Table 2.
Multivariate analysis of characteristics associated with Blue Button use groups
| Characteristic | Predictor variables coding | OR (95% CI) current user (n=5995) vs non-user (n=11 671) | OR (95% CI) past user (n=732) vs non-user (n=11 671 |
|---|---|---|---|
| Age | Age group 18–39-year-olds=0, remaining coded in increments from 1 to 5 | 1.00 (0.97 to 1.04) | 0.96 (0.89 to 1.04) |
| Female gender | Female=1 | 0.82 (0.73 to 0.93)** | 0.79 (0.60 to 1.05) |
| Self-rated health status | Poor or fair=1 | 0.94 (0.87 to 1.02) | 0.95 (0.77 to 1.15) |
| Health conditions | |||
| Pain | 1.06 (0.99 to 1.14) | 1.26 (1.07 to 1.51)** | |
| Diabetes | 1.02 (0.95 to 1.09) | 0.84 (0.71 to 0.99)* | |
| Orthopedic problems | 1.07 (0.99 to 1.16) | 1.10 (0.92 to 1.32) | |
| Mental health | 0.96 (0.89 to 1.04) | 1.26 (1.06 to 1.52)** | |
| Lung disease/asthma | 1.14 (1.04 to 1.25)** | 1.31 (1.07 to 1.61)** | |
| Self-rated computer ability | Beginner=0 Intermediate=1 Advanced=2 | 1.60 (1.51 to 1.70)*** | 1.29 (1.13 to 1.49)*** |
| Has a system for organizing health information | Yes=1, No=0 | 1.38 (1.29 to 1.48)*** | 1.37 (1.18 to 1.63)*** |
| Values having own record of health | 0=Not at all or a little important 1=somewhat, very, or extremely important |
1.06 (0.91 to 1.23) | 0.58 (0.43 to 0.78)** |
*p<0.05; **p<0.01; ***p<0.001.