Scottish Health Survey 2018 - volume 2: technical report

Information on methodology and fieldwork, including details of sampling, weighting, response rates, the survey questionnaire and other fieldwork documents.


Table 1.14 True standard errors and 95% confidence intervals for diet variables

2018
% (p) / Mean Sample size (unweighted) True standard error 95% confidence interval Design factor
upper lower
Men None 12 2074 0.9 10.8 14.2 1.26
Less than 1 portion 6 2074 0.6 4.5 6.9 1.28
1 portion or more but less than 2 20 2074 1.2 18.0 22.7 1.41
2 portions or more but less than 3 17 2074 0.9 15.1 18.7 1.19
3 portions or more but less than 4 16 2074 0.9 14.3 18.0 1.24
4 portions or more but less than 5 10 2074 0.8 8.4 11.4 1.22
5 portions or more 19 2074 1.1 17.0 21.2 1.31
Women None 8 2733 0.6 7.2 9.7 1.14
Less than 1 portion 4 2733 0.4 3.2 4.8 1.01
1 portion or more but less than 2 17 2733 0.9 15.3 18.7 1.16
2 portions or more but less than 3 17 2733 0.9 15.1 18.5 1.16
3 portions or more but less than 4 16 2733 0.8 14.4 17.7 1.12
4 portions or more but less than 5 14 2733 0.8 12.2 15.3 1.14
5 portions or more 24 2733 1.1 22.3 26.5 1.23
Adult mean adult fruit and vegetable consumption
Men Mean portions 2.9 2074 0.07 2.8 3.0 1.38
Women Mean portions 3.5 2733 0.07 3.4 3.6 1.27
Child (age 2-15) fruit and vegetable consumption
Boys None 11 930 1.2 9.0 13.6 1.10
Less than 1 portion 5 930 0.8 3.5 6.8 1.15
1 portion or more but less than 2 24 930 1.7 20.6 27.2 1.18
2 portions or more but less than 3 16 930 1.3 13.2 18.2 1.04
3 portions or more but less than 4 17 930 1.4 14.5 20.0 1.10
4 portions or more but less than 5 12 930 1.2 9.9 14.5 1.08
5 portions or more 16 930 1.4 13.1 18.5 1.12
Girls None 9 792 1.2 6.9 11.7 1.22
Less than 1 portion 5 792 0.9 3.3 6.9 1.22
1 portion or more but less than 2 20 792 1.7 16.7 23.3 1.22
2 portions or more but less than 3 24 792 1.8 20.7 27.6 1.19
3 portions or more but less than 4 16 792 1.5 13.7 19.6 1.17
4 portions or more but less than 5 11 792 1.3 9.0 14.1 1.17
5 portions or more 15 792 1.5 12.0 17.8 1.20
Child (age 2-15) mean fruit and vegetable consumption
Boys Mean portions 2.8 930 0.09 2.6 3.0 1.15
Girls Mean portions 2.8 792 0.10 2.7 3.0 1.31

Contact

Email: scottishhealthsurvey@gov.scot

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