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Smoked 100 cigarettes and currently smokes? Weighted Percent 'Yes' Age: 18-99+ Years Place of Residence: Iowa 95% Cell Confidence Intervals (CI Lo, CI Hi) |
| Year of Survey | % Yes | CI Lo | CI Hi | Yes |
|---|---|---|---|---|
| 2005 | 20.4 | 19.0 | 21.8 | 970 |
| 2006 | 21.4 | 20.0 | 22.9 | 1,057 |
| 2007 | 19.8 | 18.4 | 21.3 | 956 |
| Total | 20.6 | 19.7 | 21.4 | 2,983 |
Detailed Least-Squares Analysis, for Linear Trend:
| Column | 2005 Y-intercept | Slope | 95% CI (1 df, t=12.706150) |
|---|---|---|---|
| Total % Yes | 20.84 | -0.282 | -10.06 to +9.500 |
Y-intercept and slope may be used to draw least-squares line.
If confidence interval (CI) does not include 0, trend is significant (**).
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Links to Additional Output Formats:
· HTML Table · Line Chart · ASCII Text · dBASE III (Database) · CSV (Spreadsheet) Unique ID, for keeping track of analyses: X24FAXSW Compiled / run: Oct 24 2011 / Oct 24 2011 (1 second) (VitalWeb Standard) Data Scenario: United States State Level Adult BRFSS Excluded responses: Missing, not asked, don't know, and refused. _RFSMOKE: Have you smoked at least 100 cigarettes in your entire life? [Note: 5 packs = 100 cigarettes] Do you now smoke cigarettes every day, some days, or not at all? Cell Confidence Interval (CI) Method: Jackknife (800 Maximum Replicates) Behavioral Risk Factor Surveillance System (BRFSS) (www.cdc.gov/brfss) |