Table 1.
Characteristics of the study population, and person-days with and without injurious falls
| Characteristics | All person-days (n = 85 074) n (% of total) | Person-days with injurious fall (n = 220) n (% of total) | Person-days without injurious fall (n = 84 854) n (% of total) | P |
|---|---|---|---|---|
| Demographic data | ||||
| Gender | ||||
| Male | 34 282 (40.3) | 92 (41.8%) | 34 190 (40.3%) | |
| Female | 50 792 (59.7) | 128 (58.2%) | 50 664 (59.7%) | |
| Mean age (years) (SD) | 82.8 (6.5) | 81.0 (8.0) | ||
| Falls history | 45 982 (54.0) | 168 (19.1%) | 45 814 (20.5%) | 0.62 |
| Visual impairment | 18 139 (21.3) | 38 (17.3%) | 18 101 (21.3%) | 0.14 |
| Urinary incontinence | 44 310 (52.1) | 124 (56.4%) | 44 310 (52.0%) | 0.20 |
| Parkinson's disease | 1 151 (1.4) | 3 (1.4%) | 1 151 (1.4%) | 0.99 |
| Arthritis and other joint diseases | 23 074 (27.1) | 75 (34.1%) | 22 999 (27.1%) | 0.02 |
| Depression | 7 161 (8.4) | 26 (11.8%) | 7 135 (8.4%) | 0.07 |
| Cardiovascular diseases | 61 123 (71.8) | 165 (75.0%) | 60 958 (71.8%) | 0.29 |
| Drug use | ||||
| Antipsychotics (ATC-code N05A) | 38 662 (45.4) | 126 (57.3%) | 38 536 (45.4%) | 0.00 |
| Anxiolytics (ATC-code N05B) | 17 781 (20.9) | 58 (26.4%) | 17 723 (20.9%) | 0.05 |
| Hypnotics or sedatives (ATC-code N05C) | 11 538 (13.6) | 44 (20.0%) | 11 494 (13.5%) | 0.01 |
| Antidepressants (ATC-code N06A) | 13 729 (16.1) | 62 (28.2%) | 13 667 (16.1%) | 0.00 |
| Tricyclic antidepressants (ATC-code N06AA) | 1 141 (1.3) | 2 (0.9%) | 1 139 (1.3%) | 0.58 |
| Selective serotonin re-uptake inhibitors (ATC-code N06AB) | 11 105 (13.1) | 55 (25.0%) | 11 050 (13.0%) | 0.00 |
| Other antidepressants (ATC-code N06AX) | 1 739 (2.0) | 5 (2.3%) | 1 734 (2.0%) | 0.81 |
| Antihypertensives (ATC-codes C02, C03, C07, C08, C09) | 12 081 (14.2) | 41 (18.6%) | 12 040 (14.2%) | 0.06 |
| Anti-arrhythmics (ATC code C01B) | 8 069 (9.5) | 24 (10.9%) | 8 045 (9.5%) | 0.47 |
| Nitrates and other vasodilators (ATC code C01D) | 2 830 (3.3) | 7 (3.2%) | 2 823 (3.3%) | 0.91 |
| Digoxin (ATC code C01AA05) | 2 865 (3.4) | 7 (3.2%) | 2 858 (3.4%) | 0.88 |
| β-adrenoceptor blocker eye drops (ATC code S01ED) | 798 (0.9) | 3 (1.4%) | 795 (0.9%) | 0.51 |
| Analgesics (ATC code N02) | 1 684 (2.0) | 5 (2.3%) | 1 679 (2.0%) | 0.76 |
| Anticholinergic drugs (ATC codes R03BB01, G04BD07) | 138 (0.2) | 0 (0.0%) | 138 (0.2%) | 0.55 |
| Antihistamines (ATC code R06) | 2 538 (3.0) | 4 (1.8%) | 2 534 (3.0%) | 0.31 |
| Antivertigo drugs (ATC code N07C) | 202 (0.2) | 0 (0.0%) | 202 (0.2%) | 0.47 |
| Drugs used in diabetes (ATC code A10) | 5 172 (6.1) | 13 (5.9%) | 5 159 (6.1%) | 0.92 |