Skip to main content
. 2009 Feb 11;169(6):756–760. doi: 10.1093/aje/kwn411

Table 3.

Distribution of Cases and Controls With Respect to Sports Participation and Smoking in a Case-Control Study of Herniated Lumbar Discsa

A = No sports B = Smoking Herniated Disc
Cases, no. Controls, no.
1 1 36 28
1 0 31 20
0 1 138 113
0 0 82 126
a

Data are from the study by Mundt et al. (19).