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. 2015 Sep 30;2015:842096. doi: 10.1155/2015/842096

Table 3.

Association of risk factors with bruxism.

Risk factors (N)	Outcome
Risk factors (N)	Bruxers	Nonbruxers	Mean ± SD	P value	OR^$; (min-max)
Khat (247)	222 (46.6%)	25 (5.25%)	1.10 ± 0.30	0.05^∗	1.629 (0.360–7.368)
Tobacco (230)	195 (40.96%)	35 (7.35%)	1.15 ± 0.35	0.67 (NS)	0.744 (0.249–2.221)
Coffee (404)	342 (71.84%)	62 (13.02%)	1.15 ± 0.36	0.40 (NS)	0.560 (0.253–1.237)
Stress (422)	405 (85.08%)	17 (3.57%)	1.04 ± 0.19	0.00^∗	5.902 (2.614–13.325)

^∗Significantly associated; NS: not significant; ^$95% CI: confidence interval.