Table 6 Association between daily B vitamins and glaucoma diagnosed by ISGEO criteria in males.

From: Association of dietary intake of B vitamins with glaucoma

 

Crude model

OR (95% CI)

P value

Model I

OR (95% CI)

P value

Model II

OR (95% CI)

P value

Vitamin B1

Continuous

0.71 (0.45, 1.13)

0.145

0.81 (0.49, 1.32)

0.399

0.68 (0.39, 1.20)

0.182

Q1

1.35 (0.54, 3.39)

0.525

1.42 (0.54, 3.74)

0.475

1.51 (0.55, 4.14)

0.419

Q2

Ref

 

Ref

 

Ref

 

Q3

0.60 (0.19, 1.89)

0.386

0.67 (0.22, 2.11)

0.497

0.58 (0.19, 1.81)

0.35

Q4

0.75 (0.29, 1.92)

0.547

1.00 (0.35, 2.80)

0.996

0.84 (0.29, 2.45)

0.75

p trend

 

0.11

 

0.247

 

0.193

Vitamin B2

Continuous

0.88 (0.65, 1.20)

0.433

0.99 (0.72, 1.35)

0.948

1.23 (0.82, 1.83)

0.318

Q1

Ref

 

Ref

 

Ref

 

Q2

1.29 (0.53, 3.10)

0.574

1.23 (0.53, 2.90)

0.628

1.27 (0.55, 2.95)

0.58

Q3

0.83 (0.30, 2.33)

0.727

0.85 (0.31, 2.33)

0.757

0.94 (0.26, 3.41)

0.924

Q4

0.72 (0.30, 1.72)

0.463

0.91 (0.37, 2.21)

0.828

1.13 (0.39, 3.30)

0.822

p trend

 

0.267

 

0.408

 

0.873

Niacin

Continuous

0.96 (0.93, 0.99)

0.016

0.98 (0.94, 1.01)

0.183

0.93 (0.86, 1.01)

0.085

Q1

Ref

 

Ref

 

Ref

 

Q2

0.57 (0.21, 1.53)

0.268

0.62 (0.24, 1.58)

0.317

0.53 (0.19, 1.51)

0.235

Q3

0.66 (0.28, 1.58)

0.353

0.81 (0.32, 2.00)

0.64

0.62 (0.21, 1.89)

0.405

Q4

0.35 (0.13, 0.98)

0.047

0.55 (0.20, 1.49)

0.237

0.36 (0.04, 2.94)

0.337

p trend

 

0.05

 

0.295

 

0.457

Vitamin B6

Continuous

0.89 (0.58, 1.36)

0.593

0.97 (0.62, 1.52)

0.893

0.84 (0.48, 1.47)

0.534

Q1

1.17 (0.45, 3.04)

0.748

1.11 (0.43, 2.86)

0.83

1.27 (0.45, 3.55)

0.651

Q2

Ref

 

Ref

 

Ref

 

Q3

0.27 (0.10, 0.72)

0.009

0.26 (0.09, 0.76)

0.014

0.21 (0.08, 0.60)

0.004

Q4

0.69 (0.26, 1.79)

0.44

0.76 (0.27, 2.18)

0.611

0.47 (0.14, 1.59)

0.225

p trend

 

0.111

 

0.216

 

0.036

Folic acid

Continuous

1.00 (1.00, 1.00)

0.254

1.00 (1.00, 1.00)

0.445

1.00 (1.00, 1.00)

0.324

Q1

0.88 (0.31, 2.47)

0.81

0.80 (0.28, 2.27)

0.68

0.84 (0.25, 2.81)

0.78

Q2

1.13 (0.44, 2.93)

0.796

1.04 (0.41, 2.63)

0.929

1.02 (0.40, 2.56)

0.969

Q3

Ref

 

Ref

 

Ref

 

Q4

0.68 (0.24, 1.94)

0.472

0.70 (0.23, 2.15)

0.537

0.66 (0.19, 2.26)

0.512

p trend

 

0.264

 

0.288

 

0.249

Vitamin B12

Continuous

0.98 (0.93, 1.04)

0.517

0.99 (0.94, 1.04)

0.588

0.99 (0.95, 1.04)

0.826

Q1

Ref

 

Ref

 

Ref

 

Q2

0.91 (0.34, 2.40)

0.848

0.94 (0.35, 2.49)

0.897

0.86 (0.30, 2.51)

0.787

Q3

0.49 (0.17, 1.41)

0.183

0.50 (0.17, 1.52)

0.224

0.46 (0.12, 1.72)

0.247

Q4

0.62 (0.23, 1.65)

0.337

0.65 (0.24, 1.80)

0.409

0.65 (0.17, 2.54)

0.534

p trend

 

0.227

 

0.213

 

0.282

  1. Model I adjusted for age, race and educational level. Model II adjusted for age, race, educational level, smoking, diabetes, cataract surgery, daily total energy, caffeine intake and interacted vitamin b.
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