Study | Endpoint | Time of Exposurea | Statistic | Exposed | Unexposedb | Summary of statistical testsc |
---|---|---|---|---|---|---|
Robertson 1997 [38] | Teeth present | ST use | Mean | - | - | No significant difference |
Tomar 1999 [40] | Teeth present | CT current | Mean | 23.89 | 24.29 | No significant differenced |
Tomar 1999 [40] | Teeth present | Snuff current | Mean | 22.99 | 24.29 | p < 0.005d |
Dietrich 2007 [25] | Tooth loss | CT ever | HR | - | - | HR 1.14 (1.04–1.24)e |
Greer 1983 [27] | Dental caries | ST use | % | 0.0 | - | "No evidence of dietary-associated caries" |
Poulson 1984 [28] | Dental caries | ST use | % | 0.0 | - | "Tobacco-associated dental caries ...was absent" |
Ernster 1990 [34] | Dental caries | ST use | % | - | - | No significant difference |
Sinusas 1992 [36] | Dental caries | ST use | % | 7.95 | 13.56 | OR 0.55 (0.19–1.51) |
Offenbacher 1985 [29] | Decayed, missing and filled teeth | ST use | Mean | 4.05 | 3.32 | 0.05 < p < 0.1f |
Robertson 1997 [38] | Decayed or filled teeth | ST use | Mean | - | - | Higher in users (significance unknown) |
Tomar 1999 [40] | Decayed or filled teeth | CT current | Mean | 7.99 | 6.97 | p < 0.05d |
Tomar 1999 [40] | Decayed or filled teeth | Snuff current | Mean | 6.11 | 6.97 | No significant differenced |
Tomar 1999 [40] | Decayed or filled coronal surfaces | CT current | Mean | 19.68 | 17.43 | No significant differenced |
Tomar 1999 [40] | Decayed or filled coronal surfaces | Snuff current | Mean | 15.58 | 17.43 | No significant differenced |
Tomar 1999 [40] | Decayed or filled root surfaces | CT current | Mean | 3.84 | 1.05 | p < 0.005d |
Tomar 1999 [40] | Decayed or filled root surfaces | Snuff current | Mean | 0.86 | 1.05 | No significant differenced |
Tomar 1999 [40] | Decayed or filled root surfaces | CT current | % | - | - | OR 4.18 (1.96–8.92)g |
Tomar 1999 [40] | Decayed or filled root surfaces | Snuff current | % | - | - | OR 0.67 (0.26–1.74)g |
Tomar 1999 [40] | Decayed root surfaces | CT current | Mean | 3.24 | 0.88 | p < 0.005d |
Tomar 1999 [40] | Decayed root surfaces | Snuff current | Mean | 0.81 | 0.88 | No significant difference |