Table 6 Multivariate linear regression models of the relationship between vision-related quality of life (composite score of NEI-VFQ-25) and predictors

Intercept

112.38

98.51 ~ 126.25

< 0.001

120.77

113.97 ~ 127.56

< 0.001

Sex (male)

−0.68

−2.95 ~ 1.60

0.560

–

–

–

Age (50–60 yrs)

−3.01

−5.59 ~ −0.42

0.023

−2.81

−5.19 ~ −0.43

0.021

Village (neighborhood of healthcare facility)

−3.17

−5.05 ~ −1.29

0.001

−2.99

−4.85 ~ −1.13

0.002

Years of residence (< 40)

1.22

−1.09 ~ 3.53

0.300

–

–

–

Education (≤ junior high school)

0.42

−2.15 ~ 2.98

0.748

–

–

–

Religion (non-Buddist or Taoist)

2.83

−0.42 ~ 6.07

0.088

–

–

–

Marital status (married or cohabiting)

−2.45

−4.88 ~ −0.02

0.048

−2.56

−4.94 ~ −0.18

0.035

Occupation (working group)

−5.24

−7.57 ~ −2.90

< 0.001

−5.81

−8.02 ~ −3.59

< 0.001

Annual household income (≤ NTD 500,000)

−2.46

−4.50 ~ −0.43

0.017

−2.50

−4.44 ~ −0.56

0.012

Commercial insurance (yes)

−2.84

−5.03 ~ −0.65

0.011

−2.82

−4.94 ~ −0.70

0.009

Comorbid condition (< 2 diseases)

−4.66

−6.96 ~ −2.35

< 0.001

−4.78

−7.04 ~ −2.51

< 0.001

Alcohol (no)

0.51

−1.60 ~ 2.62

0.634

–

–

–

Tobacco (no)

–1.36

−4.16 ~ 1.45

0.343

–

–

–

Daily sun exposure time (< 3 hours)

1.67

–0.58 ~ 3.92

0.146

–

–

–

Cataract (no)

−4.90

−6.97 ~ −2.82

< 0.001

−5.04

−7.08 ~ −3.01

< 0.001

Glaucoma (no)

−3.24

−6.52 ~ 0.03

0.052

−3.32

−6.58 ~ −0.07

0.046