. 2016 Apr 5;17:30. doi: 10.1186/s10194-016-0622-0

Table 2.

Associations between TMD and internalizing problems, externalizing problems, social, thought and attention problems. Regression coefficients are presented with 95 % confidence intervals retrieved from quantile regression analysis

	Syndromes	Non-TMD	TMD-painfree	TMD-pain
Internalizing problems	Anxious/Depressed
	Unadjusted Coeff.	ref	−2	4^a
	95 % CI		(−8.2)–4.2	1.2–6.6
	Adjusted Coeff.	ref	−4	2
	95 % CI		(−8.2)–0.2	(−1)–5
	Withdrawn/Depressed
	Unadjusted Coeff.	ref	−1	3^a
	95 % CI		(−4.5)–2.5	1.1–5
	Adjusted Coeff.	ref	−1	3^a
	95 % CI		(−4.4)–2.4	0.7–5.2
	Somatic Complaints
	Unadjusted Coeff.	ref	−1	5^a
	95 % CI		(−4.1)–2.1	0.9–9.1
	Adjusted Coeff.	ref	−1	5^a
	95 % CI		(−4.4)–2.4	1.7–8.3
	Social Problems
	Unadjusted Coeff.	ref	−3	4^a
	95 % CI		(−6.4)–0.4	(−1.9)–6.1
	Adjusted Coeff.	ref	−3	3^a
	95 % CI		(−6.6)–0.6	0.7–5.3
	Thought Problems
	Unadjusted Coeff.	ref	1	3^a
	95 % CI		(−1.7)–3.7	1.3–4.7
	Adjusted Coeff.	ref	0	1
	95 % CI		(−2.2)–2.2	(−0.7)–2.7
	Attention Problem
	Unadjusted Coeff.	ref	−1	2
	95 % CI		(−4.2)–2.2	(−0.8)–4.8
	Adjusted Coeff.	ref	−0.5	1.5
	95 % CI		(−3.7)–2.7	(−0.6)–3.6
Externalizing problems	Rule-Breaking Behavior
	Unadjusted Coeff.	ref	−1	0
	95 % CI		(−2.8)–0.8	(−1.5)–1.5
	Adjusted Coeff.	ref	−1	0
	95 % CI		(−2.8)–0.8	(−1.3)–1.3
	Aggressive Behavior
	Unadjusted Coeff.	ref	1	3^a
	95 % CI		(−2.6)–4.6	0.2–5.8
	Adjusted Coeff.	ref	0	2
	95 % CI		(−2.9)–2.9	(−0.2)–4.2

^a = significant difference between TMD-pain group and TMD-painfree (p < 0.05)

Both unadjusted analysis and adjusted for age, sex, ethnic origin and parental income are presented