Table 2

Characteristics of respondents

Patient groupBreast cancerColon cancer
SampleDCE sample (n=84)Dutch patients with cancer* DCE sample (n=145)Dutch patients with cancer*
 Gender (%)
 Age (%)
  18–39 years10.
  40–59 years69.037.131.811.0
  60 years and older19.158.055.988.0
Socioeconomic status
 Education level (%)
 Subjective health (%)
  (Very) poor4.711.7
  (Very) good53.649.0
 Health literacy†
 Mean score (SD)3.5 (0.5)3.4 (0.6)
  Inadequate level1.44.0
  Adequate level98.696.0
Stated choice behaviour‡
 Preferences respondent (%)
  Be advised by an expert34.543.5
  Use a comparative tool9.53.4
  Choose independently54.826.9
  • *Source11 19

  • †Measured only in the main study questionnaire using the validated Dutch translation of Chew's 3-item set of Brief Screening Questions.15

  • ‡A single question in which respondents chose one statement that described their choice behaviour best.

  • DCE, discrete choice experiment.