Non-smokers: Estimated prevalence by current occupation, U.S. working adults aged 18 and over, 2004–2011
† Estimates with a relative standard error of greater than 50% are suppressed.
– Estimated confidence intervals not calculated because estimated number of workers in this occupation with this smoking status is zero.
a Estimates with a relative standard error of more than 30% but less than or equal to 50% are statistically unstable due to small sample size and should be used with caution as they do not meet the standards of reliability.
b There were no female extraction workers in the surveys from 2004 to 2011. Prevalence estimate and confidence interval are not calculated ("na" = not applicable).
Note: Numbers presented are average annual estimates for the period 2004–2011. Prevalence estimates are weighted and are not age-adjusted. Working adults were those who were employed in the week prior to the survey. Estimated populations represent current U.S. workers aged 18 years and over by occupation. Estimated totals do not add up due to rounding. See Appendix for information about data source and methods.
Source: National Center for Health Statistics National Health Interview Surveys 2004 to 2011.
Reference Number: 2013T17-06
Date Posted: October 2013
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