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Table 1 Characteristics of study participants by disease status

From: Physical activity restriction in age-related eye disease: a cross-sectional study exploring fear of falling as a potential mediator

  Controls (n = 59) Glaucoma (n = 83) AMD (n = 58)
Vision    
aBetter-eye VA logMAR, median (IQR) 0.08 (0.00, 0.16) 0.16 (0.08, 0.34) 0.38 (0.20, 0.64)
aBinocular log CS, median (IQR) 1.85 (1.80, 1.98) 1.50 (1.35, 1.75) 1.50 (1.35, 1.60)
aBetter-eye VF MD, median (IQR) 0.17 (0.90, -0.65) 7.96 (-4.81, -16.46) --
bNo. with cataract/PCO either eye, N (%) 12 (21.8) 31 (37.4) 18 (33.3)
bNo. with cataract/PCO both eyes, N (%) 6 (10.7) 12 (14.5) 8 (14.8)
Demographics    
aAge in years, median (IQR) 69.4 (65.2, 72.8) 70.4 (66.4, 74.5) 75.8 (71.0, 78.3)
bEthnicity, N (%)    
White non-Hispanic 45 (75.0) 46 (55.4) 57 (90.5)
White-Hispanic 1 (1.7) 6 (7.2) 4 (6.4)
African-American 12 (20.0) 27 (32.5) 1 (1.6)
Asian 2 (3.3) 4 (4.8) 1 (1.6)
bFemale, N (%) 37 (61.7) 44 (53.0) 36 (57.1)
aEducation in years, median (IQR) 16.5 (14.0, 17.0) 16.0 (14.0, 17.0) 16 (13.0, 17.0)
bEmployed, N (%) 23 (38.3) 35 (42.2) 14 (22.2)
bLiving alone, N (%) 11 (18.3) 16 (19.3) 14 (22.2)
Health/cognition    
aBody mass index in kg/m2, median (IQR) 27.9 (23.8, 32.2) 28.0 (24.5, 32.2) 27.5 (24.6, 32.5)
aGrip strength in kg, median (IQR) 26.3 (21.3, 32.3) 28.7 (21.2, 36.7) 27.0 (21.3, 34.3)
aNo. comorbid illnesses, N (IQR) 2 (1, 3) 2 (1, 3) 2 (1, 4)
bNo. depressive symptoms, N (%) 3 (5.0) 5 (6.0) 3 (4.8)
aMMSE-VI score as #/22, N(IQR) 21 (20, 22) 21 (20, 22) 21 (20, 22)
  1. AMD = age-related macular degeneration; logMAR = logarithm of the minimum angle of resolution; IQR = interquartile range; VA = Visual Acuity; VF MD = Visual field mean deviation; PCO = Posterior Capsular Opacification; No. = number; MMSE-VI = Mini-mental status examination for the visually impaired
  2. Values in bold indicate p < 0.05
  3. aKruskal-wallis test
  4. bChi-squared test