Activity Intensity and All-Cause Mortality Following Fall Injury Among Older Adults: Results from a 12-Year National Survey
Abstract
1. Introduction
2. Methods
2.1. Study Population
2.2. Inclusion and Exclusion Criteria
2.3. Outcome Variable
2.4. Predictor Variable
2.5. Potential Confounders
2.6. Handling of Missing Data
2.7. Data Analysis
2.8. Ethical Concerns
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
MET | Metabolic Equivalent of Task |
IPUMS | Integrated Public Use Microdata Series |
NHIS | National Health Interview Survey |
IRR | Incidence Rate Ratio |
HR | Hazard Ratio |
CI | Confidence Interval |
US | United States |
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Variable | All Population Unweighted Count (Weighted %) N = 2454 | None-to-Low Activity Unweighted Count (Weighted %) n = 1990 (80.8) | Normal-to-High Activity Unweighted Count (Weighted %) n = 464 (19.2) | p-Value |
---|---|---|---|---|
Mean Age (95% CI) | 76.6 (76.3, 76.9) | 77.0 (77.6, 77.4) | 74.9 (74.2, 75.7) | |
Age Category | ||||
65–74 years | 1026 (41.1) | 772 (38.7) | 254 (51.5) | <0.001 |
75–84 years | 851 (34.7) | 710 (35.2) | 141 (32.3) | |
85 years and older | 577 (24.2) | 508 (26.1) | 69 (16.2) | |
Sex | ||||
Male | 784 (31.6) | 609 (30.2) | 175 (37.2) | 0.012 |
Female | 1670 (68.4) | 1381 (69.8) | 289 (62.8) | |
Race/Ethnicity | ||||
Non-Hispanic White | 1962 (85.2) | 1581 (85.2) | 381 (85.3) | 0.929 |
Non-Hispanic Black | 200 (6.4) | 169 (6.5) | 31 (5.9) | |
Hispanic | 173 (5.0) | 145 (5.0) | 28 (5.2) | |
Other Races | 119 (3.3) | 95 (3.2) | 24 (3.7) | |
Born in the US | ||||
Yes | 2196 (90.8) | 1781 (90.8) | 415 (90.8) | 0.998 |
No | 258 (9.2) | 209 (9.2) | 49 (9.2) | |
Educational Attainment | ||||
High school or less | 1302 (52.1) | 1126 (55.8) | 176 (36.4) | <0.001 |
Some college or AA | 640 (26.0) | 491 (24.4) | 149 (32.6) | |
Bachelor’s degree | 296 (12.8) | 219 (11.9) | 77 (16.6) | |
Postgraduate | 216 (9.1) | 154 (7.9) | 62 (14.4) | |
Marital Status | ||||
Single | 104 (4.5) | 83 (4.1) | 21 (6.0) | 0.034 |
Married | 994 (41.0) | 807 (41.2) | 187 (40.1) | |
Divorced | 359 (13.8) | 273 (12.9) | 86 (17.8) | |
Widowed | 997 (40.7) | 827 (41.8) | 170 (36.0) | |
Poverty Level | ||||
Poor | 2186 (90.9) | 1760 (90.8) | 426 (91.4) | 0.676 |
Not Poor | 268 (9.1) | 230 (9.2) | 38 (8.6) | |
Smoking Status | ||||
Never Smoked | 1613 (65.8) | 1389 (69.9) | 224 (48.4) | <0.001 |
Current Smoker | 155 (6.2) | 123 (6.0) | 32 (6.9) | |
Former Smoker | 686 (28.0) | 478 (24.1) | 208 (44.7) | |
No Available Care | ||||
Yes | 27 (1.1) | 21 (1.0) | 6 (1.3) | 0.675 |
No | 2427 (98.9) | 1969 (99.0) | 458 (98.7) | |
No Accessible Care | ||||
Yes | 124 (5.1) | 85 (4.4) | 39 (7.8) | 0.011 |
No | 2330 (94.9) | 1905 (95.6) | 425 (92.2) | |
No Affordable Care | ||||
Yes | 98 (3.9) | 82 (4.1) | 16 (3.0) | 0.352 |
No | 2356 (96.1) | 1908 (95.6) | 448 (97.0) | |
Health Coverage | ||||
Yes | 6 (0.2) | 5 (0.2) | 1 (0.4) | 0.393 |
No | 2448 (99.8) | 1985 (99.8) | 463 (99.6) | |
Activity Limitations | ||||
Yes | 1625 (65.2) | 1420 (70.3) | 205 (43.6) | <0.001 |
No | 829 (34.8) | 570 (29.7) | 259 (56.4) | |
Index of chronic disease | ||||
None | 820 (33.9) | 781 (40.0) | 39 (7.7) | <0.001 |
1–2 | 762 (31.1) | 522 (25.6) | 240 (54.4) | |
3–4 | 663 (26.6) | 512 (25.9) | 151 (29.8) | |
