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Table 2 Comparison of the risk for C-HIVD between dentists and general population by conditional logistic regression

From: Risk for cervical herniated intervertebral disc in dentists: a nationwide population-based study

Variable Number (%) OR (95% CI) AOR (95% CI)a p-value†
Dentists (n = 10,930) 122 (1.1) 1.1 (0.9–1.5) 1.2 (0.9–1.6) 0.175
General population (n = 10,930) 107 (1.0) reference reference  
Sex subgroup
 Male
  Dentists (n = 8276) 94 (1.1) 1.1 (0.8–1.4) 1.1 (0.8–1.5) 0.385
  General population (n = 8276) 87 (1.1) reference reference  
 Female
  Dentists (n = 2654) 28 (1.1) 1.4 (0.8–2.5) 1.5 (0.8–2.6) 0.204
  General population (n = 2654) 20 (0.8) reference reference  
Age subgroup
  ≤ 34 years
  Dentists (n = 2943) 19 (0.7) 1.7 (0.8–3.6) 1.9 (0.9–4.1) 0.091
  General population (n = 2943) 11 (0.4) reference reference  
 35–59 years
  Dentists (n = 7092) 92 (1.3) 1.1 (0.8–1.5) 1.2 (0.9–1.6) 0.249
  General population (n = 7092) 81 (1.1) reference reference  
  ≥ 60 years
  Dentists (n = 895) 11 (1.2) 0.7 (0.3–1.6) 0.7 (0.3–1.5) 0.319
  General population (n = 895) 15 (1.7) reference reference  
  1. C-HIVD cervical herniated intervertebral disc, OR odds ratio, AOR adjusted odds ratio, CI confidence interval, HTN hypertension, DM diabetes mellitus, CAD coronary artery disease, COPD chronic obstructive pulmonary disease. aAdjusted for HTN, hyperlipidemia, liver disease, mental disorder, DM, CAD, COPD, malignancy, stroke, and renal disease. †For AOR