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. Author manuscript; available in PMC: 2023 Apr 5.
Published in final edited form as: J Oral Facial Pain Headache. 2020;34(Suppl):s57–s72. doi: 10.11607/ofph.2582

Appendix 2.

Unadjusted, Unweighted Estimates According to Number of COPCs

No. of COPCs
0 1 2 3 4 5
Pain-free jaw opening 45.85 (0.52), 252 44.24 (0.67), 178 40.09 (0.91), 108 37.32 (1.41), 71 31.85 (1.81), 33 25.17 (3.02), 12
Maximum unassisted jaw opening 51.00 (0.47), 252 50.36 (0.55), 178 49.05 (0.73), 108 48.24 (1.06), 71 45.48 (1.46), 33 43.42 (3.73), 12
Maximum assisted jaw opening 53.43 (0.50), 251 53.12 (0.52), 178 52.38 (0.67), 108 52.13 (0.97), 71 48.61 (1.42), 33 50.33 (2.96), 12
MM pain: Motion 0.85 (0.08), 252 1.29 (0.12), 178 2.00 (0.15), 109 2.85 (0.24), 71 3.79 (0.37), 33 4.08 (0.69), 12
MM pain: Palpation 1.60 (0.14), 252 2.40 (0.20), 178 4.30 (0.26), 109 5.44 (0.28), 71 6.97 (0.24), 33 7.67 (0.22), 12
MM pain: Motion + palpation 2.13 (0.15), 252 2.94 (0.20), 178 4.65 (0.25), 109 5.92 (0.26), 71 7.09 (0.21), 33 7.75 (0.18), 12
MM familiar pain: Motion 0.17 (0.05), 252 0.57 (0.10), 178 1.59 (0.16), 109 2.54 (0.24), 71 3.58 (0.38), 33 4.00 (0.70), 12
MM familiar pain: Palpation 0.33 (0.06), 252 1.22 (0.15), 178 3.03 (0.27), 109 4.49 (0.32), 71 5.85 (0.40), 33 7.17 (0.37), 12
MM familiar pain: Motion + palpation 0.42 (0.07), 252 1.35 (0.16), 178 3.39 (0.27), 109 4.97 (0.31), 71 6.06 (0.38), 33 7.25 (0.33), 12
Neck pain: Palpation 3.41 (0.12), 252 3.82 (0.14), 178 4.49 (0.16), 109 4.76 (0.17), 71 5.45 (0.16), 33 5.75 (0.18), 12
Body pain: Palpation 3.06 (0.21), 252 3.56 (0.25), 178 5.74 (0.35), 109 5.97 (0.46), 71 7.85 (0.52), 33 9.67 (0.58), 12
Neck familiar pain: palpation 0.53 (0.08), 252 1.11 (0.13), 178 2.45 (0.22), 109 3.08 (0.28), 71 3.85 (0.33), 33 5.25 (0.30), 12
Body familiar pain: palpation 0.48 (0.08), 252 0.92 (0.12), 178 2.61 (0.30), 109 3.18 (0.43), 71 4.76 (0.59), 33 8.17 (0.89), 12
Nonspecific jaw symptoms 0.36 (0.06), 232 0.92 (0.10), 174 2.42 (0.18), 106 3.00 (0.25), 68 4.09 (0.33), 32 4.58 (0.38), 12
TMJ function by history 0.63 (0.07), 225 1.04 (0.11), 164 2.33 (0.18), 97 2.53 (0.23), 65 2.89 (0.36), 30 3.43 (0.54), 12
JFLS: Chewing 0.42 (0.07), 238 0.64 (0.09), 174 0.96 (0.13), 108 1.66 (0.21), 69 2.51 (0.30), 31 2.81 (0.53) n = 12
JFLS: Opening 0.31 (0.07), 238 0.43 (0.08), 174 0.86 (0.14), 108 1.94 (0.26), 69 2.23 (0.40), 31 3.38 (0.76), 12
JFLS: Expressiveness 0.22 (0.07), 238 0.15 (0.04), 174 0.26 (0.06), 108 0.59 (0.16), 69 1.10 (0.29), 31 1.80 (0.54), 12
JFLS: Global 0.32 (0.06), 238 0.40 (0.06), 174 0.70 (0.10), 108 1.39 (0.18), 69 1.95 (0.28), 31 2.66 (0.47), 12
TSK-TMD: Activity avoidance 8.92 (0.20), 246 9.57 (0.28), 175 11.50 (0.42), 109 11.93 (0.53), 70 14.97 (0.93), 32 14.92 (1.42), 12
TSK-TMD: Somatic focus 5.89 (0.13), 246 6.18 (0.18), 175 7.62 (0.31), 109 8.76 (0.45), 70 9.59 (0.64), 32 11.83 (1.05), 12
OBC: Total 17.97 (0.60), 238 22.00 (0.80), 177 27.34 (0.96), 108 30.79 (1.40), 70 33.09 (2.06), 32 34.95 (4.26), 12

Data are reported as mean (standard error), number of participants. MM = masticatory muscle; TSK-TMD = Tampa Scale for Kinesiophobia; OBC = Oral Behaviors Checklist.