Table 1 Comparison between Fresh Facts (15 day) and Fresh Facts (30 day)
Fresh Facts (15 day) | Fresh Facts (30 day) | ||||
|---|---|---|---|---|---|
High Frequency | Medium Frequency | Low Frequency | High Frequency | Low Frequency | |
Intervention target(s) | Perceived behavioural control | Perceived behavioural control, attitude, subjective norm | |||
Email frequency | 15 | 10 | 5 | 27 | 9 |
Total number of intervention messages | 15 | 10 | 5 | 27 | 27 |
Intervention messages per email | 1 | 1 | 1 | 1 | 3 |
Email format | Text only | Text only | Text only | HTML and Text | HTML and Text |
Images included in emails | No | No | No | Yes | Yes |