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. 2022 Jan 19;24(1):e28638. doi: 10.2196/28638

Table 3.

Use of program components.

Engagement variables Values, mean (SD) Values, median (Q1a, Q3b) Range
Total number of interactions 23.6 (15.9) 26.5 (8, 38) 0-50
SMS text messages

Quizzes 6.2 (4.0) 7 (2, 7) 0-11

Stress-trainings 1.3 (0.9) 2 (0, 2) 0-2

Self-challenges 3.4 (2.4) 4 (1, 6) 0-6

Skill-trainings 1.1 (0.9) 1 (0, 2) 0-2

Total use of text messages 12.0 (7.7) 14 (4, 19) 0-21
Media objects

Videos 5.1 (4.0) 5 (1, 9) 0-12

Pictures 1.9 (1.5) 2 (1, 3) 0-4

Website links 1.7 (1.7) 1 (0, 3) 0-6

Total use of media objects 8.8 (6.9) 9 (2, 15) 0-20
Picture and SMS text message contests

Views 1.8 (1.3) 2 (0, 3) 0-3

Posts 0.3 (0.4) 0 (0, 1) 0-1

Votes 0.7 (0.9) 0 (0, 1) 0-3

Total use of contests 2.9 (2.5) 3 (0, 5) 0-9

aQ1: quartile 1.

bQ3: quartile 3.