Baseline characteristics of participants assigned to the comparison and control groups, and group difference determined by a one-way analysis of variance (95% CI)
| Characteristic | Comparison group, mean (SD) (n=27) | Control group, mean (SD) (n=28) | F or χ2 | (P) df=1,53 |
| Age (years) | 83.15 (7.38) | 82.07 (6.94) | F =0.31 | 0.58 |
| Gender | 18 F, 9 M | 18 F, 10 M | χ2 =0.3 | 0.86 |
| Education (school leaving age) | 15.26 (1.83) | 15.29 (1.63) | F =0.003 | 0.96 |
| Type of residence | H 22, R 5 | H 22, R 6 | χ2 =0.33 | 0.57 |
| Self-reported arthritis | 3.37 (0.97) | 3.32 (1.06) | F =0.03 | 0.86 |
df, degrees of freedom; F, female; H, own home; M, male; R, other residence.