Table 2 Awareness and knowledge measures of all respondents before and after intervention
Baseline respondents (N = 170) n (%) | Follow-up respondents (N = 168) n (%) | P value | |
|---|---|---|---|
Which of these imaging modalities involves ionising radiation (tick all that do so)? | |||
Ultrasound scan (USS) | 6 (3.5) | 7 (4.2) | 0.761 |
Magnetic Resonance Imaging (MRI) | 13 (7.6) | 13 (7.7) | 0.975 |
Computerised tomography (CT) scan | 166 (97.6) | 163 (97.0) | 0.722 |
Chest x-ray | 165 (97.1) | 161 (95.8) | 0.543 |
PET scan | 137 (80.6) | 139 (82.7) | 0.610 |
Isotope bone scan | 142 (83.5) | 147 (87.5) | 0.300 |
What is the average impact of a Chest, Abdomen and Pelvis CT scan on the lifetime risk of cancer for a 20 year old female? | |||
Associated with approximately 1 in 30 lifetime risk of subsequent cancer | 8 (4.7) | 2 (1.2) | <0.001 |
Associated with approximately 1 in 300 lifetime risk of subsequent cancera | 38 (22.4) | 64 (38.1) | |
Associated with approximately 1 in 3000 lifetime risk of subsequent cancera | 78 (45.9) | 74 (44.1) | |
Associated with approximately 1 in 30,000 lifetime risk of subsequent cancer | 35 (20.6) | 27 (16.1) | |
Negligible | 11 (6.5) | 1 (0.6) | |
Have you noticed radiation harm information below the CT report at [hospital name]? | Not asked at baseline | n/a | |
Yes | 139 (83.7) | ||
No | 27 (16.3) | ||