Age (years) | ||||
---|---|---|---|---|
<45 years | 45-64 years | 65+ years | p-value | |
Paper surveys mailed home | 0.4 ± 0.7 | 1.1 ± 1.2 | 2.1 ± 1.2 | <0.001 |
Paper or tablet at clinic | 0.6 ± 1.1 | 0.7 ± 1.0 | 0.9 ± 1.0 | 0.12 |
Phone survey | 0.1 ± 0.4 | 0.1 ± 0.4 | 0.2 ± 0.6 | 0.03 |
E-mail survey | 2.0 ± 1.0 | 1.8 ± 1.2 | 1.1 ± 1.2 | <0.001 |
Internet survey | 1.9 ± 1.1 | 1.4 ± 1.2 | 0.6 ± 1.0 | <0.001 |
Survey using a PDA (application) | 0.9 ± 1.0 | 0.4 ± 0.8 | 0.2 ± 0.5 | <0.001 |