Grades | Reported 30 day smoking prevalence | Change in smoking prevalence 1993-1995 | Reported 30 day smoking prevalence 1997 | Change in smoking prevalence 1995-1997 | Reported 30 day smoking prevalence 1999 | Change in smoking prevalence 1997-1999 | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1993 | 1995 | Change in % | Relative risk | 95% CI for relative risk | Change in % | Relative risk | 95% CI for relative risk | Change in % | Relative risk | 95% CI for relative risk | |||||||||||||||
Massachusetts | 10th | 25.2 | 34.8 | +9.63-150 | 1.383-150 | 1.20 to 1.60 | 35.8 | +1.0 | 1.03 | 0.91 to 1.16 | 29.2 | −6.63-150 | 0.823-150 | 0.72 to 0.92 | |||||||||||
Northeast region3-151 | 10th | 27.1 | 27.8 | +.7 | 1.03 | 0.88 to 1.20 | 29.3 | +1.5 | 1.05 | 0.91 to 1.22 | 28.0 | −1.3 | 0.96 | 0.82 to 1.11 | |||||||||||
Massachusetts | 12th | 35.9 | 39.1 | +3.2 | 1.09 | 0.97 to 1.23 | 40.2 | +1.1 | 1.03 | 0.92 to 1.14 | 36.9 | −3.3 | 0.92 | 0.82 to 1.02 | |||||||||||
Northeast region | 12th | 34.2 | 34.4 | +.2 | 1.01 | 0.87 to 1.16 | 40.6 | +6.23-150 | 1.183-150 | 1.04 to 1.34 | 34.2 | −6.43-150 | 0.843-150 | 0.74 to 0.96 |
Source: Massachusetts youth risk behavior survey (MYRBS), a school based survey developed in conjunction with CDC. Monitoring the Future data are provided for regional comparison.65,72
↵3-150 p ⩽ 0.05
↵3-151 Census data indicates that Massachusetts represents roughly 11% of the northeast region population.