Table 1.
Characteristics of study population
| Characteristic | Patients who completed questionnaires (N = 151) | Patients who did not complete any questionnaire (N = 26) | Pa |
|---|---|---|---|
| Age, yearsb | |||
| Mean (SD) | 63.3 (9.1) | 63.7 (8.7) | 0.85 |
| Min, max | 37, 83 | 47, 80 | |
| Gender | |||
| Male | 82 (54.3) | 12 (46.2) | 0.53 |
| Ethnicity | |||
| White / Caucasian | 142 (94.0) | 25 (96.2) | 1.00 |
| Other | 9 (6.0) | 1 (3.8) | |
| Educationc | |||
| Low | 113 (74.8) | ||
| High | 32 (21.2) | ||
| Unknown | 1 (0.7) | 26 (100.0) | |
| Employmentb | |||
| Yes | 38 (25.2) | 1 (3.8) | 0.26 |
| No | 112 (74.2) | ||
| Unknown | 1 (0.7) | 25 (96.2) | |
| Partner statusb | |||
| Partner | 122 (80.8) | 1 (3.8) | 1.00 |
| No partner | 28 (18.5) | ||
| Unknown | 1 (0.7) | 25 (96.2) | |
| Cancer stageb | |||
| Locally advanced (IIIB) | 19 (12.6) | 2 (7.7) | 0.76 |
| Metastatic (IV) | 124 (82.1) | 23 (88.5) | |
| Other | 8 (5.3) | 1 (3.8) | |
| Type of tumorb | |||
| Adenocarcinoma | 136 (90.1) | 24 (92.3) | 1.00 |
| Large cell carcinoma, mesothelioma, other | 15 (9.9) | 2 (7.7) | |
| Line of therapy | |||
| irst | 140 (92.7) | 22 (84.6) | 0.24 |
| econd | 11 (7.3) | 4 (15.4) | |
| ECOG performance statusb | |||
| Grade 0 or 1 | 135 (89.4) | 18 (69.2) | 0.02 |
| Grade 2 or higher | 14 (9.3) | 7 (26.9) | |
| Unknown | 2 (1.3) | 1 (3.8) | |
Values are given in numbers (percentages) unless stated otherwise. aP-values reflect differences between patients who completed any questionnaire and those who did not
bMeasured at the start of treatment with chemotherapy
cLow 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.
Abbreviations: N number of patients, SD standard deviation, ECOG Eastern Cooperative Oncology Group (ECOG)