Table 2.
Spearman correlation coefficients between the value on the paper survey and the average value on the weekly app survey.
| Survey | Days before and after the paper survey, number of patients reporting through the app, and scores | ||||||||||
|
|
Same day (n=34) | 3 days (n=73) | 7 days (n=102) | ||||||||
|
|
Correlation | S-statistic | P value | Correlation | S-statistic | P value | Correlation | S-statistic | P value |
|
|
| Distress thermometer | .603 | 2601 | <.001 | .437 | 36,511 | <.001 | .415 | 103,473 | <.001 |
|
|
| IPAQa total physical activity METb (Q2-6) | .427 | 3753.1 | .01 | .324 | 43,790 | .005 | .291 | 125,385 | .003 |
|
|
| IPAQ sitting MET (Q7) | .155 | 5530.3 | .38 | .090 | 58,977 | .45 | .061 | 166,062 | .54 |
|
|
aIPAQ: International Physical Activity Questionnaire.
bMET: metabolic equivalent of task.