Research Article

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 ± 2.3621.55 ± 2.09−1.8050.075
Male (n (%))20 (25.00)20 (25.00)NoneNone
Female (n (%))20 (25.00)20 (25.00)
Height (cm0170.48 ± 9.56169.05 ± 9.82−0.6580.513
Weight (kg)62.03 ± 12.8761.51 ± 11.45−0.1880.851
Education (years&)4.43 ± 1.824.08 ± 1.93−0.8340.407
Sedentary (n (%))22 (27.50)26 (32.50)−0.9060.368
Regular training (n (%))27 (33.75)22 (27.50)1.1420.257
Duration of each training (mins)61.88 ± 37.8455.00 ± 38.81−0.8020.425
Frequency (times per week)3.33 ± 1.752.73 ± 1.81−1.5090.135
Self-perceived intensity+2.78 ± 1.172.65 ± 1.25−0.4620.645

&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.