Table 1.
Website use, motivational interviews, and participant contacts.
| Outcomes | CATCH-ITa, mean (SD) | Health education, mean (SD) | CATCH-IT, median (IQR) | Health education, median (IQR) | P valueb | ||
| Website use |
|
|
|
|
|
||
|
|
Adolescentsc |
|
|
|
|
|
|
|
|
|
Modules completed | 3.4 (4.7) | 6.8 (6.5) | 1 (4) | 4 (14) | .003 |
|
|
|
Total minutes on site | 100.2 (143.1) | 22.8 (31.0) | 39.6 (149.2) | 8.4 (35.1) | <.001 |
|
|
|
Days visited site | 3.7 (4.5) | 1.4 (1.6) | 2 (4) | 1 (2) | <.001 |
|
|
|
Total characters typed | 3071 (4572) | N/Ad | 923 (4469) | N/A | N/A |
|
|
Parentse |
|
|
|
|
|
|
|
|
|
Modules completed | 2.1 (2.0) | 2.2 (1.9) | 2 (4) | 4 (4) | .80 |
|
|
|
Total minutes on site | 32.6 (37.3) | 8.6 (10.0) | 22.4 (51.9) | 5.6 (14.9) | <.001 |
|
|
|
Days visited site | 1.6 (1.6) | 0.9 (1.1) | 1 (2) | 1 (1) | <.001 |
|
|
|
Total characters typed | 716 (977) | N/A | 101 (1205) | N/A | N/A |
|
|
Adolescents and parents |
|
|
|
|
|
|
|
|
|
Modules completed | 5.3 (5.8) | 8.8 (7.3) | 4 (8) | 8 (17) | <.001 |
|
|
|
Total minutes on site | 130.6 (157.9) | 30.6 (35.6) | 75.8 (192.2) | 18.9 (40.8) | <.001 |
|
|
|
Days visited site | 5.2 (5.2) | 2.2 (2.2) | 4 (6) | 2 (2) | <.001 |
|
|
|
Total characters typed | 3713 (4932) |
|
1899 (5792) |
|
|
| Motivational interviewsf |
|
|
|
|
|
||
|
|
Adolescents | 2.0 (0.9) | N/A | 2 (2) | N/A | N/A | |
|
|
Parents | 1.9 (0.9) | N/A | 2 (2) | N/A | N/A | |
|
|
Adolescents and parents | 3.8 (1.8) | N/A | 4 (4) | N/A | N/A | |
| Participant contactsg | 17 (9) | N/A | 18 (13) | N/A | .004 | ||
aCATCH-IT: Competent Adulthood Transition with Cognitive Behavioral Humanistic and Interpersonal Training.
bMedians were compared using Wilcoxon rank-sum test.
cn=193 for the CATCH-IT group; n=176 for the health education group.
dN/A: not applicable.
en=165 for the CATCH-IT group; n=157for the health education group.
fCATCH-IT adolescents and parents were offered 3 motivational interviews; see Multimedia Appendix 1 for additional information.
gn=248 telephone calls and emails with Chicago participants, including administrative contacts such as scheduling calls in addition to coaching calls, safety checks, and motivational interview calls. See Multimedia Appendix 1 for additional information.