The relationship between spinal pain and temporomandibular joint disorders in Korea: a nationwide propensity score-matched study

Table 6 Covariates that Influence Prevalence of Spinal Pain in TMD Patients^a

	Model 1^b			Model 2^c			Model 3^d
	Odds	SE	Pr > \|t\|	Odds	SE	Pr > \|t\|	Odds	SE	Pr > \|t\|
Sex (Ref = Male)
Female	1.21	0.05	0.000	1.22	0.05	0.000	1.19	0.05	0.000
Age (ref = 20–29)
30–39	1.64	0.09	0.000	1.63	0.09	0.000	1.61	0.09	0.000
40–49	2.17	0.12	0.000	2.11	0.12	0.000	1.48	0.12	0.000
50–59	3.10	0.18	0.000	3.01	0.18	0.000	1.88	0.17	0.000
60–69	4.20	0.30	0.000	4.08	0.29	0.000	2.03	0.25	0.000
70 or older	6.30	0.52	0.000	5.94	0.49	0.000	2.64	0.37	0.000
Insurance type (ref = NHI)
Others^e				1.37	0.18	0.015	1.32	0.17	0.033
Region (ref = Seoul)
Capital area				1.03	0.06	0.627	1.04	0.06	0.467
Metropolitan				1.09	0.06	0.095	1.09	0.06	0.103
Rural areas				1.22	0.06	0.000	1.23	0.07	0.000
Medical institution type (ref = general hospital)
Hospital				1.52	0.14	0.000	1.53	0.15	0.000
Clinic				2.15	0.18	0.000	2.21	0.18	0.000
CCI (ref = 0)
2 or less							1.53	0.11	0.000
3–4							2.04	0.23	0.000
5 or more							2.58	0.38	0.000
TMD grade (ref = 1)^f
2							1.42	0.11	0.000
3							1.67	0.17	0.000
Surgery (ref = no)
Yes							0.83	0.10	0.139
Hospitalization (ref = no)
Yes							2.02	0.80	0.074
AUC			0.659			0.670			0.678

^aLogistic regression analysis of spinal pain
^bModel1: sex, age
^cModel2: Model1 + insurance type, region, medical institution type
^dModel3: Model2 + CCI, TMD grade, surgery, hospitalization
^eOthers: beneficiaries, veterans
^fTMD grade 1, Outpatient days due to TMD, fewer than 6; TMD grade 2, Outpatient days due to TMD, more than 6 and fewer than 12; TMD grade 3, Outpatient days due to TMD, more than 12 or use of hospitalization services
TMD Temporomandibular Disorder, NHI National Health Insurance, CCI Charlson Comorbidity Index, OR Odds Ratio, CI Confidence Interval, AUC Area Under the Curve

ISSN: 1471-2474