Table 2.

Phone use relevant to leaving home and sleep habits.

Characteristics	Participants, n (%)a
Never leave home without phone (N=201)	196 (97.5)
Sometimes leave home without phone (N=201)	4 (2.0)
Often leave home without phone (N=201)	1 (0.5)
Use phone as alarm clock (N=199)	157 (78.9)
Look at phone before bed (N=198)	173 (87.4)
Look at phone when they wake up (N=183)	162 (88.5)

^aResults were summarized as the total count of people who indicated the answer listed in the table over the total count of people who answered the specific question (ie, participants who skipped a question were excluded from the analysis of that particular question; hence, the denominators fluctuate).