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Table 2 Relationship between DMFT index and chronic and episodic primary headache

From: Association between DMFT and primary headaches: a study based on the Rafsanjan cohort study

 

Crude model

OR (95%Ci)

Adjusted model 1

OR (95%Ci)a

Adjusted model 2

OR (95%Ci)b

EPH

DMFT

0.99 (0.99-1.00)

1.00 (1.00-1.01)

1.00(0.99–1.01)

Decayed teeth

0.99 (0.98-1.00)

0.98 (0.97-1.00)

0.98(0.96-1.00)

Missing teeth

0.99 (0.99-1.00)

1.00 (1.00-1.01)

1.00(0.99–1.01)

Filled teeth total

1.03 (1.02–1.04) *

1.02 (1.01–1.03) *

1.02(1.01–1.03) *

No Filled teeth

1

1

1

Filled teeth = 1–2

1.12(0.97–1.29)

0.96(0.83–1.12)

0.97(0.83–1.13)

Filled teeth = 3–5

1.07(0.93–1.24)

0.96(0.82–1.13)

0.98(0.83–1.15)

Filled teeth > 5

1.30(1.16–1.46) *

1.17(1.02–1.34) *

1.18(1.02–1.36) *

CPH

DMFT

1.01 (1.00-1.02)

1.01 (0.99–1.02)

1.01(0.99–1.02)

Decayed teeth

0.98 (0.96–1.01)

0.98 (0.96–1.01)

0.99(0.96–1.02)

Missing teeth

1.00 (1.00-1.02)

1.00 (1.00-1.02)

1.00(0.99–1.02)

Filled teeth total

0.99 (0.97–1.01)

0.99 (0.97–1.02)

1.00(0.98–1.02)

No Filled teeth

1

1

1

Filled teeth = 1–2

0.96(0.76–1.23)

0.93(0.72–1.19)

0.95(0.73–1.23)

Filled teeth = 3–5

0.80(0.61–1.04)

0.82(0.62–1.08)

0.85(0.64–1.13)

Filled teeth > 5

0.85(0.69–1.04)

0.89(0.70–1.13)

0.92(0.72–1.17)

  1. The crude model is stratified on the status of DMFT.
  2. The adjusted model 1 is adjusted for confounding variables age (continuous variable), gender (male/female), education years (continuous variable), and Wealth score index (continuous variable).
  3. The adjusted model 2 has additional adjustments for confounding including diabetes (yes/no), hypertension (yes/no), Family history of headache (yes/no), smoking (yes/no), opium consumption (yes/no), Alcohol consumption (yes/no) and Teeth brushing (yes/no).
  4. Abbreviations: Decayed, Missing, and Filled teeth (DMFT); Chronic primary headache (CPH); Episodic primary headache (EPH).
  5. * Significant odds ratios