Table 2.
Baseline characteristics of the groups included in the analysisa.
| Characteristic | Platform only group (n=420) | Platform + coach group (n=408) | |||
| Weight (kg), mean (95% CI) | 83.4 (81.7, 85.0) | 82.3 (80.8, 83.7) | |||
| Age (years), mean (95% CI) | 34.4 (33.4, 35.6) | 33.0 (31.9, 34.0) | |||
| BMI (kg/m2), mean (95% CI) | 30.12 (29.67, 30.58) | 29.85 (29.44, 30.26) | |||
| Female, n (%) | 315 (75.0) | 319 (78.2) | |||
| Stages of change for physical activityb, n (%) | |||||
|
|
Precontemplation | 12 (2.9) | 15 (3.7) | ||
|
|
Contemplation | 163 (38.8) | 126 (30.9) | ||
|
|
Preparation | 96 (22.9) | 94 (23.0) | ||
|
|
Action | 79 (18.8) | 91 (22.3) | ||
|
|
Maintenance | 45 (10.7) | 43 (10.5) | ||
|
|
Did not respond | 25 (6.0) | 39 (9.6) | ||
aControl group participants were excluded from this analysis since they had limited interaction with the platform.
bPrecontemplation: not intending to engage in physical activity within 6 months; contemplation: intending to engage in physical activity within 6 months; preparation: intending to engage in physical activity within 30 days; action: physically active for less than 6 months; maintenance: physically active for more than 6 months.