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. 2016 Apr 28;5(2):e77. doi: 10.2196/resprot.5450

Table 2.

PRIME usage data for the overall sample as well as both the Stage 1 and Stage 2 groups.


Stage 1 Stage 2

Mean (SD) Mean (SD) p, d [95% CI]
Login frequency (average logins per week) 3.51 (1.8) 4.69 (1.4) .13, .73 [-.20. to 1.60]
Challenge completion rate (%) 84.48 (18.4) 85.35 (15.3) .91, .05 [-.83 to .93]
Average number of user-initiated peer interactions

Comments 7.70 (6.4) 9.50 (10.1) .68, .21 [-.67 to 1.08]

Likes 11.80 (11.9) 24.00 (20.6) .12, .73 [-.21 to 1.60]

Messages 9.70 (8.8) 15.10 (22.5) .49, .32 [-.58 to 1.18]

Total 29.20 (21.1) 48.60 (44.3) .23, .56 [-.36 to 1.43]
Average number of user-initiated coach interactions

Comments 7.80 (7.0) 12.90 (14.5) .33, .45 [-.46 to 1.32]

Likes 4.40 (4.9) 10.00 (12.3) .20, .60 [-.06 to 1.47]

Messages 17.70 (22.9) 95.50 (105.8) .04 a, 1.02 [.05 to 1.90]

Total 29.90 (31.6) 118.40 (105.9) .02, 1.13 [.15 to 2.02]
Challenges completed

Overall 18.40 (14.5) 20.40 (18.2) .79, .12 [-.76 to .99]

Health/wellness 6.80 (5.7) 7.80 (9.1) .77, .10 [-1.47 to .49]

Social 3.20 (1.8) 4.40 (3.9) .39, .40 [-.51 to 1.26]

Creativity 4.50 (4.7) 4.40 (3.7) .96, -.02 [-.85 to .90]

Productivity 3.90 (5.7) 3.80 (3.6) .95, -.02 [-.86 to .90]
Active engagement rate (average times active per week) 3.87 (2.7) 11.17 (9.4) .03, 1.06 [.08 to 1.94]

aBold Values indicate statistically significant results.