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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*
OUT 190 4.22
Sustained In (IN) and Change (CHANGE)
 Prior FOBT satisfaction IN 408 4.38 t (718) = 3.59, p < 001**
CHANGE 312 4.16
 Round 1 Negativeb IN 611 4.55 t (885) = −2.69, p = .007*
CHANGE 276 4.93
Sustained In (IN) and Sustained Change In to Out(CSIO)
 Prior FOBT satisfaction IN 408 4.38 t (478) = 2.38, p = .018*
CSIO 72 4.14
 Round 1 Negativeb IN 611 4.55 t (761) = −2.72, p = .007*
CSIO 152 5.03
Prior experience and Round 2 participation
 Prior FOBT satisfaction Rnd 2 participant 583 4.30 t (908) = 1.72, p = .085 a
Rnd 2 non-participant 327 4.20
 Round 1 Negativeb Rnd 2 participant 728 4.56 t (885) = −3.54, p < 001**
Rnd 2 non-participant 159 5.16
Prior experience and Round 3 participation
 Prior FOBT satisfaction Rnd 3 participant 597 4.33 t (908) = 3.03, p = .005*
Rnd 3 non-participant 313 4.15
 Round 1 Negativeb Rnd 3 participant 708 4.57 t (885) = −3.06, p = .002*
Rnd 3 non-participant 179 5.07
 Round 2 Negativeb Rnd 3 participant 766 4.22 t (856) = −2.85, p = .004*
Rnd 3 non-participant 92 4.83
 Round 2 General satisfaction Rnd 3 participant 766 9.16 t (856) = 2.83, p = .005*
Rnd 3 non-participant 92 8.76
Prior experience and Round 4 participation
 Prior FOBT satisfaction Rnd 4 participant 562 4.33 t (908) = 2.66, p = .008*
Rnd 4 non-participant 348 4.18
 Round 3 General satisfaction Rnd 4 participant 906 4.02 t (1027) = −2.42, p = .016*
Rnd 4 non-participant 123 4.39
  1. atrend towards significance
  2. bnegative experiences (summary score of negative experiences – embarrassing and unpleasant)
  3. *p < .05; **p < .001
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