Table 2 The results of estimating the marginal effect of the probit model on the average of the independent variables

1

Sex

0.117083

0.1544032

0.76

0.448

2

Marital status

0.135994

0.0999217

1.36

0.174

3

Residence

-0.060219

0.1559867

-0.39

0.699

4

Health insurance status

-0.053834

0.152289

-0.35

0.724

5

Income status

0.2685904

0.0546545

4.91

0.000

6

History of cataract surgery

-0.006507

0.058754

-0.11

0.912

7

Employment status

farmer (1)

ref.

day-laborer (2)

0.096028

0.0811074

1.18

0.236

employee (3)

0.0293108

0.1490757

0.2

0.844

Unemployed / Retired (4)

0.1364857

0.1078986

1.26

0.206

8

Educational status

0.0852101

0.0536175

1.59

0.112

9

Family size

-0.019104

0.0099401

-1.92

0.05

10

Family Head

0.0032797

0.0689238

0.05

0.962

11

Familiarity with cataract

-0.000937

0.0513361

-0.02

0.985

12

Type of treatment center

0.0710008

0.0537204

1.32

0.186

13

Eye affected by cataract

right (1)

ref.

eye (2)

0.0195579

0.0532073

0.37

0.713

both (3)

0.0388302

0.0625346

0.62

0.535

14

Time spent with cataract

-0.057631

0.0652731

-0.88

0.377

15

Preoperative visual acuity

-0.003889

0.1256136

-0.03

0.975

16

Self-reported eye complications

0.0686282

0.0545727

1.26

0.209

17

Self-reported systemic eye disease

0.0327518

0.0468073

0.7

0.484