Differences and Correlations of Anxiety, Sleep Quality, and Pressure-Pain Threshold between Patients with Chronic Low Back Pain and Asymptomatic People
Table 1
Baseline data (M ± SD).
Chronic low back pain (n = 40)
Asymptomatic (n = 40)
t
Age (years)
22.45 ± 2.36
21.55 ± 2.09
−1.805
0.075
Male (n (%))
20 (25.00)
20 (25.00)
None
None
Female (n (%))
20 (25.00)
20 (25.00)
Height (cm0
170.48 ± 9.56
169.05 ± 9.82
−0.658
0.513
Weight (kg)
62.03 ± 12.87
61.51 ± 11.45
−0.188
0.851
Education (years&)
4.43 ± 1.82
4.08 ± 1.93
−0.834
0.407
Sedentary (n (%))
22 (27.50)
26 (32.50)
−0.906
0.368
Regular training (n (%))
27 (33.75)
22 (27.50)
1.142
0.257
Duration of each training (mins)
61.88 ± 37.84
55.00 ± 38.81
−0.802
0.425
Frequency (times per week)
3.33 ± 1.75
2.73 ± 1.81
−1.509
0.135
Self-perceived intensity+
2.78 ± 1.17
2.65 ± 1.25
−0.462
0.645
&Freshman was 1, sophomore was 2, junior year was 3, senior year was 4, the first year of postgraduate was 5, and so on. +: 0–6 points; 0, rest; 1, very weak; 2, mild; 3, medium; 4, tiredness; 5 very tired.