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Table 4 Adherence to trial procedure pre- and post-intervention

From: SWAT-1: The effectiveness of a ‘site visit’ intervention on recruitment rates in a multi-centre randomised trial

Site and time-point Pre-intervention (number screened eligible who received study information/total screened eligible) Pre-intervention (number screened eligible who received study information/total screened eligible) P value
Site A at 1 month 58% (15/26) 82% (28/34) 0.02
Site A at 3 months 63% (45/72) 87% (90/103) <0.0001
Site B at 1 month 68% (49/72) 72% (54/75) 0.30
Site B at 3 months 66% (107/163) 72% (137/189) 0.08
Site C at 1 month 95% (40/42) 85% (33/39) 0.55
Site C at 3 months 90% (106/118) 88% (84/95) 0.37