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Table 1 Baseline characteristics of the study population

From: Physical activity as a risk or protective factor for falls and fall-related fractures in non-frail and frail older adults: a longitudinal study

Ā 

Non-frail

nā€‰=ā€‰215

Frail

nā€‰=ā€‰96

p value

Age (years)a

79.0 (76.9ā€“82.7)

81.8 (79.1ā€“86.9)

ā€‰<ā€‰0.001

Sex (female)b

113 (52.6%)

60 (62.5%)

0.10

BMIa

25.7 (23.8ā€“29.1)

28.1 (25.8ā€“30.8)

ā€‰<ā€‰0.001

Dizziness (yes)b

33 (15.3%)

18 (18.8%)

0.30

Frailty index scorea

0.16 (0.11ā€“0.20)

0.32 (0.27ā€“0.38)

ā€‰<ā€‰0.001

Mean six-meter walking speed (m/sec)a, c

7.0 (6.0ā€“8.0)

11.0 (8.0ā€“13.5)

ā€‰<ā€‰0.001

Grip strength (kg)a

24 (18.1ā€“32.4)

18.5 (13.5ā€“25.5)

ā€‰<ā€‰0.001

Physical activity (minutes per day)a, d

55.1 (31.1ā€“87.3)

25.9 (9.5ā€“51.0)

ā€‰<ā€‰0.001

LAPAQa, d

58.6 (30.0ā€“88.6)

27.1 (11.8ā€“45.0)

ā€‰<ā€‰0.001

  1. BMI Body Mass Index, LAPAQ LASA Physical Activity Questionnaire, IQR Interquartile range
  2. P values are calculated using Chi-squared tests and Mannā€“Whitney U tests
  3. a Presented as median (IQR)
  4. b Presented as n (percentage)
  5. c Six meter walking time was tested by asking subjects to walk 3Ā m, to turn around and walk back 3Ā m as quickly as possible in m/sec
  6. d Duration of physical activities at least at light-high intensity