Factors associated with participation (N = 1267) | Factors associated with adherence (N = 1155) | |||||
---|---|---|---|---|---|---|
OR | 95%CI | p | OR | 95% CI | p | |
Age (years) | 0.94 | 0.91, 0.98 | 0.001 | - | - | - |
Household monthly income | < 0.001 | - | - | - | ||
< 1000€ | 1.00 | |||||
1000–1999€ | 2.20 | 1.27, 3.80 | 0.005 | |||
2000–2999€ | 2.56 | 1.47, 4.47 | 0.001 | |||
3000–3999€ | 3.91 | 2.07, 7.38 | < 0.001 | |||
> 4000€ | 4.42 | 2.12, 9.19 | < 0.001 | |||
Town popn. size > 200 000 | - | - | - | 0.71 | 0.55, 0.92 | 0.009 |
First source of information about trial | < 0.001 | - | - | - | ||
Doctor | 1.00 | |||||
Media | 1.67 | 1.09, 2.57 | 0.019 | |||
Intermediarya | 2.15 | 1.45, 3.20 | < 0.001 | |||
Family history of AD or related disordersb | 0.036 | . | . | . | ||
No | 1.00 | |||||
Yes | 1.60 | 1.10, 2.32 | 0.013 | |||
Do not know | 1.38 | 0.82, 2.24 | 0.228 | |||
Perceived risk of ADc | 1.73 | 1.30, 2.29 | < 0.001 | - | - | - |
Perceived social supportc | . | . | . | 1.21 | 1.03, 1.43 | 0.024 |
Emotional stabilityc | 0.61 | 0.47, 0.79 | < 0.001 | - | - | - |
BMI, kg/m2 | N/A | N/A | N/A | 0.040 | ||
18.5–24.9 | 1.00 | |||||
25–29.9 | 0.75 | 0.57, 0.98 | 0.035 | |||
≥ 30 | 0.68 | 0.47, 0.97 | 0.036 | |||
Cognitive function (composite z score) | N/A | N/A | N/A | 1.37 | 1.13, 1.67 | 0.001 |
Depressive symptoms (GDS) | N/A | N/A | N/A | 0.94 | 0.90, 0.99 | 0.024 |