4-150 Parameter estimates4-151 (SE) from regression of rates for all articles and categorised by policy type
| Overall | Clean indoor air | Youth access | Economic disincentives | Advertising and promotion | Miscellaneous | |
| Intercept | 2.55 (0.12) | 1.15 (0.15) | 0.45 (0.18) | 0.19 (0.23) | −0.51 (0.16) | 1.64 (0.15) |
| ASSIST—No4-152 4-153 | −0.53 (0.18) | −0.78 (0.20) | −0.50 (0.23) | −0.13 (0.31) | −0.63 (0.22) | −0.49 (0.23) |
| Year4-152 | ||||||
| 1994 | 0.29 (0.15) | 1.16 (0.18) | −0.26 (0.23) | 0.67 (0.32) | 0.36 (0.21) | −1.15 (0.17) |
| 1995 | −0.35 (0.13) | 0.20 (0.17) | 0.46 (0.21) | −0.94 (0.31) | 0.15 (0.20) | −1.20 (0.16) |
| 1996 | −0.32 (0.12) | −0.20 (0.15) | 0.54 (0.19) | −0.82 (0.30) | −0.08 (0.18) | −0.75 (0.13) |
| 1997 | 0.02 (0.09) | −0.03 (0.12) | 0.69 (0.15) | −0.15 (0.26) | 0.38 (0.14) | −0.30 (0.10) |
| IOI Score4-152 | 0.11 (0.03) | 0.09 (0.03) | 0.11 (0.03) | 0.12 (0.04) | 0.13 (0.03) | 0.09 (0.04) |
| ASSIST–year interaction | ||||||
| No4-1501994 | −0.01(0.22) | 0.29 (0.25) | −0.17 (0.30) | −0.58 (0.42) | 0.14 (0.30) | −0.25 (0.28) |
| No4-1501995 | 0.10 (0.20) | 0.44 (0.24) | 0.02 (0.28) | −0.16 (0.41) | 0.11 (0.29) | −0.01 (0.26) |
| No4-1501996 | 0.01 (0.18) | 0.18 (0.21) | −0.16 (0.25) | −0.22 (0.39) | −0.18 (0.27) | −0.07 (0.23) |
| No4-1501997 | 0.00 (0.14) | 0.02 (0.17) | 0.01 (0.20) | −0.44 (0.32) | −0.27 (0.22) | −0.08 (0.17) |
↵4-150 Washinton DC was excluded because of the rates in that district being an outlier.
↵4-151 Parameter estimates and standard errors are for the transformed dependent variable ln (average rate + 0.05).
↵4-152 Significant with p < 0.05 for all articles and articles categorised by policy type; degrees of freedom for F test are 1 and 47 for ASSIST and IOI score, and 4 and 192 for year and ASSIST–year interaction.
↵4-153 ASSIST states include Colorado, Indiana, Massachusetts, Maine, Michigan, Minnesota, Missouri, North Carolina, New Jersey, New Mexico, New York, Rhode Island, South Carolina, Virginia, Washington, Wisconsin, and West Virginia.