Table 2 The characteristics and weight loss outcomes for higher attenders (n = 478,772) and lower attenders (n = 877,333). Higher attenders are defined as those who attended ≥75 % of the 14 sessions of the observation period. Lower attenders are those who attended ≤75 % of sessions
Higher attenders | n = 478,772 | Lower attenders | n = 877,333 | |||
|---|---|---|---|---|---|---|
Average | SD | Average | SD | t-value | p-value | |
Height (m) | 1.65 | 0.08 | 1.65 | 0.07 | 1.04 | 0.300 |
Weight (kg) | 89.9 | 19.0 | 87.6 | 18.6 | 62.89 | <0.001 |
Age (years) | 44.6 | 13.8 | 41.1 | 13.3 | 139.44 | <0.001 |
Weight change (kg) | –6.8 | 3.6 | –2.3 | 2.4 | –817.55 | <0.001 |
Weight change (%) | –7.5 | 3.5 | –2.7 | 2.6 | –870.14 | <0.001 |
Attendance (wks) | 12.5 | 1.1 | 5.1 | 2.9 | 1646.67 | <0.001 |
Start BMI (kg/m2) | 33.2 | 6.3 | 32.3 | 6.2 | 66.47 | <0.001 |
End BMI (kg/m2) | 30.7 | 6.0 | 31.4 | 6.2 | –73.71 | <0.001 |
BMI change (kg/m2) | –2.5 | 1.3 | –0.9 | 0.9 | –839.85 | <0.001 |