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. 2014 Apr;104(4):735–743. doi: 10.2105/AJPH.2013.301652

TABLE 2—

Associations Between Adherence to Dentist Recommendation to Remove Third Molars and Patient Demographic and Clinical Characteristics and Dental Practice Characteristics: Northwest Practice-based REsearch Collaborative in Evidence-based DENTistry, Pacific Northwest, 2009–2011

Adherence to Recommendation to Remove Third Molars
Characteristic Total No. % AOR (95%CI)
Gender
 Female 151 58 1.0 (Ref)
 Male 149 52 0.8 (0.4, 1.4)
Age, y
 16 73 60 1.0 (Ref)
 17 64 63 1.3 (0.7, 2.4)
 18 68 49 0.9 (0.3, 3.1)
 19 35 60 1.9 (0.3, 12.7)
 20 26 46 1.3 (0.3, 6.0)
 > 20 34 47 1.5 (0.3, 8.6)
Race
 White 273 56 1.0 (Ref)
 Other 23 57 1.2 (0.4, 3.9)
Dental insurance
 Medicaid 30 63 1.0 (Ref)
 None 12 67 1.4 (0.3, 7.4)
 Private 257 54 0.6 (0.2, 1.9)
School attendance
 Not in school 37 49 1.0 (Ref)
 Part-time college 13 23 0.2 (0.1, 1.1)
 High school 152 61 1.9 (0.5, 7.5)
 Full-time college 96 53 1.3 (0.5, 3.8)
Employed
 No 228 57 1.0 (Ref)
 Yes 70 50 0.9 (0.5, 1.7)
Dental cleanings/y
 ≥ 2 202 56 1.0 (Ref)
 1 67 57 1.2 (0.8, 1.8)
 < 1 30 43 0.9 (0.5, 2.0)
Orthodontic treatment everab
 No 104 44 1.0 (Ref)
 Yes 195 61 2.4 (1.2, 4.7)
Eruption statusb (worst in patient)
 Fully or partially erupted 22 36 1.0 (Ref)
 Soft tissue impaction 43 65 6.6 (1.7, 26.2)
 Partial bony impaction 118 57 3.6 (0.7, 17.2)
 Complete bony impaction 117 54 2.0 (0.4, 10.4)
Angulation (highest in patient)
 ≤ 35 degrees 118 59 1.0 (Ref)
 > 35 degrees 182 53 1.0 (0.6, 1.8)
Pain or discomfort around third molars
 No 248 54 1.0 (Ref)
 Yes 51 63 1.3 (0.7, 2.7)
Caries in second or third molars
 No 276 56 1.0 (Ref)
 Yes 24 50 0.6 (0.2, 1.8)
TMD signs/symptomsab
 None 194 56 1.0 (Ref)
 Jaw popping/clicking but no pain 42 36 0.5 (0.2, 1.0)
 Pain on opening or in temples, jaw joint, or jaw muscles 63 67 1.8 (1.0, 3.3)
Dentist philosophy on asymptomatic third molar management
 Recommend removal of most third molars for prevention 49 55 1.0 (Ref)
 Recommend removal if asymptomatic but poor eruption path or insufficient space 249 55 1.0 (0.4, 2.3)
 Recommend removal only if symptoms or pathology detected 2 50 2.1 (0.1, 38.8)
Dentist gender
 Male 277 55 1.0 (Ref)
 Female 23 57 1.0 (0.4, 2.3)
Dental practice sizeab
 > 1 dentist 65 37 1.0 (Ref)
 Solo 235 60 3.3 (1.7, 6.4)
Dentist experience, y
 ≤ 20 117 55 1.0 (Ref)
 > 20 183 56 1.1 (0.4, 2.9)
Dental practice patients/d
 ≤ 40 36 44 1.0 (Ref)
 41–60 264 57 1.4 (0.5, 3.8)
Practice settingb
 Urban 48 46 1.0 (Ref)
 Suburban 154 59 2.8 (1.2, 6.5)
 Rural 98 54 2.6 (1.0, 6.4)

Note. AOR = adjusted odds ratio; CI = confidence interval; GEE = generalized estimating equation; TMD = temporomandibular muscle disorder. Sample size was n = 300.

a

Significant at P < .05 in bivariate GEE logistic regression.

b

Significant at P < .05 in GEE logistic regression with adjustment for all other covariates in table.