Does it matter?

What are the implications of these results?

• The 1991 and 2001 data sets are old

• No location traces from then are likely to exist
• Even if they did, the individuals may have moved, died, changed status etc.

• Any risk from location tracing will apply to future data sets e.g. from the 2011 Census

• Publishing data sets for detailed geographies may constitute a potential risk, but it is limited