Patterns of participation over four rounds of annual fecal immunochemical test-based screening for colorectal cancer: what predicts rescreening?

Osborne, Joanne M.; Wilson, Carlene; Duncan, Amy; Cole, Stephen R.; Flight, Ingrid; Turnbull, Deborah; Hughes, Donna L.; Young, Graeme P.

doi:10.1186/s12889-017-4634-8

Table 2 Significant t-test comparisons of impact of prior FOBT experience and satisfaction on subsequent screening behavior patterns

From: Patterns of participation over four rounds of annual fecal immunochemical test-based screening for colorectal cancer: what predicts rescreening?

Experience variable	Behavior group	Frequency (n)	Mean	t-test result
Sustained In (IN) and Sustained Out (OUT)
Prior FOBT satisfaction	IN	408	4.38	t (306) = 2.07, p = .040*
Prior FOBT satisfaction	OUT	190	4.22	t (306) = 2.07, p = .040*
Sustained In (IN) and Change (CHANGE)
Prior FOBT satisfaction	IN	408	4.38	t (718) = 3.59, p < 001**
Prior FOBT satisfaction	CHANGE	312	4.16	t (718) = 3.59, p < 001**
Round 1 Negative^b	IN	611	4.55	t (885) = −2.69, p = .007*
Round 1 Negative^b	CHANGE	276	4.93	t (885) = −2.69, p = .007*
Sustained In (IN) and Sustained Change In to Out(C_SIO)
Prior FOBT satisfaction	IN	408	4.38	t (478) = 2.38, p = .018*
Prior FOBT satisfaction	C_SIO	72	4.14	t (478) = 2.38, p = .018*
Round 1 Negative^b	IN	611	4.55	t (761) = −2.72, p = .007*
Round 1 Negative^b	C_SIO	152	5.03	t (761) = −2.72, p = .007*
Prior experience and Round 2 participation
Prior FOBT satisfaction	Rnd 2 participant	583	4.30	t (908) = 1.72, p = .085 ^a
Prior FOBT satisfaction	Rnd 2 non-participant	327	4.20	t (908) = 1.72, p = .085 ^a
Round 1 Negative^b	Rnd 2 participant	728	4.56	t (885) = −3.54, p < 001**
Round 1 Negative^b	Rnd 2 non-participant	159	5.16	t (885) = −3.54, p < 001**
Prior experience and Round 3 participation
Prior FOBT satisfaction	Rnd 3 participant	597	4.33	t (908) = 3.03, p = .005*
Prior FOBT satisfaction	Rnd 3 non-participant	313	4.15	t (908) = 3.03, p = .005*
Round 1 Negative^b	Rnd 3 participant	708	4.57	t (885) = −3.06, p = .002*
Round 1 Negative^b	Rnd 3 non-participant	179	5.07	t (885) = −3.06, p = .002*
Round 2 Negative^b	Rnd 3 participant	766	4.22	t (856) = −2.85, p = .004*
Round 2 Negative^b	Rnd 3 non-participant	92	4.83	t (856) = −2.85, p = .004*
Round 2 General satisfaction	Rnd 3 participant	766	9.16	t (856) = 2.83, p = .005*
Round 2 General satisfaction	Rnd 3 non-participant	92	8.76	t (856) = 2.83, p = .005*
Prior experience and Round 4 participation
Prior FOBT satisfaction	Rnd 4 participant	562	4.33	t (908) = 2.66, p = .008*
Prior FOBT satisfaction	Rnd 4 non-participant	348	4.18	t (908) = 2.66, p = .008*
Round 3 General satisfaction	Rnd 4 participant	906	4.02	t (1027) = −2.42, p = .016*
Round 3 General satisfaction	Rnd 4 non-participant	123	4.39	t (1027) = −2.42, p = .016*

^atrend towards significance
^bnegative experiences (summary score of negative experiences – embarrassing and unpleasant)
*p < .05; **p < .001

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ISSN: 1471-2458

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