Table 1. The frequency of trips/stumbles by prosthesis type and each of the covariates.
Odds ratios (OR) and 95% Confidence Intervals (CI) are shown; bold text indicates statistically significant observations.
| None (n = 134) | 1–5 times (n = 145) | More than 5 times (n = 36) | OR | 95% CI | |
|---|---|---|---|---|---|
| Prosthesis type | |||||
| Below knee prosthesis users | 84 | 78 | 16 | 1.00 | |
| Non-microprocessor knee users | 32 | 53 | 18 | 1.96 | 1.17–3.28 |
| Microprocessor knee users | 18 | 14 | 2 | 0.74 | 0.33–1.64 |
| Covariates | |||||
| Sociodemographic | |||||
| Sex | |||||
| Male | 108 | 118 | 27 | 1.00 | |
| Female | 26 | 27 | 9 | 1.03 | 0.58–1.83 |
| Age | |||||
| 18–39 years | 21 | 23 | 3 | 1.00 | |
| 40–59 years | 48 | 66 | 15 | 0.99 | 0.50–1.96 |
| 60–79 years | 61 | 50 | 18 | 0.80 | 0.40–1.64 |
| >80 years | 4 | 6 | 0 | 0.65 | 0.17–2.48 |
| Experience | |||||
| Years of prosthesis use | |||||
| >10 years | 94 | 90 | 24 | 1.00 | |
| 6–10 years | 16 | 19 | 3 | 1.01 | 0.50–2.05 |
| 1–5 years | 14 | 32 | 8 | 1.62 | 0.85–3.07 |
| <1 year | 10 | 4 | 1 | 0.43 | 0.13–1.40 |
| Health | |||||
| Comorbidity (-ies) | |||||
| No | 106 | 115 | 28 | 1.00 | |
| Yes | 28 | 30 | 8 | 0.89 | 0.50–1.57 |
| Contralateral limb injury | |||||
| No | 107 | 101 | 21 | 1.00 | |
| Yes | 27 | 44 | 15 | 1.91 | 1.15–3.18 |
| Medication | |||||
| No | 125 | 128 | 32 | 1.00 | |
| Yes | 9 | 17 | 4 | 1.16 | 0.55–2.45 |
| Physical function | |||||
| Walking aid(s) | |||||
| No | 79 | 66 | 12 | 1.00 | |
| Yes | 55 | 79 | 24 | 1.99 | 1.13–3.50 |
| Activity level | |||||
| K2 | 58 | 75 | 18 | 1.00 | |
| K3 | 63 | 56 | 14 | 1.28 | 0.72–2.29 |
| K4 | 13 | 14 | 4 | 1.53 | 0.64–3.68 |