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Table 1 Characteristics by psychological distress for girls. Fit Futures 2010–2011 (n = 458)

From: Correction to: Are pro-infammatory markers associated with psychological distress in a cross-sectional study of healthy adolescents 15–17 years of age? The Fit Futures study

  With psychological distress Without psychological distress p-value*
n Mean (SD) n Mean (SD)
Age in years mean (SD) 123 16.15 (0.44) 335 16.13 (0.41) 0.23
Body fat percentage, dichotomous 123   332   0.03
 < 30   33.3%   44.9%  
 ≥ 30   66.7%   55.1%  
Age menarche (years) 121   331   0.88
 Early (≤ 12.68)   39.7%   40.5%  
 Late (> 12.68)   60.3%   59.5%  
Smoking 123   334   < 0.01
 No, never   62.6%   85.9%  
 Yes   37.4%   14.1%  
Snuffing 123   334   < 0.01
 No, never   53.7%   71.3%  
 Yes   46.3%   28.7%  
Alcohol 123   335   0.01
 Never   14.6%   26.6%  
 Once per month or less   46.3%   46.6%  
 Twice or more per month   39.0%   26.9%  
Physical activity 123   335   < 0.01
 Sedentary   22.0%   11.3%  
 Active   78.0%   88.7%  
Sleep (hours) 123   334   < 0.01
 Low (≤ 7)   51.2%   34.7%  
 High (> 7)   48.8%   65.3%  
Current infection 122   334   0.20
 No   82.8%   87.4%  
 Yes   17.2%   12.6%  
Chronic disease 122   334   0.01
 No   59.9%   72.2%  
 Yes   41.0%   27.8%  
Hormonal contraceptives 122   333   < 0.01
 No   50.8%   65.8%  
 Yes   49.2%   34.2%  
Intake of medication 122   334   0.05
 No   59.8%   69.8%  
 Yes   40.2%   30.2%  
High School Program 123   335   0.02
 General studies   45.5%   54.3%  
 Sports and physical   4.9%   9.6%  
 Vocational   49.6%   36.1%  
 CRP mg/L median and IQR 97 0.72 (1.39) 297 0.47 (1.08) 0.11
IL-6 NPX median and IQR 98 2.79 (0.59) 300 2.68 (0.57) 0.05
TGF- α NPX median and IQR 98 3.90 (0.80) 300 3.90 (0.71) 0.91
TRANCE NPX median and IQR 98 5.62 (0.77) 300 5.53 (0.76) 1.00
TWEAK NPX median and IQR 98 8.94 (0.51) 300 8.88 (0.42) 0.87
Vitamin D nmol/L median and IQR 98 39.36 (25.94) 300 41.90 (24.07) 0.65
  1. *Chi-square for categorical variables and t-test or Mann Whitney U for continuous variables
  2. With psychological distress: a score above 1.85 on HSCL-10
  3. Without psychological distress: a score below 1.85 on HSCL-10
  4. Mean (SD) of continuous variable and percentages of categorical variables are reported
  5. Median and IQR are reported for inflammatory markers and Vitamin D
  6. Intake of medication: Intake of medications, analgetics or antibiotics in the last 24 h
  7. CRP C-reactive protein, IL6-α Interleukin 6 alpha, TGF-α Transforming growth factor alpha, TRANCE Tumor Necrosis Factor-related activation-induced cytokine (O14788: TNF-related activation-induced cytokine within limits of detection), TWEAK Tumor necrosis factor-like weak inducer of apoptosis (O43508: TNF-like weak inducer of apoptosis within limits of detection), NPX Normalized protein expression, Vitamin D Standardized version of (25-OH)D