| Unadjusted OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value |
---|---|---|---|---|
Any change in anti-hypertensive medicationa | ||||
 No | 1.00 |  | 1.00 |  |
 Yes | 5.66 (2.12–15.15) | < 0.01 | 3.88 (1.23–12.19) | 0.02 |
Charlson comorbidity index | 1.28 (1.08–1.51) | < 0.01 | 1.28 (1.04–1.58) | 0.02 |
High risk of fallb | 6.32 (2.16–18.46) | < 0.01 | 5.73 (1.60–20.51) | 0.01 |
Visual impairment | 2.10 (0.74–6.01) | 0.17 |  |  |
Exposure to psychotropic medication | 2.07 (0.78–5.49) | 0.14 |  |  |
Polypharmacy | 1.83 (0.80–4.19) | 0.15 |  |  |
Age (years) | 0.90 (0.78–1.04) | 0.16 |  |  |
BMI (kg/m2) | 1.05 (0.97–1.14) | 0.21 |  |  |
Chinesed | 2.10 (0.43–10.42) | 0.36 |  |  |
SBP on admission (mmHg) | 1.00 (0.99–1.03) | 0.99 |  |  |
DBP on admission (mmHg) | 1.00 (0.96–1.04) | 0.36 |  |  |
Hearing impairment | 0.55 (0.65–4.75) | 0.59 |  |  |
Use of walking aidc | 18.07 (4.15–78.65) | < 0.01 |  |  |
Smoking history | 1.31 (0.45–3.76) | 0.62 |  |  |
Alcohol history | 0.85 (0.17–4.31) | 0.85 |  |  |
Medical history | ||||
 Hypertension | 0.28 (0.07–1.21) | 0.09 | 0.30 (0.05–1.75) | 0.18 |
 Cerebrovascular accident or transient ischaemic attack | 1.50 (0.63–3.59) | 0.36 |  |  |
 Ischaemic heart disease | 0.89 (0.39–2.07) | 0.79 |  |  |
 Diabetes mellitus | 0.99 (0.46–2.17) | 0.99 |  |  |
 Hyperlipidaemia | 0.77 (0.27–2.19) | 0.62 |  |  |
 Osteoporosis | 1.52 (0.44–5.20) | 0.50 |  |  |
 Cancer | 1.76 (0.61–5.09) | 0.30 |  |  |
 Cognitive impairment | 1.00 (0.29–3.45) | 1.00 |  |  |
Prior history of falls | 1.84 (0.79–4.30) | 0.16 |  |  |
Statin use | 0.50 (0.21–1.18) | 0.12 |  |  |