TABLE 1—
Risk Ratios (95% Confidence Intervals) for Increased Sales of Nicotine Patches and Gum Before and After Implementation of Tobacco Control Measures and During the Weeks Encompassing New Year’s Day, With Temporal and Seasonal Trends Controlled: New York City, January 2002–January 2004
| Nicotine Patches | Nicotine Gum | |
| New Year 2002 | 1.27 (1.18, 1.37) | 0.94 (0.89, 1.00) |
| State cigarette tax increasea | ||
| Week −1 | 1.08 (0.99, 1.18) | 1.00 (0.95, 1.05) |
| Week 0 | 1.27 (1.19, 1.35) | 1.07 (1.02, 1.13) |
| Week +1 | 1.17 (1.09, 1.25) | 1.11 (1.05, 1.17) |
| Week +2 | 1.06 (0.99, 1.15) | 1.11 (1.05, 1.17) |
| Week +3 | 1.06 (1.00, 1.13) | 1.05 (0.99, 1.11) |
| Week +4 | 1.09 (1.01, 1.17) | 1.11 (1.05, 1.18) |
| City cigarette tax increaseb | ||
| Week −1 | 0.99 (0.92, 1.07) | 1.00 (0.95, 1.06) |
| Week 0 | 1.50 (1.40, 1.61) | 1.10 (1.02, 1.18) |
| Week +1 | 1.30 (1.21, 1.39) | 1.08 (1.02, 1.14) |
| Week +2 | 1.28 (1.19, 1.38) | 1.09 (1.03, 1.15) |
| Week +3 | 1.23 (1.14, 1.32) | 1.04 (0.98, 1.11) |
| Week +4 | 1.16 (1.07, 1.27) | 1.01 (0.96, 1.07) |
| New Year 2003 | 1.24 (1.16, 1.33) | 0.89f (0.83, 0.94) |
| Smoke-Free Air Actc | ||
| Week −1 | 1.02 (0.95, 1.10) | 0.95 (0.90, 1.00) |
| Week 0 | 1.31 (1.18, 1.45) | 1.08 (1.01, 1.16) |
| Week +1 | 1.20 (1.09, 1.31) | 0.91f (0.84, 0.99) |
| Week +2 | 1.17 (1.05, 1.27) | 1.00 (0.93, 1.08) |
| Week +3 | 1.08 (0.97, 1.20) | 0.99 (0.93, 1.07) |
| Week +4 | 1.07 (0.98, 1.17) | 1.11 (1.04, 1.18) |
| Free patch programd | 0.85f (0.80, 0.91) | 1.00 (0.95, 1.04) |
| New Year 2004 | 1.18 (1.07, 1.30) | 0.76 (0.69, 0.83) |
Note. A week is considered Sunday through Saturday. Thus, week 0 (the week of the event) for New Year 2002 was December 30, 2001, through January 5, 2002; week 0 for the state tax increase was March 31 through April 6, 2002; and so forth.
aImplemented April 3, 2002.
bImplemented July 2, 2002.
cImplemented March 30, 2003; enforcement began on April 27, 2003, in week +4.
dApril 2, 2003, through May 14, 2003.