Appendix Table 4.

Adherence among participants who completed the first round of HSgFOBT^*

	Round 1	Round 2	Round 3	Round 4	Round 5**	Round 6**	Round 7**
	N (%)	N (%)	N (%)	N (%)	N (%)	N (%)	N (%)
Total HSgFOBT completed	1288/1762 (73.1%)	912/1096 (83.2%)	780/946 (82.5%)	668/842 (79.3%)	421/571 (73.7%)	211/287 (73.5%)	71/99 (71.7%)

High sensitivity fecal occult blood test (HSgFOBT)

^*Participants eligible for HSgFOBT by completing the first round of the study

^**Participants who joined the study early in the study period were eligible for 5 or more later rounds