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Table 1 Characteristics of study population

From: Satisfactory results of a psychometric analysis and calculation of minimal clinically important differences of the World Health Organization quality of life-BREF questionnaire in an observational cohort study with lung cancer and mesothelioma patients

Characteristic Overall sample (n = 153)
Age, years
 Mean (SD) 63.4 (9.2)
 Min, max 37, 83
Sex
 Male 83 (54.2)
Ethnicity
 White/Caucasian 143 (93.5)
 Asian 3 (2.0)
 Negroid 2 (1.3)
 Other 5 (3.3)
Educationa
 Low 113 (73.9)
 High 33 (21.6)
 Unknown 7 (4.6)
Employment
 Yes 40 (26.1)
 No 112 (73.2)
 Unknown 1 (0.7)
Partner status
 Married/cohabiting 116 (75.8)
 Unmarried partners/not cohabiting 6 (3.9)
 Divorced/separated 14 (9.2)
 Widowed/partner died 10 (6.5)
 Single 6 (3.9)
 Unknown 1 (0.7)
Cancer stageb
 Locally advanced (IIIB) 19 (12.4)
 Metastatic (IV) 119 (77.8)
 Other 14 (9.2)
 Unknown 1 (0.7)
Type of tumorb
 Adenocarcinoma 141 (92.2)
 Large cell carcinoma 4 (2.6)
 Mesothelioma 7 (4.6)
 Large cell neuroendocrine carcinoma 1 (0.7)
Line of therapy
 First line 134 (87.6)
 Second line 10 (6.5)
 Third line 1 (0.7)
 Adjuvant 8 (5.2)
ECOG performance statusa
 Grade 0 39 (25.5)
 Grade 1 99 (64.7)
 Grade 2 11 (7.2)
 Grade 3 2 (1.3)
 Unknown 2 (1.3)
  1. Abbreviations: n number of patients, SD standard deviation, ECOG Eastern Cooperative Oncology Group
  2. Values are given in numbers (percentages) unless stated otherwise
  3. aLow education: persons whose highest level of education is primary education, lower general education or lower vocational education. High education: persons whose highest level of education is higher general education, higher vocational education or university
  4. bMeasured at baseline