Table 1.
Model parameters and their initial values
| Parameter | Value | Reference |
|---|---|---|
| Household Structure | ||
| Working adult and children (%) | 30.5 | Office of National Statistics, https://www.nomisweb.co.uk/ (2019) |
| Working adult but not children (%) | 54.4 | |
| No working adults, but children (%) | 2.6 | |
| No working adults or children (%) | 12.4 | |
| Workplace size: number of employees (n workplaces) | ||
| Big | 232 (2) | Scottish Government, Business in Scotland (2017) created in proportion to the population |
| Medium | 132 (5) | |
| Small | 24 (7) | |
| Schools: number of students (n schools) | ||
| Secondary | 230 (1) | Derived from Aberdeen City Census (2011) |
| Primary | 89 (3) | |
| Diet behaviour | ||
| Mean diet quality | calculated | |
| Variability in diet quality | Normal (mean = 13, sd = 2.5) | Calculated from Kantar World Panel sample of 1198 Scottish households |
| Weight toward group matching | Triangular (min = 0, peak = 0.39, max = 1) | Based on Vartanian et al. (2015) |
| Empirical diets | ||
| Diet Quality Index (median, IQR) | 38.1, 26.3 to 51.3 | Calculated for n = 837 Scottish adults from NDNS years 1–4 |