Table 1

Key dates for evaluation of the ‘Water in Sport’ initiative

Data sourceAvailable data range (week beginning)Period nameAnalysis date range (week beginning)Period duration
Start dateEnd dateStart dateEnd date*
Implementation audit22 January 201820 March 2020Baseline audit (0 month)20 May 201810 June 2019Single time point
6 month†15 October 20186 January 2020Single time point
12 month‡4 March 20199 December 2019Single time point
18 month§18 February 201917 February 2020Single time point
Sales data: seasonal facilities2 November 201523 March 2020Summer 1 preimplementation5 December 201627 February 201713 weeks
Summer 2 preimplementation4 Dec 201726 February 201813 weeks
Summer 1 postimplementation3 December 201825 February 201913 weeks
Summer 2 postimplementation2 December 201924 February 202013 weeks
Sales data: non-seasonal facilities2 November 201523 March 2020Preimplementation4 January 201626 February 2018113 weeks
Implementation5 March 201824 September 201830 weeks
Postimplementation1 October 201824 February 202074 weeks

  • *Analysis date ranges for all data sources ended February 2020, due to COVID-19-related shutdowns of sporting facilities from March 2020.

  • †Mean 160.3 (SD 64.4) days post baseline audit.

  • ‡Mean 363.2 (SD 42.9) days post baseline audit.

  • §Mean 504.1 (SD 80.4) days post baseline audit.