Survey respondents' evaluation of the quantity and quality of policy research in each of 11 policy areas in the years 1992 and 2011
| Category | 1992 | 2011 | ||||||||
| Non-existent or limited (0) | Moderate (1) | Substantial (2) | Not sure | Mean (95% CI) | Non-existent or limited (0) | Moderate (1) | Substantial (2) | Not sure | Mean (95% CI) | |
| Advertising/promotion bans | 24 | 32 | 26 | 23 | 1.02 (0.88 to 1.17) | 2 | 27 | 62 | 14 | 1.66 (1.56 to 1.76) |
| Clean indoor air laws/policies | 16 | 42 | 24 | 23 | 1.10 (0.97 to 1.23) | 0 | 7 | 84 | 14 | 1.92 (1.87 to 1.97) |
| Illicit trade | 51 | 18 | 5 | 31 | 0.38 (0.26 to 0.49) | 10 | 53 | 21 | 21 | 1.13 (1.02 to 1.24) |
| Media counteradvertising | 29 | 37 | 15 | 24 | 0.83 (0.69 to 0.96) | 4 | 39 | 49 | 13 | 1.49 (1.38 to 1.60) |
| Public education/information | 8 | 36 | 32 | 29 | 1.32 (1.19 to 1.44) | 6 | 26 | 53 | 20 | 1.55 (1.43 to 1.67) |
| School health education | 14 | 30 | 33 | 28 | 1.25 (1.10 to 1.39) | 14 | 28 | 42 | 21 | 1.33 (1.19 to 1.48) |
| Taxation/price | 16 | 41 | 23 | 25 | 1.09 (0.96 to 1.22) | 1 | 25 | 64 | 15 | 1.70 (1.61 to 1.79) |
| Tobacco product regulation | 47 | 27 | 8 | 23 | 0.52 (0.40 to 0.65) | 9 | 49 | 34 | 13 | 1.27 (1.15 to 1.39) |
| Cessation treatment policy | 21 | 37 | 17 | 30 | 0.95 (0.81 to 1.08) | 4 | 26 | 58 | 17 | 1.61 (1.50 to 1.72) |
| Warning labels | 35 | 35 | 13 | 22 | 0.73 (0.60 to 0.87) | 0 | 30 | 63 | 12 | 1.68 (1.59 to 1.77) |
| Youth access laws | 21 | 40 | 16 | 28 | 0.94 (0.80 to 1.07) | 11 | 32 | 44 | 18 | 1.38 (1.25 to 1.51) |