Mean (SD) for key baseline variables by retention/attrition at each follow-up stage
Variable | Numbers 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) |
---|---|---|---|---|---|---|---|
FINDRISC | 204 | 14.1 (3.2) | 13.2 (2.3) | 14.1 (3.2) | 13.4 (2.4) | 14.1 (3.5) | 13.7 (2.4) |
Age (years) | 213 | 53.9 (6.1) | 52.0 (5.7) | 54.1 (6.0) | 51.9 (6.5) | 54.3 (6.1) | 52.2 (5.9) |
IMD score* | 207 | 38.0 (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) | 199 | 33.7 (6.0) | 32.1 (4.4) | 33.7 (6.2) | 33.3 (5.3) | 33.6 (6.2) | 33.3 (5.2) |
Weight (kg) | 202 | 92.5 (19.9) | 88.7 (18.5) | 92.5 (20.2) | 90.0 (17.6) | 92.0 (20.3) | 92.4 (18.9) |
Waist (cm) | 189 | 108.3 (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) | 193 | 49.1 (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) | 179 | 1.1 (.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.