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Table 1 Cohort baseline characteristics

From: Development of a multivariable prognostic PREdiction model for 1-year risk of FALLing in a cohort of community-dwelling older adults aged 75 years and above (PREFALL)

Variable Level and summary measure Total a
Sociodemographics
 Age (years) median [IQR] 82 [80, 86]
 Sex Women, n (%) 160 (66.4)
 Marital status Married or living with a partner, n (%) 98 (40.7)
Widow, n (%) 125 (51.9)
Other, n (%) 18 (7.5)
 Living alone Yes, n (%) 144 (59.8)
 Highest level of education completed Municipal primary and lower secondary school, n (%) 106 (44.0)
Skilled worker, n (%) 68 (28.2)
General upper secondary education or longer, n (%) 67 (27.8)
 Monthly household income in Euro <  1075, n (%) 106 (44.0)
1076 - 2285, n (%) 81 (33.6)
>  2285, n (%) 54 (22.4)
 Weekly alcohol consumption (units) <  7, n (%) 187 (77.6)
7–14, n (%) 47 (19.5)
>  14, n (%) 7 (2.9)
 Having dog or cats in the household Yes, n (%) 30 (12.4)
 Using glasses with multifocal lenses Yes, n (%) 184 (76.3)
Falls
 One or more falls within the previous year Yes, n (%) 105 (43.6)
 Do you think you will fall within the next year? Yes, n (%) 45 (18.7)
 Short Falls Efficacy Scale International (7–28) # median [IQR] 8 [7, 11]
Comorbidities and medication
 Having two or more diseases or chronic disorders Yes, n (%) 209 (86.7)
 Charlson Comorbidity Index - score (0–37) # median [IQR] 1 [0, 2]
 Charlson Comorbidity Index – grouping # 0, n (%) 106 (44.0)
1–2, n (%) 108 (44.8)
>  3, n (%) 27 (11.2)
 Number of all prescribed drugs median [IQR] 7 [4, 10]
 Polypharmacy (5 or more prescribed drugs) Yes, n (%) 170 (70.5)
Frailty and symptoms
 Tilburg Frailty Indicator - Total score (0–15) # median [IQR] 6 [4, 8] b
 Occasionally experiencing dizziness Yes, n (%) 123 (51.0)
 Occasionally experiencing lower limb pain when walking? Yes, n (%) 121 (50.2)
 Occasionally experiencing urinary incontinence Yes, n (%) 90 (37.3)
Nutrition
 Mini Nutritional Assessment Score (0–14) median [IQR] 11 [10, 12] b
 Body Mass Index (kg/m2) median [IQR] 27.7 [25.3,30.7] b
Psychology and cognition
 Geriatric Depression Scale - 4 items # Two or more points, n (%) 13 (5.4)
 Orientation-Memory-Concentration test (0–28) median [IQR] 26 [22, 26] d
 EQ-5D-3L score (−0.167–1.000) median [IQR] 0.7 [0.6, 1.0]
Activities of Daily Living and mobility
 Vulnerable Elders Survey - 13 (1–10) # median [IQR] 3 [1, 4] d
 Using walking aids Yes, n (%) 142 (58.9)
 Habitual gait speed (m/sec) median [IQR] 0.9 [0.7, 1.2]
Physical
 Total grip strength of both upper limbs (kg) median [IQR] 24.3 [18.6, 30.2] c
 Difference in grip strength between upper limbs (kg) median [IQR] 1.5 [0.7, 2.5] c
 Total isometric lower limb strength (kg) median [IQR] 132.8 [90.1, 188.4] c
 Difference in isometric lower limb strengths (kg) median [IQR] 7.1 [3.4, 11.9] c
 Average lower limb reaction time (ms) median [IQR] 1315 [1122; 1567] c
 Difference in lower limb reaction time (ms) median [IQR] 142 [60, 370] c
 Centre of Pressure area (mm2) median [IQR] 69 [42, 112] b
 Centre of Pressure speed (mm/s) median [IQR] 23 [16, 30] b
  1. Notes: n number, % percentage proportion, IQR interquartile range, # a lower score is better, m/sec meters per second, kg kilogram, ms milliseconds, mm2 square millimeters, mm/s millimeters per second, kg/m2 kg per square meters, a = sample size is 241 participants, b = 1 missing observation, c = 2 missing observations, d = 4 missing observations