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Table 2 Risk ranking of nanomaterials in products with comparison to perceived health risk, by stakeholder

From: Perceptions of risk from nanotechnologies and trust in stakeholders: a cross sectional study of public, academic, government and business attitudes

Rank Public n^ % 95% LCI 95% UCI Academic n % 95% LCI 95% UCI Government n % 95% LCI 95% UCI Business n % 95% LCI 95% UCI
1 Food** 1054 84.8 82.3 87.3 Food** 144 55.4 49.3 61.4 Cosmetics* 8 44.4 20.8 68.1 Pesticides 5 23.8 5.1 42.5
2 Cosmetics** 913 72.2 69.0 75.4 Cosmetics** 107 39.5 33.6 45.3 Pesticides 6 35.3 11.9 58.7 Food 4 20.0 2.0 38.0
3 Medicines** 866 70.8 67.5 74.0 Pesticides** 106 39.0 33.2 44.8 Food 6 33.3 10.9 55.8 Cosmetics 2 10.5 0.0 24.7
4 Health 798 65.7 62.2 69.2 Medicines 88 32.6 27.0 38.2 Health 4 21.1 2.2 39.9 Medicines 1 5.0 0.0 14.8
5 Pesticides* 808 63.8 60.3 67.3 Health 71 26.7 21.4 32.0 Medicines 3 15.8 0.0 32.6 Health 1 5.0 0.0 14.8
6 Computers** 510 39.6 36.1 43.0 Computers** 20 6.8 3.9 9.7 Computers 2 10.5 0.0 24.7 Computers 0 0 0 0
  1. Note: Within each stakeholder group all 5 products were ranked by order of agreement that manufactured nanomaterials were a risk if found in that particular product. Percentage of each product agreement was compared to the generic view of risk of manufactured nanomaterials - to health (bolded).
  2. *P value < 0.05 when compared to “health” using paired test of proportions.
  3. **P value < 0.01 when compared to “health” using paired test of proportions.
  4. ^n = number of ‘agreed’ (don’t know /refused removed).