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Table 4 Multivariable-adjusted odds ratios for the hearing loss across quintiles of dietary total antioxidant capacity stratified by gender and age

From: The association between dietary total antioxidant capacity and hearing loss: results from the Tehran employees Cohort Study

Models

Q1

(n = 686)

(≤ 8.2)

Q2

(n = 688)

(8.2–9.15)

Q3

(n = 687)

(9.15–10.15)

Q4

(n = 689)

(10.15–11.7)

Q5

(n = 688)

(≥ 11.7)

P-trend

OR

OR (%95 CI)

OR (%95 CI)

OR (%95 CI)

OR (%95 CI)

Whole Population

Crude

1

1 (0.8–1.2)

1.1 (0.8–1.4)

0.9 (0.7–1.1)

1 (0.8–1.3)

0.68

Multivariable adjusted model

1

0.97 (0.8–1.2)

1.06 (0.8–1.3)

0.8 (0.6–1.05

0.9 (0.7–1.2)

0.96

Men

< 40 years

Crude

1

1.81 (1.01–3.24)

1.27 (0.68–2.36)

1.5 (0.81–2.76)

0.82 (0.43–1.56)

0.01

Multivariable adjusted model

1

0.67 (0.38–1.21)

0.82 (0.47–1.44)

0.48 (0.26–0.86)

0.56 (0.31–1.02)

0.02

> 40 years

Crude

1

0.8 (0.51–1.27)

0.9 (0.57–1.41)

1.35 (0.85–2.16)

0.89 (0.57–1.39)

0.42

Multivariable adjusted model

1

1.2 (0.76–1.9)

1.7 (1.06–2.7)

1.1 (0.7–1.76)

1.28 (0.8–2.04)

0.43

Women

< 40 years

Crude

1

0.83 (0.51–1.34)

0.56 (0.34–0.95)

0.71 (0.43–1.16)

0.7 (0.42–1.18)

0.28

Multivariable adjusted model

1

0.68 (0.4–1.17)

0.86 (0.51–1.44)

0.86 (0.51–1.47)

1.24 (0.76–2.02)

0.24

> 40 years

Crude

1

1.02 (0.68–1.52)

1.36 (0.92–2.02)

1.17 (0.79–1.73)

0.95 (0.63–1.4)

0.34

Multivariable adjusted model

1

1.31 (0.87–1.98)

1.14 (0.76–1.72)

0.97 (0.64–1.47)

1.02 (0.67–1.53

0.53

  1. dTAC was adusted for energy intake by residual method
  2. Model I: adjusted for smoking status, physical activity, body mass index, family history of hearing loss, hypertension, diabetes, use of ototoxic medications and family history of ear related trauma, accident, or infection
  3. The P-value for trend across increasing quintiles of total antioxidant capacity was calculated using a multivariable logistic regression by considering the categories as ordinal variables
  4. The strata variable was not included in the model when stratifying by itself