Introduction
Methods
Study design, setting, and participants
Data source
Variables
Statistical methods
Results
Description of population-based sample
% (n) | 95% CI (%) | |
---|---|---|
Demographic Characteristics | ||
Sex | ||
Male | 39 (4160) | 38, 40 |
Female | 61 (6462) | 60, 62 |
Age | ||
< 60 | 9 (949) | 8.4, 9.5 |
60–69 | 12 (1246) | 11, 12 |
70–79 | 22 (2301) | 21, 23 |
80–89 | 37 (3920) | 36, 38 |
90–99 | 20 (2114) | 19, 21 |
≥ 100 | 0.5 (56) | 0.4, 0.69 |
Marital Status | ||
Never married | 8.6 (913) | 8.1, 9.2 |
Married | 38 (3972) | 37, 38 |
Widowed | 41 (4363) | 40, 42 |
Separated | 2.9 (302) | 2.5, 3.2 |
Divorced | 8.1 (861) | 7.6, 8.7 |
Other | 1.7 (175) | 1.4, 1.9 |
Functional Characteristics | ||
Cognitive Skills for Daily Decision-Making | ||
Independent | 33 (3465) | 32, 34 |
Modified Independent | 27 (2830) | 26, 28 |
Minimally Impaired | 21 (2228) | 20, 22 |
Moderately Impaired | 12 (1314) | 12, 13 |
Severely Impaired | 7.1 (749) | 6.6, 7.6 |
Activities of Daily Living Decline | 65 (6915) | 64, 66 |
Primary Modes of Locomotion (Indoors) | ||
No Assistive Device | 27 (2888) | 26, 28 |
Cane | 10 (1077) | 9.6, 10.8 |
Walker/Crutch | 45 (4804) | 44, 46 |
Scooter | 0.31 (33) | 0.22, 0.44 |
Wheelchair | 15 (1621) | 15, 16 |
Activity did not occur | 1.5 (163) | 1.3, 1.8 |
Stair Climbing | ||
Up and Down Stairs Without Help | 22 (2364) | 22, 23 |
Up and Down Stairs with Help | 18 (1890) | 17, 19 |
Not go up and down stairs | 60 (6332) | 59, 61 |
Polypharmacy and Health Conditions | ||
Drugs | ||
0–2 | 5.7 (602) | 5.3, 6.1 |
3–4 | 8.3 (876) | 7.8, 8.8 |
5–7 | 22 (2364) | 22, 23 |
≥ 8 | 64 (6744) | 63, 65 |
Stroke | 18 (1914) | 17, 19 |
Congestive Heart Failure | 14 (1458) | 13, 14 |
Hypertension | 66 (6956) | 65, 67 |
Irregular Pulse | 19 (2000) | 18, 20 |
Peripheral Vascular Disease | 9.2 (969) | 8.6, 9.7 |
Chest Pain at Rest or on Exertion | 4.4 (464) | 4.0, 4.8 |
Dizziness or Lightheadedness | 26 (2795) | 26, 27 |
Edema | 35 (3726) | 34, 36 |
Shortness of Breath | 33 (3533) | 32, 34 |
Alzheimer’s | 6.5 (684) | 6, 7 |
Dementia | 22 (2337) | 21, 23 |
Multiple Sclerosis | 1.5 (159) | 1.3, 1.8 |
Parkinsonism | 4.3 (456) | 3.9, 4.7 |
Arthritis | 56 (5900) | 55, 57 |
Hip Fracture | 4.4 (464) | 4.0, 4.8 |
Associations with the rate of falls
IRR | 95% CI | P Value | |
---|---|---|---|
Demographic Characteristics | |||
Male | 1.00 | 1.00 | 1.00 |
Female | 0.83 | 0.78, 0.89 | < 0.001 |
Age | |||
< 60 (Reference) | 1.00 | 1.00 | 1.00 |
60–69 | 0.88 | 0.77, 1.00 | 0.054 |
70–79 | 0.71 | 0.63, 0.81 | < 0.001 |
80–89 | 0.70 | 0.61, 0.79 | < 0.001 |
90–99 | 0.70 | 0.61, 0.80 | < 0.001 |
≥ 100 | 0.57 | 0.37, 0.88 | 0.011 |
Marital Status | |||
Never Married | 0.94 | 0.83, 1.06 | 0.277 |
Married (Reference) | 1.00 | 1.00 | 1.00 |
Widowed | 0.98 | 0.91, 1.05 | 0.520 |
Separated | 1.25 | 1.05, 1.49 | 0.012 |
Divorced | 1.06 | 0.95, 1.19 | 0.283 |
Other | 1.21 | 0.97, 1.51 | 0.096 |
Functional Characteristics | |||
Cognitive Skills for Daily Decision-Making | |||
Independent (Reference) | 1.00 | 1.00 | 1.00 |
