Wave 1 | Wave 2 | Wave 3 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n/mean | sd | t-stat | P-value | n/mean | sd | t-stat | P-value | n/mean | sd | t-stat | P-value | |
Total individuals signed-up | 129,677 | n/a | n/a | n/a | 364,500 | n/a | n/a | n/a | 690,233 | n/a | n/a | n/a |
Total new participants | 129,677 | n/a | n/a | n/a | 169,695 | n/a | n/a | n/a | 487,369 | n/a | n/a | n/a |
All participantsa | 36,000 | 150,000 | 266,000 | |||||||||
Daily baseline steps (all participants) | 4512 | (4135) | 143.5 | p< 0.001 | 6221 | (5400) | 171.4 | p< 0.001 | 7432 | (5012) | 161.0 | p< 0.001 |
Daily steps completers (all participants) | 8675 | (5505) | 8463 | (5066) | 9077 | (5066) | ||||||
Step increase completers (Δ) (all participants) | 4163 | (1360) | 2242 | (334) | 1645 | (54) | ||||||
New participants | 36,000 | 115,000 | 114,000 | |||||||||
Daily baseline steps (new participants) | 4512 | (4135) | 143.5 | p< 0.001 | 6207 | (5400) | 150.7 | p< 0.001 | 7132 | (3706) | 120.4 | p< 0.001 |
Daily steps completers (new participants) | 8675 | (5505) | 8429 | (5066) | 8915 | (5066) | ||||||
Step increase completers (Δ) (new participants) | 4163 | (1360) | 2222 | (334) | 1783 | (1360) | ||||||
Loyalb participants | 38,000 | 38,000 | ||||||||||
Daily baseline steps (loyal participants) | 4545 | (3769) | 205.9 | p< 0.001 | 8115 | (3839) | 73.6 | p< 0.001 | 8424 | (3695) | 61.9 | p< 0.001 |
Daily steps completers (loyal participants) | 9972 | (4220) | 10,003 | (2767) | 10,011 | (3216) | ||||||
Step increase completers (Δ) (loyal participants) | 5427 | (451) | 1888 | (1072) | 1587 | (479) |