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Table 1 Sample characteristics

From: Communicating population health statistics through graphs: a randomised controlled trial of graph design interventions

  Intervention group Control group
Characteristic Number (n = 176) % Number (n = 187) %
Sex (male) 53 30.1% 47 25.1%
Age 37 21.0% 41 21.9%
   < 34 years 109 61.9% 106 56.7%
   35–54 years 27 15.3% 36 19.3%
   ≥55 years     
English as preferred language 171 97.2% 183 97.9%
Education (university qualification) 116 65.9% 124 66.3%
Work position*     
   Clinical 61 34.7% 76 40.6%
   Public health/policy 36 20.5% 35 18.7%
   Other 72 40.9% 70 37.4%
Frequency of graph use     
   Often 55 31.3% 44 23.5%
   Occasionally or never 118 67.0% 141 75.4%
Self-rated visual ability     
   Good 122 69.3% 110 58.8%
   Average or poor 48 27.3% 74 39.6%
  1. *Work position: clinical comprised doctors, nurses, allied health dealing with patients; non-clinical public health/policy comprised health-related but not dealing directly with patients; other included non-health admininistration, computing, clerical, maintenance.
  2. Category totals may not add to 100% because of missing responses