Sociodemographic and clinical characteristics

Univariate Logistic Regression OR, (95% CI), p

Multivariate Logistic Regression

OR, (95% CI), p

Age

>60

<60

1

1.657 (0.835 - 3.288) p = 0.149

1

0.590 (0.185 - 1.879) p = 0.372

Sex

Male

female

1

2.256 (1.136 - 4.480) p = 0.020*

1

2.379 (0.975 - 5.805) p = 0.057

Education

Tertiary

Nil

Primary

Secondary

1

0.599 (0.221 - 1.621) p = 0.313

0.365 (0.144 - 0.927) p = 0.034*

0.479 (0.174 - 1.316) p = 0.153

1

0.262 (0.064 - 1.074) p = 0.063

0.301 (0.081 - 1.123) p = 0.074

0.240 (0.065 - 0.890) p = 0.033*

Employment

Others (unemployed/retired and students)

Employed/self employed

1

2.686 (1.205 - 5.988) p = 0.016*

1

6.404 (2.051 - 19.994) p = 0.001*

Marital status

Married

Single

Widowed

Separated/divorced

1

3.733 (0.505 - 27.612) p = 0.197

0.688 (0.279 - 1.694) p = 0.416

7.467 (1.305 - 42.734) p = 0.024*

1

10.353 (0.835 - 128.419) p = 0.069

0.400 (0.137 - 1.164) p = 0.093

10.335 (1.363 - 78.354) p = 0.024*

Visual status

Normal

Mild

Moderate

Severe

blind

1

0.859 (0.398 - 1.8530 p = 0.698

0.332 (0.104 - 1.062) p = 0.063

1.368 (0.231 - 8.089) p = 0.729

0.391 (0.081 - 1.883) p = 0.242

1

1.288 (0.379 - 4.384) p = 0.685

0.480 (0.105 - 2.193) p = 0.343

6.171 (0.709 - 53.715) p = 0.099

0.465 (0.065 - 3.347) p = 0.447