Table 5

Adjusted odds ratio (OR) and 95% confidence interval (CI) tooth loss by lifetime exposure to smoking


Lifetime exposure*
Prevalence of 1 + tooth loss (%)
Adjusted OR(95%CI)
P value

Males
0
21.8 (37/170)
1.00 (Reference)


1–199
26.9 (29/108)
1.34 (0.76–2.36)
0.3134

200–399
42.7 (41/96)
2.75 (1.57–4.83)
0.0004

400+
58.5 (31/53)
5.17 (2.59–10.3)
<0.0001



P for trend


<0.0001

Females
0
29.4 (199/677)
1.00 (Reference)


1–199
36.2 (38/105)
1.31 (0.84–2.06)
0.2379

200+
70.4 (19/27)
5.34 (2.24–12.7)
0.0002



P for trend


0.0004

*Brinkman Index

Adjusting for frequency of brushing, body mass index, alcohol consumption, intake of Vitamin C and E

Ojima et al. BMC Public Health 2007 7:313   doi:10.1186/1471-2458-7-313