_id Trial_days Site Number 0-5 6-10 11-15 16-20 21-25 26-30 1 28 C01T4 0 0 0 1 0 0 2 28 C02T2 0 0 0 0 0 0 3 28 C02T3 0 0 0 0 0 0 4 34 C03T3 0 1 1 1 0 1 5 34 C04T3 0 0 0 0 0 0 6 11 C04T4 1 1 0 - - - 7 34 C05T3 1 0 0 0 0 0 8 33 C06T3 0 0 0 0 0 0 9 27 C07T3 0 0 0 0 1 - 10 27 C08T3 0 1 0 0 0 - 11 28 C09T2 0 0 0 0 0 0 12 6 C09T3 1 - - - - - 13 34 C10T3 0 0 0 1 0 1 14 27 C11T3 0 0 0 1 0 - 15 27 C12T3 0 0 0 0 0 - 16 28 C13T3 0 0 0 0 0 0 17 28 C13T4 0 0 1 0 0 0 18 32 C14T3 0 0 0 1 0 0 19 19 C14T4 0 0 0 0 - -