Table 3 A comparison of baseline characteristics of dry eye and non-dry eye patients based on PD conditions in univariate and multivariate models

 Women

(reference)

1.00

(reference)

 Men

(0.48–0.56)

0.60

(0.56–0.65)

< 0.001

  < 40

(reference)

1.00

(reference)

 40–49

(1.43–2.40)

1.38

(1.06–1.80)

< 0.001

 50–59

(2.78–4.51)

2.17

(1.70–2.78)

0.000

 60–69

(4.52–7.24)

2.97

(2.33–3.79)

0.001

 70–79

(8.70–13.9)

5.24

(4.10–6.72)

< 0.001

 ≧80

(9.01–14.3)

6.42

(4.98–8.27)

< 0.001

 Dementia

(1.35–1.63)

0.73

(0.65–0.82)

< 0.001

 Alcoholic psychoses

(0.28–0.56)

0.59

(0.42–0.83)

0.003

 Drug psychoses

(0.40–0.76)

0.85

(0.61–1.18)

0.332

 Schizophrenia

(0.58–0.81)

1.34

(1.11–1.62)

0.002

 Bipolar disorder

(1.60–2.08)

1.90

(1.65–2.19)

< 0.001

 Major depression

(1.43–1.65)

–

–

–

 Paranoid states

(0.78–1.20)

1.01

(0.81–1.27)

0.928

 Neurotic disorders

(2.36–3.05)

1.62

(1.42–1.85)

< 0.001

 Obsessive-compulsive disorders

(0.86–1.27)

–

–

–

 Minor depression

(1.50–1.73)

–

–

–

 Mild mental retardation

(0.18–0.47)

1.15

(0.69–1.93)

0.597

 Other specified mental retardation

(0.03–0.22)

0.25

(0.09–0.70)

0.008

 Unspecified mental retardation

(0.15–0.40

0.84

(0.49–1.43)

0.519

 None

(reference)

1.00

(reference)

 First generation

(1.87–2.27)

1.28

(1.15–1.41)

< 0.001

 Second generation

(0.44–0.94)

0.64

(0.44–0.95)

0.005

 Both

(1.42–1.81)

1.07

(0.92–1.23)

0.118