Code #	Code name	Example behaviors
Screen time
1	Social media	Facebook, Instagram, Pinterest, TikTok
2	Computer‐mediated interaction	Texting, IM, FaceTime
3	Passive screen time	TV, Netflix, Hulu, YouTube, browsing Internet
4	Video games	Computer games, games on phone
5	Phone conversation	Talking on phone
6	Screen time unspecified	Electronics, phone, scrolling
Leisure
7	Reading	Books, comics
8	Listening to…	Listening to music, podcasts
9	Hobbies	Playing music, drawing/art, knitting, puzzles
Relaxation/Spiritual/Meditation
10	Meditating/positive thinking	Clear my head
11	Yoga	Yoga
12	Spiritual	Praying
13	Relaxation	Relax, closing eyes, closing lights
14	Self‐care	Self‐care, journaling
15	Animals	Playing with dog/cat, spending time with pets (not walking outside—see “outdoors”)
Productive
16	Homework	Homework, write, study, read for school
17	Class	Going to class, class
Physical activity
18	Exercise	Exercise, sports, workout, dancing
19	Outdoors	Walking, running, walking dog, yard work
Nothing or Thinking
20	Nothing	Lay in bed, sit in bed, humming
21	Planning	Thinking about things to do, thinking future
22	Daydreaming	Think generic/unspecified/neutral/reflect
23	Negative	Crying, worrying, ruminating, bored, procrastinating
24	Sleep	Sleeping, napping
Routine
25	Routine	Eating, cooking, showering, chores, errands, driving, masturbating
26	Work	Work
27	Philanthropy	Volunteering
Substance use
28	Substance use	Drinking alcohol, doing drugs
Uncodable
29	Uncodable	Not alone, watch Netflix and reading (conflicting themes)