Table 1.
Overview of components found in each intervention group and the control group
|
|
|
Study groups | ||
|
|
|
Computer-tailored intervention |
Peer support intervention |
Control group |
| Computer tailoring |
|
|
|
|
|
|
Personalizationa | xb |
|
|
|
|
Content matchinga | xb |
|
|
|
|
Feedbacka | xb |
|
|
| Peer support opportunities |
|
|
xb |
|
| PA: cognitions messages |
|
|
|
|
|
|
Intention | x | x |
|
|
|
Attitude (pros and cons) | x | x |
|
|
|
Social influence | x | x |
|
|
|
Self-efficacy | x | x |
|
|
|
Risk perception | x | x |
|
|
|
Type of motivation | x | x |
|
| Action planning |
|
x | x |
|
| Goal setting |
|
x | x |
|
| Self-monitoring of PA |
|
x | x |
|
| Periodic email promptsc |
|
x | x | x |
aContemporary computer-tailoring terminology summarized by Harrington and Noar [81].
bDistinctive components of each intervention
cEmails were sent only to stimulate participants to reuse the interventions or to complete posttest evaluations.