Table 3.
Adjusted odds ratios for the association of knowledge, anxiety and worry with adoption of healthy behaviours
| Adjusted odds ratio† | 95% confidence interval | P value | |
|---|---|---|---|
| Perceived knowledge of CRC risk factors |
|
|
|
| None |
– |
– |
– |
| A little |
4.16 |
0.06 to 25.04 |
0.12 |
| Somewhat |
5.01 |
0.91 to 27.61 |
0.64 |
| Very much so |
9.27 |
1.69 to 50.72 |
0.01 |
| Are genes the main cause of CRC? |
|
|
|
| Not at all |
– |
– |
– |
| A little |
2.58 |
0.40 to 16.65 |
0.32 |
| Somewhat |
2.71 |
0.44 to 16.65 |
0.28 |
| Very much so |
3.79 |
0.61 to 23.68 |
0.15 |
| Perceived risk of CRC, per SD increase |
1.30 |
0.97 to 1.75 |
0.083 |
| Global GAD-7 score, per SD increase |
0.66 |
0.49 to 0.89 |
0.007 |
| Worry about CRC due to family history |
|
|
|
| Never |
– |
– |
– |
| A little |
3.34 |
1.11 to 10.17 |
0.033 |
| Sometimes |
2.96 |
1.05 to 8.33 |
0.040 |
| Often/always‡ | 4.71 | 1.55 to 14.37 | 0.006 |
† Adjusted for age, sex, and NZDep score.
‡ Often/always combined due to low numbers reporting “always”.
Odds ratios are for the number of behaviours participants rated they had changed “Somewhat” or “Very much so” compared to “Not at all” or “A little”. CRC = colorectal cancer; GAD-7 = Generalized Anxiety Disorder scale – 7.