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Table 2 Future Proofing app tasks, data and collection time points

From: A trial protocol for the effectiveness of digital interventions for preventing depression in adolescents: The Future Proofing Study

Smartphone-collected data

Approximate time

Baseline

Week 1

Week 2

Week 3

Week 4

Week 5

Week 6

6 months

12 months

24 months

36 months

48 months

60 months

Self-rated mood visual analogue scale (VAS)

1 min

•

•

•

•

•

•

•

•

•

•

•

•

•

Affective card sorting task (CST) cognitive game

3 min

•

•

•

•

•

•

•

•

•

•

•

•

•

Affective backward span task (BST) cognitive game

3 min

•

•

•

•

•

•

•

•

•

•

•

•

•

Speed of typing task

2 min

•

•

•

•

•

•

•

•

•

•

•

•

•

Voice sample task

2 min

•

 

•

 

•

 

•

•

•

•

•

•

•

Accelerometery (movement) device sensor data

3 months of continuous data collection

 

Gyroscope (movement) device sensor data

3 months of continuous data collection

 

GPS (location) device sensor data

3 months of continuous data collection

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