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Table 2 Characteristics and physical activity levels between patients with axSpA with inactive vs low or high or very high disease activity

From: Physical activity in patients with axial spondyloarthritis in a multi-ethnic south-east Asian country

Characteristics Inactive disease
N = 27
Low, high or very high disease activity
N = 47
P value
Current age, median (IQR), years 34.0 (23.0) 42.0 (28.0) 0.14
Sex, male, n (%) 19 (70.4) 37 (78.7) 0.42
Race, Chinese, n (%) 23 (85.2) 42 (89.4) 0.72
Body mass index, median (IQR), kg m−2 22.6 (5.2) 24.3 (4.9) 0.06
Smoking status
 Currently smoking, n (%) 8 (29.6) 18 (38.3) 0.45
 Ex-smoker, n (%) 19 (70.4) 29 (61.7)  
Alcohol drinkers, n (%) 17 (63.0) 31 (67.4) 0.70
BASFI (range 0–10), median (IQR) 1.1 (0.6) 1.9 (2.0) < 0.01
ASDAS-CRP (range 0–10), median (IQR) 1.1 (0.3) 2.0 (1.0) < 0.01
Co-morbidities
 Hypertension, n (%) 4 (14.8) 7 (14.9) 1.00
 Diabetes mellitus, n (%) 0 (0) 3 (6.4) 0.30
 Hyperlipidemia, n (%) 2 (7.4) 4 (8.5) 1.00
 Coronary artery disease, n (%) 1 (3.7) 3 (6.4) 1.00
 Chronic kidney disease, n (%) 0 (0) 2 (4.3) 0.53
Employed, n (%) 22 (81.5) 35 (74.5) 0.49
WHO recommendations on physical activity for health
 Meets WHO recommendations, n (%) 21 (77.8) 36 (76.6) 0.91
Median time of total physical activity on average per day (IQR), minutes 68.6 (145.7) 57.9 (85.7) 0.46
Median time spent on work-related physical activity on average per day (IQR), minutes 0 (34.3) 0 (17.1) 0.71
Median time spent on travel-related physical activity on average per day (IQR), minutes 8.6 (60.0) 14.3 (30.0) 0.65
Median time spent on recreational-related physical activity on average per day (IQR), minutes 12.9 (64.3) 15.0 (42.9) 0.37
Doing no work-, transport-, or recreation-related physical activity, n (%) 4 (14.8) 5 (10.6) 0.72
WHO level of physical activity
 Low level of physical activity, n (%) 6 (22.2) 11 (23.4) 0.47
 Moderate level of physical activity, n (%) 7 (25.9) 18 (38.3)  
 High level of physical activity, n (%) 14 (51.9) 18 (38.3)  
High level of sedentary activity§, n (%) 18 (66.7) 24 (51.1) 0.19
  1. Abbreviation
  2. ASDAS-CRP Ankylosing Spondylitis Disease Activity Score with C-Reactive Protein, AxSpA Axial spondyloarthritis, BASFI Bath Ankylosing Spondylitis Functional Index, IQR interquartile range, WHO World Health Organization
  3. †Meeting WHO recommendations on physical activity for health includes: (i) 150 min of moderate-intensity physical activity or (ii) 75 min of vigorous-intensity physical activity or (iii) An equivalent combination of moderate- and vigorous-intensity physical activity achieving at least 600 MET-minutes
  4. §Defined as more than 8 h of sedentary