Table 3.
Distribution of health-related fitness between good and bad sleepers Using Mann-Whitney U test (N = 283)
| 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 |
BMI Body mass index, FFMI Free Fat Mass Index, IRQ Interquartile range