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Table 1 Distribution of demographic characteristics among the study participants

From: Serum inflammatory and oxidative stress biomarkers levels are associated with pain intensity, pressure pain threshold and quality of life in myofascial pain syndrome

Variable Case group (n = 43) Control group (n = 42) P valuec
Age (year) 9.35a 36.44 ±  37.13 ± 8.47 0.715
Weight (kg) 71.58 ± 13.46 70.08 ± 11.08 0.546
Height (cm) 162.58 ± 7.00 161.08 ± 6.40 0.291
BMI (kg/m2) 27.06 ± 4.75 27.01 ± 4.09 0.901
Sex
 Male 2 (4.6%)b 5 (11.9%) 0.240
 Female 41 (95.4%) 37 (88.1%)
Education Education
 Illiterate 7 (16.3%) 1 (2.4%) 0.089
 Primary school 7 (16.3%) 7 (16.7%)
 Secondary school 2 (4.6%) 0 (0.0%)
 High school 3 (7.0%) 5 (11.9%)
 Diploma 9 (20.9%) 9 (21.4%)
 University 15 (34.9%) 20 (47.6%)
Job
 Unemployed 23 (53.5%) 20 (47.6%) 0.529
 Employed 20 (46.5%) 22 (52.4%)
Marital status
 Single 5 (11.6%) 8 (19.0%) 0.399
 Married 38 (88.4%) 34 (81.0%)
BMI Classification
 Normal (18.5–24.9) 15 (35.0%) 11 (26.2%) 0.955
 Overweight (25–29.9) 14 (32.5%) 26 (61.9%)
 Obese (≥ 30) 14 (32.5%) 5 (11.9%)
Physical activity
 Low 31 (72.1%) 25 (59.5%) 0.486
 Moderate 22 (27.9%) 17 (40.5%)
Any multivitamin use
 Yes 25 (58.2%) 16 (38.1%) 0.061
 No 18 (41.8%) 26 (61.9%)
  1. BMI Body Mass Index, CRP C-reactive protein, EF energy/fatigue, EW emotional wellbeing, GH General health, hs-CRP high-sensitive, MDA malondialdehyde, MH mental health, P pain, PF physical function, PH physical health, PLA phospholipase A2, RE role limitation due to emotional problems, RP role limitation due to physical health, SF social function, SOD superoxide dismutase, TAC total antioxidant capacity
  2. aValues are means ± SD
  3. bValues are N (%)
  4. cSignificantly different at p < 0.05 by Independent-Samples T test, Mann–Whitney U test or chi-square test