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. 2020 Jun 4;5(2):e18363. doi: 10.2196/18363

Table 2.

Descriptive statistics of engagement variables from baseline to weeks 16 and 52.

Engagement measures HWa,b curriculum (n=2806), median, (IQR) DPPb,c curriculum (n=665), median (IQR)
Meals logged


Week 16 88.0 (3.0-57.0) 195.0 (6.0-184.8)

Week 52 91.0 (3.0-58.0) 218.0 (6.0-202.3)
Articles completed


Week 16 4.0 (0.3-2.4) 7.2 (0.4-6.0)

Week 52 4.1 (0.3-2.4) 8.2 (0.4-6.7)
Coach messages


Week 16 26.0 (2.0-16.0) 29.0 (3.0-28.0)

Week 52 26.5 (2.0-16.0) 35.0 (3.0-34.0)
Steps tracked


Week 16 228,923.0 (13,284.0-182,434.0) 331,572.0 (25,837.0-329,239.0)

Week 52 267,270.5 (14,082.0-205,220.3) 629,241.0 (28,654.5-563,706.0)
Weigh ins


Week 16 10.0 (1.0-11.0) 20.0 (4.0-27.0)

Week 52 10.0 (1.0-11.0) 31.0 (4.0-47.0)
Exercises logged


Week 16 13.0 (2.0-22.0) 25.0 (3.0-46.0)

Week 52 13.0 (2.0-24.0) 33.0 (4.0-62.0)
Minutes of exercise logged


Week 16 227.5 (30.0-471.9) 735.0 (60.0-1332.5)

Week 52 240.0 (30.0-490.0) 886.0 (60.0-1775.0)
Group comments


Week 16 9.0 (2.0-16.0) 11.0 (2.0-22.0)

Week 52 9.0 (2.0-16.0) 13.0 (2.0-25.0)
Group posts


Week 16 5.0 (1.0-4.0) 9.0 (1.0-9.0)

Week 52 5.0 (1.0-4.0) 9.0 (1.0-10.0)

aHW: Healthy Weight program.

bFor participants who had engagement data available.

cDPP: Diabetes Prevention Program.