Average prices paid (US$), ranges (US$) and p values for tobacco products purchased before and after tax increase: Minnesota versus comparison states
| Round 1 (preincrease) Week of 27 May 2013 | Round 2 (preincrease) Week of 24 June 2013 | Round 3 (postincrease) Week of 8 July 2013 | Round 4 (postincrease) Week of 29 July 2013 | Round 5 (postincrease) Week of 26 August 2013 | Round 6 (postincrease, postminimum smokeless tax) Week of 13 January 2014 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minnesota | Comparison States | Minnesota | Comparison States | Minnesota | Comparison states | Minnesota | Comparison states | Minnesota | Comparison states | Minnesota | Comparison states | |
| Marlboro Gold cigarettes | ||||||||||||
| Average Price | 6.04 | 7.04 | 6.07 | 7.05 | 7.94* | 7.04 | 7.93* | 7.04 | 7.95* | 7.04 | 8.05* | 7.13 |
| Range | (5.76–6.75) | (4.88–8.29) | (5.43–6.85) | (4.88–8.29) | (7.66–8.58) | (4.96–8.29) | (7.08–8.58) | (4.96–8.29) | (7.68–8.58) | (4.95–8.29) | (7.77–8.58) | (5.04–8.22) |
| p Value† | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | ||||||
| Camel Blue cigarettes | ||||||||||||
| Average Price | 5.39 | 6.37 | 5.37 | 6.38 | 7.15* | 6.61 | 7.04* | 6.33 | 7.24* | 6.23 | 7.48* | 6.50 |
| Range | (4.50–6.50) | (4.36–8.29) | (4.50–6.56) | (3.56–8.29) | (6.33–8.31) | (4.47–8.29) | (6.20–8.31) | (4.47–8.29) | (6.33–8.59) | (4.47–8.29) | (6.53–8.74) | (3.91–8.17) |
| p Value† | <0.001 | <0.001 | 0.010 | 0.002 | <0.001 | <0.001 | ||||||
| Copenhagen Wintergreen smokeless | ||||||||||||
| Average Price | 4.39 | 4.52 | 4.37 | 4.68 | 5.00* | 4.47 | 5.10* | 4.45 | 5.11* | 4.44 | 6.24* | 4.74 |
| Range | (3.47–6.29) | (2.78–6.11) | (3.37–6.29) | (2.78–7.86) | (3.42–7.29) | (2.78–5.27) | (4.39–7.29) | (2.78–5.27) | (3.45–7.47) | (2.42–6.78) | (4.29–7.39) | (2.42–5.78) |
| p Value† | 0.097 | 0.2388 | 0.026 | 0.0067 | 0.0098 | <0.0001 | ||||||
| Grizzly Wintergreen smokeless | ||||||||||||
| Average Price | 4.30 | 4.59 | 4.27 | 4.45 | 4.90* | 4.47 | 4.98* | 4.46 | 4.98* | 4.54 | 6.37* | 4.42 |
| Range | (3.47–5.05) | (3.11–6.00) | (3.47–5.05) | (3.11–5.27) | (3.47–6.77) | (3.11–5.27) | (3.44–6.77) | (3.11–5.27) | (3.99–6.29) | (3.11–5.80) | (4.56–7.18) | (2.68–5.32) |
| p Value† | 0.097 | 0.239 | 0.026 | 0.007 | 0.010 | <0.001 | ||||||
*Significantly different from Round 1 measurement of the same state (Minnesota or comparison states); p<0.001.
†p Value reflects Minnesota versus Comparison States.
Note: Difference on product price changes before and after tax increases (Minnesota-comparison states): Marlboro Gold cigarettes: US$1.89 (95% CI US$1.82, US$1.97); Camel Blue cigarettes: US$1.81 (95% CI US$1.66, US$1.97); Copenhagen Wintergreen smokeless: US$0.90 (95% CI US$0.74, US$1.06); Grizzly Wintergreen smokeless: US$0.94 (95% CI US$0.79, US$1.08); p<0.0001.