Table 2 Comparison of socioeconomic status, foot care and behavioural characteristics of the two groups
|  | All (N = 422) | Middle-aged (N=175) | Elderly (N = 247) | p |
|---|---|---|---|---|
Social-economic status | ||||
 Medical insurance (yes/ no) | 310/112 | 128/47 | 182/65 | 0.901 |
 Income level (high/moderate/low) | 178/176/68 | 69/78/28 | 109/98/40 | 0.569 |
 Live alone (yes/no) | 32/390 | 14/161 | 18/229 | 0.901 |
 Housing conditions (good/moderate/bad) | 148/255/19 | 61/104/10 | 87/151/9 | 0.598 |
   Educationallevel (primary school /secondaryschool/university) | 198/168/56 | 51/85/39 | 147/83/17 | <0.001 |
Foot care and behavioural characteristics | ||||
 Walking barefoot (yes/no) | 51/371 | 26/149 | 25/222 | 0.139 |
 Performanceoffoot inspection (usually/sometimes/seldom) | 121/247/54 | 55/92/28 | 66/155/26 | 0.082 |
   Knowledge of foot lesion danger signals (yes/ no) | 168/254 | 77/98 | 91/156 | 0.331 |
   Foot education received (yes/ no) | 375/47 | 152/23 | 223/24 | 0.141 |
  Diabetic clinic visits(>  2/1–2/<  1 per year) | 113/267/42 | 42/114/19 | 71/153/23 | 0.592 |