5 or more | 209 (8.4) | 175 (8.5) | 34 (8.1) | |
Repeat Fall Injury | ||||
Yes | 136 (5.6) | 122 (6.2) | 14 (3.0) | 0.020 |
No | 2318 (94.4) | 1868 (93.8) | 450 (97.0) | |
Self-rated health | ||||
Poor | 391 (15.7) | 375 (18.3) | 16 (4.6) | <0.001 |
Fair | 604 (24.3) | 534 (26.6) | 70 (14.8) | |
Good to Excellent | 1459 (60.0) | 1081 (55.1) | 378 (80.6) | |
Mortality Status | ||||
Dead | 1059 (45.3) | 941 (50.0) | 118 (25.4) | <0.001 |
Alive | 1395 (54.7) | 1049 (50.0) | 346 (74.6) |
Variable | Dead Unweighted Count (Weighted %) | Alive Unweighted Count (Weighted %) | p-Value * |
---|---|---|---|
Mean Age (95% CI) | 79.5 (79.0, 79.9) | 74.2 (73.8, 74.6) | |
Age Category | |||
65–74 years | 259 (23.4) | 767 (55.9) | <0.001 |
75–84 years | 401 (37.5) | 450 (32.3) | |
85 years and older | 399 (39.1) | 178 (11.8) | |
Sex | |||
Male | 411 (36.7) | 373 (27.7) | <0.001 |
Female | 648 (63.3) | 1022 (72.7) | |
Race/Ethnicity | |||
Non-Hispanic White | 871 (87.6) | 1091 (83.3) | 0.023 |
Non-Hispanic Black | 80 (0.1) | 120 (0.1) | |
Hispanic | 68 (0.0) | 105 (0.1) | |
Other Races | 40 (0.0) | 79 (0.0) | |
Born in the US | |||
Yes | 976 (93.3) | 1220 (88.8) | <0.001 |
No | 83 (6.7) | 175 (11.2) | |
Educational Attainment | |||
High school or less | 622 (58.7) | 680 (46.7) | 0.011 |
Some college or AA | 239 (22.5) | 401 (28.8) | |
Bachelor’s degree | 120 (11.9) | 176 (13.5) | |
Postgraduate | 78 (6.9) | 138 (11.0) | |
Marital Status | |||
Single | 38 (4.1) | 66 (4.8) | <0.001 |
Married | 403 (37.6) | 591 (43.8) | |
Divorced | 113 (9.7) | 246 (17.3) | |
Widowed | 505 (48.6) | 492 (34.1) | |
Poverty Level | |||
Poor | 107 (8.3) | 161 (9.8) | 0.179 |
Not Poor | 952 (91.7) | 1234 (90.2) | |
Smoking Status | |||
Never Smoked | 687 (66.1) | 926 (65.5) | 0.002 |
Current Smoker | 79 (6.8) | 76 (5.7) | |
Former Smoker | 293 (27.1) | 393 (28.8) | |
No Available Care | |||
Yes | 13 (1.2) | 14 (1.0) | 0.477 |
No | 1046 (98.8) | 1381 (99.0) | |
No Accessible Care | |||
Yes | 51 (4.9) | 73 (5.3) | 0.581 |
No | 1008 (95.1) | 1322 (94.7) | |
No Affordable Care | |||
Yes | 39 (3.6) | 59 (4.2) | 0.333 |
No | 1020 (96.4) | 1336 (95.8) | |
No Health Coverage | |||
Yes | 1 (0.1) | 5 (0.3) | 0.127 |
No | 1058 (99.9) | 1390 (99.7) | |
Activity Limitations | |||
Yes | 868 (81.4) | 757 (51.8) | <0.001 |
No | 191 (18.6) | 638 (48.2) | |
Index of chronic disease | |||
None | 376 (35.8) | 444 (32.2) | <0.001 |
1–2 | 277 (27.1) | 485 (34.5) | |
3–4 | 292 (27.0) | 371 (26.3) | |
5 or more | 114 (10.1) | 95 (7.0) | |
Repeat Fall Injury | |||
Yes | 71 (7.0) | 65 (4.4) | 0.004 |
No | 988 (93.0) | 1330 (95.6) | |
Self-rated health | |||
Poor | 258 (24.4) | 133 (8.5) | <0.001 |
Fair | 304 (28.1) | 300 (21.1) | |
Good to Excellent | 497 (47.5) | 962 (70.4) | |
Activity intensity | |||
None-to-Low | 941 (89.3) | 1049 (73.9) | <0.001 |
Normal-to-High | 118 (10.7) | 346 (26.1) |
Variable | Unadjusted Hazard Risk Ratio (95% CI) | Adjusted Hazard Risk Ratio (95% CI) |
---|---|---|
Activity Intensity | ||
None-to-Low | 1.99 (1.62–2.44) | 1.50 (1.20–1.87) |
Normal-to-High | Ref | Ref |
Age Category | ||
65–74 years | Ref | Ref |
75–84 years | 2.30 (1.94–2.74) | 2.16 (1.81–2.58) |
85 years and older | 4.53 (3.77–5.44) | 4.06 (3.33–4.95) |
Sex | ||
Male | Ref | Ref |
Female | 0.74 (0.64–0.86) | 0.64 (0.54–0.75) |
