Table 5 Factors Associated with Presenting, and Best-corrected Bilateral Visual Impairment (VI) or Blindness (United States Definition).

From: Trends of Visual Impairment and Blindness in the Singapore Chinese Population over a Decade

 

Presenting Bilateral VI or Blindness as outcome (N = 717)

Best-corrected Bilateral VI or Blindness as outcome (N = 158)

Odds Ratio (95% CI)

P value

Odds Ratio (95% CI)

P value

Age (per decade)

2.00 (1.76–2.27)

<0.001

3.66 (2.77–4.83)

<0.001

Female

1.31 (1.04–1.67)

0.025

1.34 (0.82–2.19)

0.237

Medical Conditions

Hypertension

0.92 (0.73–1.16)

0.490

0.98 (0.56–1.73)

0.956

Diabetes Mellitus

0.99 (0.78–1.26)

0.941

1.59 (1.04–2.44)

0.033

Cardiovascular Disease

1.10 (0.77–1.57)

0.598

1.27 (0.72–2.23)

0.407

Chronic Kidney Disease

1.26 (0.90–1.75)

0.174

1.19 (0.72–1.97)

0.497

BMI category

Normal BMI

Reference

 

Reference

 

Underweight

1.19 (0.80–1.76)

0.395

1.08 (0.53–2.22)

0.825

Overweight

0.89 (0.71–1.12)

0.336

0.87 (0.67–1.12)

0.078

Obese

0.83 (0.53–1.30)

0.418

0.92 (0.38–2.19)

0.872

Smoking category

Never-smoked

Reference

 

Reference

 

Current

1.33 (0.96–1.92)

0.082

1.47 (0.77–2.78)

0.243

Past

1.19 (0.88–1.63)

0.264

1.25 (0.71–2.23)

0.439

Alcohol Consumption

0.93 (0.66–1.32)

0.696

1.35 (0.67–2.72)

0.408

Housing type

 ≥5 room public housing flat

Reference

 

Reference

 

3–4 room public housing flat

1.50 (1.21–1.87)

 <0.001

1.23 (0.78–1.96)

0.373

1–2 room public housing flat

2.58 (1.48–4.49)

0.001

2.00 (0.83–4.80)

0.123

Monthly Income category

 ≥S$2000

Reference

 

Reference

 

 <S$2000

1.64 (1.23–2.19)

0.001

2.73 (0.95–7.86)

0.063

Education category

Formal education

Reference

 

Reference

 

No formal education

1.66 (1.32–2.08)

<0.001

1.72 (1.12–2.66)

0.014

  1. CI = Confidence Interval; BMI = Body mass index; S$ = Singapore Dollars.