Table 1.
Online Cessation Information Seeking, 2005–2017: Point Estimates and 95% Confidence Intervals from Health Information National Trends Survey
| 2005 | 2011 | 2013 | 2015 | 2017 | |
|---|---|---|---|---|---|
| Unweighted survey sample size | n = 5586 | n = 3959 | n = 3185 | n = 3738 | n = 1736 |
| Estimated number of smokers (millions) that searched online for cessation information | 7.88 | 8.73 | 11.46 | 8.25 | 12.43 |
| Percentage of all US adult smokersa | |||||
| that searched online for cessation information | 16.5% [13.2, 20.4] |
20.9% [15.5, 27.5] |
25.6% [19.7, 32.6] |
23.4% [16.9, 31.5] |
35.9% [24.8, 48.9] |
| Percentage of online US adult smokers | |||||
| that searched online for cessation information | 29.4% [23.8, 35.7] |
32.3% [24.6, 41.0] |
32.7% [25.3, 41.2] |
29.4% [21.1, 39.3] |
43.7% [29.7, 58.7] |
aValues for the key item (“Did you search online for cessation information?”) were imputed as “no” for smokers who responded that they never used the Internet.