Table 2.
Descriptive and multivariate logistic regression analyses regarding step one: self-formulated first reaction in response to the HRA invitation, for postal and telephone participants (n = 892), coded according to I-change model constructs.
| I-change construct | HRA completers, %n with this reaction n = 696 | HRA non-completers, %n with this reaction n = 196 | OR (95% CI) of completing the HRA | Main exemplification |
|---|---|---|---|---|
| Not answered | 10.3 | 23.5 | 1.00 | |
| Information factors; positive | 13.2 | 8.2 | 1.89 (1.08–3.32)⁎ | ‘Initiative GP/researcher/other’ |
| Information factors; negative | 4.6 | 1.0 | 6.44 (1.49–27.90)⁎ | ‘Cannot remember/have not received invitation’ |
| Awareness factors; positive | 12.9 | 10.2 | 1.39 (0.83–2.35) | ‘Obtain insight into risks’, ‘importance prevention’, ‘health/healthy aging’ |
| Awareness factors; negative | 3.0 | 3.6 | 1.06 (0.44–2.58) | ‘More useful for others’ |
| Motivation factors; positive/rational attitude | 57.8 | 55.1 | 1.53 (1.06–2.20)⁎ | ‘Good’, ‘positive’, ‘important’ |
| Motivation factors; negative/emotional attitude | 2.9 | 4.6 | 0.88 (0.38–2.06) | ‘Unnecessary’ |
| Motivation factors; positive social influences | 1.1 | 0 | NA | ‘Action linkage: help from others’ |
| Intention state; precontemplation | 1.7 | 3.6 | 0.69 (0.26–1.88) | ‘Not wanting to participate’ |
| Intention state; contemplation | 14.4 | 8.2 | 2.30 (1.29–4.08)⁎⁎ | ‘Wanting to participate’ |
| Barriers | 4.2 | 0.5 | 13.88 (1.85–104.21)⁎ | ‘No time’ |
| Ability factors | 3.7 | 3.1 | 2.10 (0.82–5.40)⁎⁎⁎ | ‘Having no barriers’ |
| Other | 4.3 | 2.6 | 2.33 (0.87–6.26) | Not specified |
CI = confidence interval, NA = not applicable.
⁎
p < .05.
⁎⁎
p < .01.
⁎⁎⁎
p < .001.