Background
Disgust
Methods
Ethical approval
Recruitment
Inclusion criteria
Design
Procedure
Measures
Intention to complete and return, anticipated disgust, ease of completion
Trait disgust
Power analysis
Statistical analyses
Participants
First presentation | |||
---|---|---|---|
FOBT | FIT | All | |
n | 99 | 101 | 200 |
Age, mean (SD) | 58.1 (11.4) | 54.9 (11.0) | 56.5 (11.2) |
Gender: female, n (%) | 60 (60.6) | 57 (56.4) | 117 (58.5) |
aSIMD quintile: 1 | 15 (15.2) | 18 (17.8) | 33 (16.5) |
2 | 17 (17.2) | 15 (14.9) | 32 (16.0) |
3 | 23 (23.2) | 14 (13.9) | 37 (18.5) |
4 | 12 (12.1) | 22 (21.8) | 34 (17.0) |
5 | 32 (32.2) | 32 (31.7) | 64 (32.0) |
Previous major illness: | |||
Yes | 30 (30.3) | 23 (22.8) | 53 (26.5) |
Family history of illness: | |||
Yes | 47 (47.5) | 48 (47.5) | 95 (47.5) |
bPrevious cancer screening: | |||
Yes | 78 (78.8) | 73 (72.3) | 151 (75.7) |
Previous FOBT screening: | |||
Yes | 40 (40.4) | 44 (43.4) | 84 (42.0) |
Results
Intention to complete and return, perceived disgust and ease of completion
Mean (s.d) | 95 % CI for mean | Mean (s.d) | 95 % CI for mean | Individual main effects | |
---|---|---|---|---|---|
Type of kit
|
FOBT
|
FIT
| |||
Perceived ease of completion | 5.32 (0.9) | (5.14, 5.49) | 6.16 (0.5) | (6.06, 6.27) | F(1,192) = 60.7, p < .001, η2 = .34 |
Perceived disgust | 3.91 (0.1) | (3.69, 4.12) | 2.85 (0.1) | (2.65, 3.04) | F(1,192) = 95.5, p < .001, η2 = .43 |
Intention to complete kit | 5.63 (0.1) | (5.42, 5.84) | 6.24 (0.1) | (6.12, 6.36) | F(1,192) = 31.8, p < .001, η2 = .18 |
Gender
|
Female
|
Male
| |||
Perceived ease of completion | 5.61 (0.1) | (5.46, 5.76) | 5.87 (0.1) | (5.68, 6.06) | F(1,192) = 4.6, p = .033, η2 = .023 |
Perceived disgust | 3.57 (0.1) | (3.34, 3.79) | 3.19 (0.1) | (2.89, 3.48) | F(1,192) = 4.2, p = .043, η2 = .021 |
Intention to complete kit | 5.92 (0.1) | (5.74, 6.10) | 5.95 (0.1) | (5.72, 6.18) | F(1,192) = 0.03, p = .990, η2 = .000 |
Trait disgust
Logistic regression
FOBT | FIT | |||
---|---|---|---|---|
Unadjusted Odds ratio |
aAdjusted Odds ratio | Unadjusted Odds ratio |
aAdjusted Odds ratio | |
Age | 1.01 (0.99, 1.04 | 1.01 (0.97, 1.05) | 1.01 (0.97, 1.04) | 0.99 (0.94, 1.04) |
GenderᅟᅟᅟᅟF | - | - | - | - |
ᅟᅟᅟᅟᅟᅟᅟM | 0.86 (0.48, 1.56) | 0.96 (0.43, 2.14) | 0.56 (0.24, 1.29) | 2.18 (0.74, 6.42) |
SIMD quintileᅟ1 | - | - | - | - |
ᅟᅟᅟᅟᅟ 2 | 1.06 (0.40, 2.81) | 0.99 (0.31, 3.14) | 2.63 (0.72, 9.61) | 2.91 (0.60, 14.11) |
ᅟᅟᅟᅟᅟ 3 | 2.50 (0.95, 6.60) | 1.75 (0.55, 5.58) | 3.09 (0.85, 11.24) | 1.97 (0.42, 9.20) |
ᅟᅟᅟᅟᅟ 4 | 2.88 (1.05, 7.88)* | 2.77 (0.86, 8.95) | 1.75 (0.54, 5.63) | 1.51 (0.37, 6.24) |
ᅟᅟᅟᅟᅟ 5 | 5.20 (2.05, 13.17)** | 3.34 (1.16, 9.58)* | 3.05 (1.02, 9.15)* | 1.58 (0.42, 6.02) |
Perceived ease of completion | 2.15 (1.61, 2.88)*** | 1.37 (0.94, 2.01) | 4.38 (2.45, 7.83)*** | 2.73 (1.33, 5.60)** |
Perceived disgust | 0.48 (0.37, 0.63)*** | 0.59 (0.41, 0.83)** | 0.58 (0.43, 0.79)*** | 0.76 (0.50, 1.16) |
Trait disgust propensity | 0.52 (0.31, 0.88)* | 1.08 (0.52, 2.23) | 0.52 (0.27, 1.01) | 1.18 (0.47, 2.97) |
Trait disgust sensitivity | 0.46 (0.28, 0.77)** | 0.63 (0.32, 1.25) | 0.37 (0.20, 0.69)** | 0.52 (0.21, 1.30) |
Experience of major illness (self) | ||||
No | - | - | - | - |
Yes | 0.74 (0.39, 1.41) | 0.68 (0.30, 1.55) | 0.48 (0.21, 1.007) | 0.40 (0.13, 1.21) |
Family history of major illness | ||||
No | - | - | - | - |
Yes | 0.82 (0.46, 1.47) | 0.72 (0.36, 1.47) | 0.65 (0.30, 1.42) | 0.80 (0.31, 2.03) |
bPrevious cancer screening | ||||
No | - | - | - | - |
Yes | 2.26 (1.17, 4.37)* | 2.91 (1.06, 8.04)* | 2.01 (0.88, 4.59) | 3.52 (0.95, 12.99) |
Previous FOBT screening | ||||
No | - | - | - | - |
Yes | 2.12 (1.14, 3.92)* | 0.96 (0.35, 2.01) | 1.84 (0.80, 4.26) | 1.13 (0.30, 4.23) |