Table 2 Univariate analysis of individual psychosocial factors of index patients' siblings and their association with participation in colonoscopic screening.
Total | Participators | Non-participators | P | |
|---|---|---|---|---|
(n = 172) | (n = 114) | (n = 58) | ||
Health Belief Model | ||||
Perceived CRC vulnerability score (1 to 5) | 3.5 (1.2) | 3.7 (1.2) | 3.1 (1.1) | 0.0026 |
Perceived CRC severity score (2 to 10) | 7.7 (2.0) | 7.8 (1.9) | 7.5 (2.3) | 0.27 |
Perceived screening benefits score (6 to 30) | 25.6 (4.4) | 26.6 (3.6) | 23.6 (5.2) | 0.0004 |
Perceived screening barriers score (6 to 30) | 14.5 (6.0) | 12.9 (5.6) | 17.6 (5.6) | < 10-4 |
Score for motivation to safeguard health (7 to 35) | 28.0 (4.6) | 28.6 (4.4) | 26.9 (4.8) | 0.025 |
Fatalism score (4 to 20) | 11.1 (4.9) | 10.6 (4.8) | 12.1 (4.8) | 0.058 |
Theory of Reasoned Action | ||||
Attitude score (perceived usefulness of screening) (1 to 5) | 4.2 (1.2) | 4.4 (1.2) | 3.9 (1.1) | 0.024 |
Subjective norms(perceived social pressure to perform screening) | 134 (88.7) | 100 (98.0) | 34 (69.4) | < 10-4 |
Other preventive or screening behaviours | 158 (91.9) | 105 (92.1) | 53 (91.4) | 1.0 |
Smoking status | 0.038 | |||
Non-smoker | 109 (65.7) | 79 (72.5) | 30 (52.6) | |
Ex-smoker | 36 (21.7) | 19 (17.4) | 17 (29.8) | |
Smoker | 21 (12.6) | 11 (10.1) | 10 (17.5) | |