Question to the Department of Health and Social Care:

To ask Her Majesty's Government how many people used the national data opt-out online service from NHS Digital to (1) opt out, and (2) to opt back in having previously opted out, in October 2018.

The online national data opt-out service was visited by 7,106 people during October 2018. Of these 453 set a new opt-out, and 113 chose to reverse an existing opt-out.