Table 3

Mean (SD) for key baseline variables by retention/attrition at each follow-up stage

VariableNumbers available for variable at baseline (from n=218 recruited)Completed at 10 weeks (n=179)Withdrew at 10 weeks (n=39)Completed at 6 months (n=168)Withdrew at 6 months (n=50)Completed at 12 months (n=134)Withdrew at 12 months (n=84)
FINDRISC20414.1 (3.2)13.2 (2.3)14.1 (3.2)13.4 (2.4)14.1 (3.5)13.7 (2.4)
Age (years)21353.9 (6.1)52.0 (5.7)54.1 (6.0)51.9 (6.5)54.3 (6.1)52.2 (5.9)
IMD score*20738.0 (21.3)49.7 (20.5)38.0 (21.3)47.0 (22.0)36.8 (21.3)45.7 (21.0)
BMI (kg/m2)19933.7 (6.0)32.1 (4.4)33.7 (6.2)33.3 (5.3)33.6 (6.2)33.3 (5.2)
Weight (kg)20292.5 (19.9)88.7 (18.5)92.5 (20.2)90.0 (17.6)92.0 (20.3)92.4 (18.9)
Waist (cm)189108.3 (13.5)106.4 (14.4)108.2 (13.6)108.0 (13.6)108.1 (13.8)108.3 (12.9)
PA: Total (MET h/day)19349.1 (6.1)49.2 (4.8)48.9 (5.9)50.2 (6.2)49.2 (6.1)48.9 (5.6)
PA: Leisure (h/week)1791.1 (.08)1.3 (0.7)1.1 (0.8)1.4 (0.9)1.1 (0.8)1.3 (0.9)
  • *Significant difference between mean IMD scores of those who completed/withdrew at 10 weeks p=0.003, 6 months p=0.011 and 12 months p=0.005. No significant difference between groups for any other variables.

  • BMI, body mass index; FINDRISC, Finnish Diabetes Risk Score; IMD, Index of Multiple Deprivation; MET, metabolic-equivalent; PA, physical activity.