Race/Ethnicity | ||
Non-Hispanic White | Ref | Ref |
Non-Hispanic Black | 0.93 (0.72–1.19) | 0.82 (0.66–1.09) |
Hispanic | 0.73 (0.55–0.97) | 0.84 (0.70–1.16) |
Other Races | 0.65 (0.43–0.97) | 0.61 (0.40–0.94) |
Born in the US | ||
Yes | 1.76 (1.31–2.37) | 1.76 (1.29–2.41) |
No | Ref | Ref |
Educational Attainment | ||
High school or less | Ref | Ref |
Some college or AA | 1.20 (0.86–1.67) | 1.35 (1.00–1.83) |
Bachelor’s degree | 1.10 (0.81–1.48) | 1.08 (0.81–1.44) |
Postgraduate | 1.40 (1.08–1.83) | 1.16 (0.90–1.51) |
Marital Status | ||
Single | Ref | Ref |
Married | 0.84 (0.56–1.25) | 0.86 (0.57–1.31) |
Divorced | 0.71 (0.46–1.09) | 0.75 (0.48–1.18) |
Widowed | 1.34 (0.84–1.86) | 0.88 (0.58–1.34) |
Poverty Level | ||
Poor | 0.91 (0.73–1.12) | 0.82 (0.64–1.05) |
Not Poor | Ref | Ref |
Smoking Status | ||
Never Smoked | Ref | Ref |
Current Smoker | 1.34 (1.04–1.72) | 1.50 (1.13–1.99) |
Former Smoker | 1.05 (0.90–1.23) | 1.10 (0.92–1.32) |
No Available Care | ||
Yes | 1.09 (0.68–1.76) | 0.71 (0.33–1.54) |
No | Ref | Ref |
No Accessible Care | ||
Yes | 1.07 (0.78–1.46) | 1.08 (0.78–1.50) |
No | Ref | Ref |
No Affordable Care | ||
Yes | 0.84 (0.61–1.17) | 0.82 (0.56–1.20) |
No | Ref | Ref |
No Health Coverage | ||
Yes | 0.17 (0.02–1.34) | 0.32 (0.04–2.79) |
No | Ref | Ref |
Activity Limitations | ||
Yes | 3.03 (2.56–3.59) | 2.00 (1.66–2.41) |
No | Ref | Ref |
Index of chronic disease | ||
None | Ref | Ref |
1–2 | 0.97 (0.82–1.14) | 1.06 (0.88–1.29) |
3–4 | 1.22 (1.03–1.45) | 1.05 (0.85–1.29) |
5 or more | 1.67 (1.34–2.09) | 1.47 (1.13–1.91) |
Repeat Fall Injury | ||
Yes | 1.59 (1.25–2.03) | 0.95 (0.71–1.27) |
No | Ref | Ref |
Self-rated health | ||
Poor | 2.67 (2.24–3.19) | 2.07 (1.68–2.54) |
Fair | 1.74 (1.49–2.03) | 1.41 (1.19–1.68) |
Good to Excellent | Ref | Ref |
Variable | Unweighted Count (Weighted %) | Unadjusted Hazard Risk Ratio (95% CI) | Adjusted Hazard Risk Ratio (95% CI) |
---|---|---|---|
Activity Intensity | |||
None | 1732 (70.3) | 2.01 (1.63–2.47) | 1.46 (1.15–1.83) |
Low | 258 (10.6) | 1.85 (1.41–2.41) | 1.69 (1.29–2.22) |
Normal-to-High | 464 (19.1) | Ref | Ref |
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Adeyemi, O.; Chippendale, T.; Ogedegbe, O.; Boatright, D.; Chodosh, J. Activity Intensity and All-Cause Mortality Following Fall Injury Among Older Adults: Results from a 12-Year National Survey. Healthcare 2025, 13, 2530. https://doi.org/10.3390/healthcare13192530
Adeyemi O, Chippendale T, Ogedegbe O, Boatright D, Chodosh J. Activity Intensity and All-Cause Mortality Following Fall Injury Among Older Adults: Results from a 12-Year National Survey. Healthcare. 2025; 13(19):2530. https://doi.org/10.3390/healthcare13192530
Chicago/Turabian StyleAdeyemi, Oluwaseun, Tracy Chippendale, Olugbenga Ogedegbe, Dowin Boatright, and Joshua Chodosh. 2025. "Activity Intensity and All-Cause Mortality Following Fall Injury Among Older Adults: Results from a 12-Year National Survey" Healthcare 13, no. 19: 2530. https://doi.org/10.3390/healthcare13192530
APA StyleAdeyemi, O., Chippendale, T., Ogedegbe, O., Boatright, D., & Chodosh, J. (2025). Activity Intensity and All-Cause Mortality Following Fall Injury Among Older Adults: Results from a 12-Year National Survey. Healthcare, 13(19), 2530. https://doi.org/10.3390/healthcare13192530