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Table 3 Distribution of health-related fitness between good and bad sleepers Using Mann-Whitney U test (N = 283)

From: Subjective sleep quality and association with depression syndrome, chronic diseases and health-related physical fitness in the middle-aged and elderly

Variables Good Sleepers (n = 207) Bad Sleepers (n = 79) z/p
median (IQR) median (IRQ)  
Age 58.00 (54.00–63.00) 57.00 (53.00–63.00) −0.585/0.558
Depression 0 (0–2) 4 (2–7) −7.190/0.000
Chronic disease numbers 1 (0–1) 1 (0–2) −2.125/0.034
Self-rate health 3 (3–4) 3 (2–3) −5.399/0.000
Anthropometric index
 BMI (kg/m2) 23.50 (21.50–25.80) 22.90 (20.85–25.45) −1.278/0.201
 FFMI 16.30 (15.40–17.41) 16.42 (15.50–17.33) −0.050/0.960
 Mid-arm circumference (cm) 28.90 (27.23–31.00) 28.60 (26.80–30.50) − 1.239/0.215
 Waist / hip ratio 0.85 (0.80–0.90) 0.84 (0.79–0.89) −0.206/0.837
Physical Fitness
 Sit-and-reach (cm) 10.10 (1.60–16.50) 7.10 (0.00–13.83) −1.351/0.177
 One leg stance (sec) 60.00 (55.00–60.00) 60.00 (49.75–60.00) −1.860/0.853
 Two-min step (times) 113.00 (99.00–124.00) 107.5 (89.0–118.75) −1.782/0.075
 Chair stand in 30s (times) 16.00 (13.00–20.00) 15.00 (12.00–19.00) −1.593/0.111
 Grip muscle strength (kg) 24.10 (20.20–30.10) 23.30 (17.70–28.40) −1.682/0.093
Up and go (sec) 6.00 (5.00–6.00) 7.00 (6.00–7.00) −2.324/0.020
 Back muscle strength (kg) 48.00 (31.50–64.50) 44.25 (30.38–59.00) 1.388/0.165
  1. BMI Body mass index, FFMI Free Fat Mass Index, IRQ Interquartile range