Table 7.

Extracted behavioral patterns associated with the feeling of isolation.

Pattern (features categorized into low, medium, and high)	UCLAa14 level	Support, % (minimum support = 10%)	Confidence, % (minimum confidence = 90%)
Number of scans of the least frequent Bluetooth device belonging to others [morning, weekend] = low and study duration [afternoon, weekend] = low and minimum stay in green areas [morning] = moderate	Feeling of isolation = low	18	92
Total sleep [morning, week 2017-03-01] = moderate and number of scans of the least frequent Bluetooth device belonging to others [evening, weekend, week 2017-02-01] [weekend, week 2017-02-22] [afternoon, weekday, week 2017-01-25] = moderate and number of scans of the least frequent Bluetooth device [night, weekday, half semester 2017-03-01] [night, week 2017-01-18] [night, weekday, half semester 2017-01-18] = low and first screen unlock between 10 and 11 am [weekday, week 2017-04-26] = low	Feeling of isolation = low	30	90
Time at frequent locations [afternoon, weekday] = low	Change = low to high	28	92
First screen unlock between 3 and 4 am [night, weekend] = low and average steps in active bouts [morning, weekend] = high	Change = high to low	28	92
Minimum length of sleep [weekend, week 2017-01-18] = moderate and number of scans of the least frequent Bluetooth device [night, weekday, half semester 2017-03-01] [night, weekday, half semester 2017-01-18] = low and first screen on between noon and 1 pm [afternoon, weekend, week 2017-04-26] = low and first screen on between 7 and 8 am [weekday, week 2017-03-15] = low and last screen lock between midnight and 1 am [half semester 2017-03-01] = low and first screen on between 3 and 4 am [night, weekday, week 2017-03-08] = low	Change = high to low	33	93

^aUCLA: University of California, Los Angeles.