| 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* | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   Often | 55 | 31.3% | 44 | 23.5% |
   Occasionally or never | 118 | 67.0% | 141 | 75.4% |
Self-rated visual ability | Â | Â | Â | Â |
   Good | 122 | 69.3% | 110 | 58.8% |
   Average or poor | 48 | 27.3% | 74 | 39.6% |