Modified Independence | 1.14 | 1.05, 1.23 | 0.001 |
Minimally Impaired | 1.28 | 1.18, 1.40 | < 0.001 |
Moderately Impaired | 1.38 | 1.24, 1.54 | < 0.001 |
Severely Impaired | 1.19 | 1.04, 1.37 | 0.013 |
Activities of Daily Living Decline | 1.59 | 1.49, 1.69 | < 0.001 |
Primary Modes of Locomotion (Indoors) | |||
No Assistive Device (Reference) | 1.00 | 1.00 | 1.00 |
Cane | 1.42 | 1.28, 1.59 | < 0.001 |
Walker/Crutch | 1.50 | 1.37, 1.63 | < 0.001 |
Scooter | 2.26 | 1.42, 3.71 | < 0.001 |
Wheelchair | 1.35 | 1.21, 1.51 | < 0.001 |
Activity Did Not Occur | 1.06 | 0.83, 1.37 | 0.626 |
Stair Climbing | |||
Up and Down Stairs No Help (Reference) | 1.00 | 1.00 | 1.00 |
Up and Down Stairs with Help | 1.22 | 1.10, 1.34 | < 0.001 |
Not Go Up and Down Stairs | 1.22 | 1.11, 1.33 | < 0.001 |
Polypharmacy and Health Conditions | |||
Drugs | |||
0–2 (Reference) | 1.00 | 1.00 | 1.00 |
3–4 | 1.21 | 1.03, 1.43 | 0.022 |
5–7 | 1.11 | 0.96, 1.29 | 0.153 |
≥ 8 | 1.21 | 1.05, 1.39 | 0.007 |
Stroke | 0.91 | 0.84, 0.98 | 0.013 |
Congestive Heart Failure | 0.86 | 0.78, 0.94 | < 0.001 |
Hypertension | 0.99 | 0.93, 1.06 | 0.840 |
Irregular Pulse | 1.00 | 0.92, 1.08 | 0.944 |
Peripheral Vascular Disease | 0.96 | 0.87, 1.07 | 0.489 |
Chest Pain/Pressure at Rest or on Exertion | 1.11 | 0.97, 1.28 | 0.139 |
Dizziness or Lightheadedness | 1.43 | 1.33, 1.52 | < 0.001 |
Edema | 1.01 | 0.94, 1.07 | 0.854 |
Shortness of Breath | 0.92 | 0.86, 0.98 | 0.013 |
Alzheimer’s | 0.80 | 0.70, 0.92 | 0.001 |
Dementia | 1.02 | 0.94, 1.11 | 0.642 |
Multiple Sclerosis | 1.09 | 0.86, 1.38 | 0.485 |
Parkinsonism | 1.46 | 1.28, 1.67 | < 0.001 |
Arthritis | 1.04 | 0.98, 1.11 | 0.189 |
Hip Fracture | 1.13 | 0.98, 1.29 | 0.084 |
Sex differences
IRR | 95% CI | P Value | |
---|---|---|---|
Functional Characteristics | |||
Cognitive Skills for Daily Decision-Making – Minimally Impaired | |||
Males | 1.42 | 1.40, 1.47 | < 0.001 |
Females | 1.17 | 1.16, 1.18 | 0.035 |
Cognitive Skills for Daily Decision-Making – Moderately Impaired | |||
Males | 1.41 | 1.40, 1.47 | < 0.001 |
Females | 1.39 | 1.25, 1.40 | 0.560 |
Activities of Daily Living Decline | |||
Males | 1.54 | 1.52, 1.68 | < 0.001 |
Females | 1.58 | 1.55, 1.67 | 0.945 |
Primary Modes of Locomotion Indoors – Cane | |||
Males | 1.60 | 1.58, 1.67 | < 0.001 |
Females | 1.28 | 1.23, 1.31 | 0.039 |
Primary Modes of Locomotion Indoors – Walker/Crutch | |||
Males | 1.61 | 1.60, 1.67 | < 0.001 |
Females | 1.43 | 1.31, 1.45 | 0.050 |
Primary Modes of Locomotion Indoors – Wheelchair | |||
Males | 1.47 | 1.44, 1.53 | < 0.001 |
Females | 1.30 | 1.29, 1.31 | 0.275 |
Health Conditions | |||
Stroke | |||
Males | 0.82 | 0.78, 0.92 | 0.001 |
Females | 0.97 | 0.92, 1.00 | 0.032 |
Congestive Heart Failure | |||
Males | 0.75 | 0.70, 0.83 | < 0.001 |
Females | 0.94 | 0.89, 1.00 | 0.012 |
Dizziness or Lightheadedness | |||
Males | 1.45 | 1.44, 1.56 | < 0.001 |
Females | 1.38 | 1.32, 1.43 | 0.517 |
Parkinsonism | |||
Males | 1.53 | 1.32, 1.69 | < 0.001 |
Females | 1.28 | 1.10, 1.53 | 0.280 |