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Table 6 Covariates that Influence Prevalence of Spinal Pain in TMD Patientsa

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

 Model 1bModel 2cModel 3d
OddsSEPr > |t|OddsSEPr > |t|OddsSEPr > |t|
Sex (Ref = Male)
 Female1.210.050.0001.220.050.0001.190.050.000
Age (ref = 20–29)
 30–391.640.090.0001.630.090.0001.610.090.000
 40–492.170.120.0002.110.120.0001.480.120.000
 50–593.100.180.0003.010.180.0001.880.170.000
 60–694.200.300.0004.080.290.0002.030.250.000
 70 or older6.300.520.0005.940.490.0002.640.370.000
Insurance type (ref = NHI)
 Otherse   1.370.180.0151.320.170.033
Region (ref = Seoul)
 Capital area   1.030.060.6271.040.060.467
 Metropolitan   1.090.060.0951.090.060.103
 Rural areas   1.220.060.0001.230.070.000
Medical institution type (ref = general hospital)
 Hospital   1.520.140.0001.530.150.000
 Clinic   2.150.180.0002.210.180.000
CCI (ref = 0)
 2 or less      1.530.110.000
 3–4      2.040.230.000
 5 or more      2.580.380.000
TMD grade (ref = 1)f
 2      1.420.110.000
 3      1.670.170.000
Surgery (ref = no)
 Yes      0.830.100.139
Hospitalization (ref = no)
 Yes      2.020.800.074
AUC  0.659  0.670  0.678
  1. aLogistic regression analysis of spinal pain
  2. bModel1: sex, age
  3. cModel2: Model1 + insurance type, region, medical institution type
  4. dModel3: Model2 + CCI, TMD grade, surgery, hospitalization
  5. eOthers: beneficiaries, veterans
  6. 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
  7. TMD Temporomandibular Disorder, NHI National Health Insurance, CCI Charlson Comorbidity Index, OR Odds Ratio, CI Confidence Interval, AUC Area Under the Curve