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Google Analytics data showing total visitors (n = 3752) between June 9 and September 30 (by Cost per Click and other), classified using their town into an arm in the trial or as other area (ie, not in the trial).
| Trial arm and intervention | Number of visitors (from Analytics) |
|
| n | % | |
| A (AdWords) | 554 | 15% |
| B (Website ads) | 29 | 1% |
| C (AdWords and website ads) | 2034 | 54.21% |
| D (Control) | 8 | 0% |
| Other | 1127 | 30.04% |
| Total | 3752 | |
