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. 2020 Jun 19;17(12):4423. doi: 10.3390/ijerph17124423

Table 1.

Characteristics and physical activity profile of participants with spinal cord injury.

Variables Total 1st T 2nd T 3rd T
(n = 103) (n = 33) (n = 35) (n = 35)
Male 91 (88.3) 25 (75.8) 33 (94.3) 33 (94.3)
Age (years) 36.71 ± 9.77 38.94 ± 9.87 36.43 ± 9.88 34.89 ± 9.40
Height (cm) 172.91 ± 11.63 172.18 ± 7.41 174.03 ± 5.26 172.49 ± 18.02
Weight (kg) 65.37 ± 10.48 63.85 ± 9.03 67.11 ± 8.57 65.06 ± 13.17
BMI (kg/m2) 21.63 ± 2.97 21.50 ± 2.47 22.16 ± 2.61 21.23 ± 3.67
AIS grade
  A 58 (56.3) 20 (60.6) 18 (51.4) 20 (57.1)
  B 36 (35.0) 10 (30.3) 13 (37.1) 13 (37.1)
  C 7 (6.8) 2 (6.1) 4 (11.4) 1 (2.9)
  D 2 (1.9) 1 (3.0) 0 (0.0) 1 (2.9)
Impaired spinal cord levels
  Cervical 59 (57.3) 22 (66.7) 19 (54.3) 18 (51.4)
  Thoracic 39 (39.0) 9 (27.3) 15 (42.9) 15(42.9)
  Lumbosacral 5 (5.0) 2 (6.1) 1 (2.9) 2 (5.7)
PA intensity
  Mild (min/week) 164.6 ± 217.9 32.6 ± 49.5 116.8 ± 78.2 335.7 ± 289.1
  Moderate (min/week) 115.5 ± 144.9 11.5 ± 29.7 94.6 ± 55.8 233.4 ± 181.1
  Strenuous (min/week) 47.9 ± 107.9 - 37.8 ± 58.2 101.7 ± 160.4
  Total PA (min/week) 323.4 ± 336.5 44.1 ± 52.7 239.3 ± 61.3 670.9 ± 354.9

Values are mean ± SD or n (%). Abbreviation: T = tertiles; AIS = American Spinal Cord Injury Association impairment scale, A = (complete)—no motor or sensory function is preserved in the sacral segments S4–S5, B = (incomplete)—sensory function preserved but motor function is not preserved below the neurological level and includes the sacral segments S4–S5, C = (incomplete)—motor function is preserved below the neurological level, and more than half of the key muscles below the neurological level have a muscle grade less than 3, D = (incomplete)—motor function is preserved below the neurological level, and at least half of the key muscles below the neurological level have a muscle grade of 3 or more; PA = physical activity. Physical activity was categorized into three tertile groups: (1) low PA (1st T), (2) middle PA (2nd T), or (3) highest PA (3rd T). Total physical activity = (min of mild physical activity per week) + (min of moderate physical activity per week) + (min of strenuous physical activity per week).