Table 3.
Comparison of Mean Time to Complete the Survey by Telephone or by Web for Parents and for Adolescents 14–17 Years of Age
| Telephone Minutes (SD) | Web Minutes (SD) | p | |
|---|---|---|---|
| All parents | |||
| Both languages | 32.5 (10.7) | 23.3 (12.6) | <.0001 |
| English | 30.6 (9.4) | 23.3 (12.6) | <.0001 |
| Spanish | 44.3 (11.4) | 26.0 (—)* | — |
| Parents with email addresses | |||
| Both languages | 30.7 (10.6) | 23.3 (12.6) | <.0001 |
| English | 30.0 (9.2) | 23.3 (12.6) | <.0001 |
| Spanish | 53.2 (23.1) | 26.0 (—)* | — |
| All adolescents | |||
| Both languages | 18.5 (5.9) | 17.6 (12.4) | .48 |
| English | 18.4 (5.9) | 17.6 (12.4) | .52 |
| Spanish | 22.5 (4.9) | — | — |
| Adolescents with email addresses† | |||
| Both languages | 17.7 (4.3) | 17.6 (12.4) | .89 |
| English | 17.7 (4.4) | 17.6 (12.4) | .92 |
| Spanish | 19.0 (—)* | — | — |
*
No SD given because only one respondent in the cell and no statistical test conducted.
†
We excluded parents who completed the survey in >120 minutes and adolescents who completed the survey in >80 minutes.