Table 3. Modifying effect of sex on the association between tooth brushing, sugar consumption, plaque accumulation, and suicidal ideation/attempt [N = 1472].

Association between suicidal ideation/attempt and:	Male	Female	P for interaction
Brushing at least once daily a: OR (95% CI)	0.45 (0.19, 1.05)	0.56 (0.22, 1.47)	0.72
Eating refined carbohydrates in-between-meals daily a: OR (95% CI)	0.96 (0.35, 2.61)	4.85 (2.23, 10.55)	0.01
Plaque index b: B (95% CI)	-0.10 (-0.29, 0.09)	-0.24 (-0.44, -0.04)	0.23

a: Controlling for age and affording three meals a day.

b: Controlling for age, affording three meals a day, brushing at least once daily, and eating refined carbohydrates between meals daily.