sectional survey, designed to assess the diet, nutrient intake and nutritional status of the general population aged 18 months and over living in private households in the UK.

National Diet and Nutrition Survey. Years 10 to 15 of the Rolling Programme for Northern Ireland (2017 – 2023) 
1 
 
 
 
Appendix T Topics covered in the Years 10 to 15 report and 
archived data 
 
This appendix provides information about topics included in report tables. After publication the survey datasets are deposited at the UK 
UK Data Service from where data can be accessed by researchers. 
 
Table T.1 Computer Assisted Personal Interview (Main Food Provider) 
 
Topic area and age group included in reported and archived data 
Included in report 
statistics tables 
Included in archived 
data 
Household information 
x 
 
Food deliveries 
x 
 
Addition of salt to food 
x 
 
Household food security i 
 
 
 
Job of Household Reference Person and equivalised income of household ii 
 
 
i Year 15 only. 
ii National Statistics Socio-economic Classification (NS-SEC) of the Household Reference Person. 
 
 
 

National Diet and Nutrition Survey. Years 10 to 15 of the Rolling Programme for Northern Ireland (2017 – 2023) 
2 
 
 
 
Table T.2 Computer Assisted Personal Interview (Individual participant) 
 
Topic area and age group included in reported and archived data 
Included in report 
statistics tables 
Included in archived 
data 
Ethnicity (all ages) 
 
 
Food at school (age 1.5 to 15 years (or age 16,17 years and in full-time education)) 
 
 
Eating outside of the home (all ages) 
 
 
Food frequency questions (all ages) 
x 
 
Dieting 
x 
 
Vegetarian/vegan status  
 
 
Self-rated general health and impact of any long-term conditions on day to day 
activities (all ages) 
x 
 
Oral health (age 16 years and over) 
x 
 
Drinking (age 8 years and over; those aged 8 to 17 years given a self-completion) 
x 
 
Smoking (age 8 years and over; those aged 8 to 17 years given a self-completion) 
x 
 
Education (age 16 years and over) 
x 
 
Wellbeing (age 16 years and over) 
x 
 
Sexual orientation (age 16 years and over) 
x 
 
Use of selected dietary supplements (Healthy Start, folic acid and vitamin D, 
including whether a participant is a supplement taker for the previous 12 months (all 
ages)) 
x 
 
 
 
 
 

National Diet and Nutrition Survey. Years 10 to 15 of the Rolling Programme for Northern Ireland (2017 – 2023) 
3 
 
 
 
 
Table T.3 Measurements and physical activity  
 
Topic area and age group included in reported and archived data 
Included in report statistics 
tables 
Included in archived 
data 
Height measurement (age 2 years and over) i 
 
 
Weight measurement (all ages) 
 
 
Self-reported height (age 2 years and over) 
 
 
Self-reported weight (all ages) 
 
 
Recent Physical Activity Questionnaire (RPAQ) (age 16 years and over) 
 
 
Child Physical Activity Questionnaire (CPAQ) (age 5 to 15 years) ii  
x 
 
Body Mass Index (all ages) 
 
 
Spot urine iodine data (age 4 years and over) 
 
 
  
i During remote fieldwork interviewer-measured height and weight could not be obtained, and instead participants were asked to self-report their height and 
weight. 
ii Includes participants aged 4 years who have started school. 
 
 
 
 

National Diet and Nutrition Survey. Years 10 to 15 of the Rolling Programme for Northern Ireland (2017 – 2023) 
4 
 
 
 
Table T.4 Dietary data (all ages) i   
 
Topic area and age group included in reported and archived data 
Included in report statistics 
tables 
Included in 
archived data 
Intake of all individual foods (and nutrients from each food) by day and eating time 
x 
 
Source of food (prepared in home or from out of home) for each eating time 
x 
 
Daily intake of food groups including NI strategy marker foods 
x 
 
Disaggregated daily intakes for meat, fish, fruit and vegetables 
x 
 
Daily intake of energy and nutrients 
x 
 
Mean intake of food groups including NI strategy marker foods  
 
 
Mean intake of disaggregated daily intakes for meat, fish, fruit and vegetables 
 
 
Mean intake of energy and macronutrients  
 
 
Per cent contribution of food groups to energy and nutrients 
 
x 
Mean intake of micronutrients from food sources only  
 
 
Mean intake of micronutrients from all sources including supplements  
 
 
Mean micronutrient intakes as per cent RNI from food sources only 
 
 
Mean micronutrient intakes as per cent RNI from all sources including supplements 
 
 
Per cent below LRNI for micronutrients from food sources only 
 
 
Per cent below LRNI for micronutrients from all sources including supplements  
 
 
Whether a participant is a vitamin D supplement taker on any of the dietary recording days 
 
 
Whether a participant is a folic acid supplement taker on any of the dietary recording days 
 
 
Equivalised income analysis for selected food groups  
 
 
Equivalised income analysis for energy and selected nutrients  
 
 
Per cent contribution of out of home sources to intakes of energy and selected nutrients 
 
 
Per cent of eating occasions by out of home sources 
 
 
 
 i A full list of nutrients and foods is provided in the User Guide accompanying NDNS RP data available on the UK Data Service.