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Table 1 Socio-demographic and clinical characteristics of the case and control subjects

From: Validation of the osteoporosis quality of life questionnaire QUALEFFO-41 for the Serbian population

  Cases (n = 50) Controls (n = 50) p-value
Age mean in years (SD) 71.84 (8.57) 63.02 (7.49) p < 0.001
Mean age of menopause onset (SD) 47.10 (5.13) 47.02 (5.36) 0.93
Duration of menopause in years (SD) 24.74 (8.98) 16.00 (9.62) p < 0.001
BMI mean (kg/m2) (SD) 25.14 (4.53) 25.71 (3.76) 0.50
Employment status (N, (%))    0.01
Working 1 (2.00) 7 (14.00)  
Not working 5 (10.00) 10 (20.00)  
Medical leave of absence 2 (4.00) 0 (0.00)  
Retired 42 (84.00) 33 (66.00)  
Education level (N, (%))    0.62
No formal education 0 (0.00) 2 (4.00)  
Primary 18 (36.73) 15 (30.00)  
Secondary 11 (22.45) 22 (44.00)  
Master degree 18 (36.73) 10 (20.00)  
Postgraduate 2 (4.08) 1 (2.00)  
Marital status (N, (%))    p < 0.001
Married 18 (36.00) 38 (76.00)  
Single (including divorced) 8 (16.00) 3 (6.00)  
Widowed 24 (48.00) 9 (18.00)  
  1. SD, Standard Deviation
  2. BMI, Body Mass Index