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Information on how each variable was used in the matching process
| Variable | Controlled by |
|---|---|
| Deprivation of local area | Included in propensity-matched score |
| Co-morbidities | Included in propensity-matched score |
| Number in household | Included in propensity-matched score |
| Number of previous COVID tests | Included in propensity-matched score |
| Gender | Exact matching |
| Region | Exact matching |
| Age | Exact matching |
| Testing location | Exact matching |
