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. 2020 Jun 26;8(6):e15901. doi: 10.2196/15901

Table 1.

Strength Within Me study data.

Data source Examples of variables collected Examples of raw data Examples of derived data
Facebook Stats of Facebook activity and post activity Number of posts: 5 and number of total likes: 100 Average likes per post: 20
User input Journal, mood, reminders, and safety plan steps Journal entry: “Last night was horrible. I couldn’t sleep at all with the noise.” Sentiment: −0.8 and word count: 12
Clinical team Demographics and C-SSRSa responses Age: 35 years and C-SSRS risk overall: moderate C-SSRS risk binary: 1
Passive sensor data Sleep, steps, and interactions {dateTime: 23:10:00, value: awake}, {dateTime: 23:11:00, value: asleep} Sleep latency: 1 min and average time asleep: 5 hours

aC-SSRS: Columbia-suicide severity rating scale.