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Table 2 Description of the sample by OA diagnosis, including pain, functional status and quality of life results (SF-36 and EQ-5D): EpiReumaPt ages 50–64 (n = 1286)

From: The impact of osteoarthritis on early exit from work: results from a population-based study

  OA (n = 382) NON-OA (n = 904)
Age (years) 57.5 56.0 (p < 0.001)*
Gender (female) 72.3% 39.6% (p < 0.001)
Employment Status
 Unemployment 17.7% 9.9% (p = 0.002)
 Early Retirement 32.6% 29.1% (p = 0.437)
 Exit from Work 61.8% 47.6% (p = 0.004)
Educational Level
 Primary or less 57.9% 47.9%
 Medium 20.2% 25.4%
 High 21.8% 26.7% (p = 0.148)
Body Mass Index
 Underweight (< 18.5m2/kg) 0.5% 0.4%
 Normal (18.5-25 m2/kg) 26.9% 29.5%
 Overweight (25-30 m2/kg) 42.3% 48.3%
 Obese (≥30m2/kg) 30.3% 21.8% (p = 0.207)
Chronic Diseases (self-reported)
 Cardiovascular 68.9% 61.0% (p = 0.108)
 Diabetes 15.5% 9.5% (p = 0.027)
 Pulmonary 7.7% 7.5% (p = 0.962)
 Allergy 29.7% 22.8% (p = 0.158)
 Gastrointestinal 32.0% 18.3% (p < 0.001)
 Neoplasic 4.0% 5.2% (p = 0.454)
 Mental 19.3% 13.8% (p = 0.029)
 Neurologic 3.5% 2.9% (p = 0.602)
Comorbidity Score 2.3 1.7 (p < 0.001)
Longstanding Musculoskeletal Pain 52.5% 34.1% (p < 0.001)
SCORE HAQ (0–3 from best to worst) 0.64 0.28 (p < 0.001)
SCORE EQ-5D (0–100 from worst to best imaginable health state) 0.68 0.83 (p < 0.001)
SF-36 physical function (0–100 from worst to best) 65.2 80.8 (p < 0.001)
SF-36 role limitations because of physical health problems 59.8 77.3 (p < 0.001)
SF-36 bodily pain 54.9 72.6 (p < 0.001)
SF-36 social functioning 80.3 87.8 (p < 0.001)
SF-36 general mental health 58.8 69.7 (p < 0.001)
SF-36 role limitations because of emotional problems 71.2 85.3 (p < 0.001)
SF-36 vitality 51.4 61.9 (p < 0.001)
SF-36 general health perceptions 47.8 56.6 (p < 0.001)
  1. All results were computed as weighted proportions to keep in account the sampling design of the survey
  2. *All p values: OA versus non-OA. OA, Osteoarthritis; HAQ, Health Assessment Questionnaire; EQ-5D, European Quality of Life index; SF-36, Short-Form Health Survey