Table 1 General characteristics

Individual level

 Sex

0.5046

  Male

1,909

1,123 (64.1)

786 (62.4)

  Female

1,101

628 (35.9)

473 (37.6)

 Age

<0.001

   ≤ 39

432

256 (14.6)

176 (14.0)

  40–49

826

418 (23.9)

408 (32.4)

  50–59

1,154

682 (39.0)

472 (37.5)

   ≥ 60

598

395 (22.6)

203 (16.1)

 Education level

<0.001

  Below elementary school

1,352

745 (42.5)

607 (48.2)

  Middle/high school

1,472

877 (50.1)

595 (47.3)

  Above university

186

129 (7.4)

57 (4.5)

 Marital status

<0.001

  Married

1759

1,246 (71.2)

513 (40.7)

  Single

522

226 (12.9)

296 (23.5)

  Divorced or separated

729

279 (15.9)

450 (35.7)

 Severity of disability

<0.001

  Low

1,637

1,121 (64.0)

516 (41.0)

  High

1,373

630 (36.0)

743 (59.0)

 Self-rated health

<0.001

  Good

1,003

691 (39.5)

312 (24.8)

  Bad

2,007

1,060 (60.5)

947 (75.2)

 Chronic disease

<0.001

  Yes

1,566

835 (47.7)

731 (58.1)

  No

1,444

916 (52.3)

528 (41.9)

Household level

 Equalized income

<0.001

 Q1 (lowest income)

746

408 (23.3)

338 (26.8)

 Q2

757

279 (15.9)

478 (38.0)

 Q3

755

427 (24.4)

328 (26.1)

 Q4 (highest income)

752

637 (36.4)

115 (9.1)

 Disabled

<0.001

  1

2,474

1,543 (88.1)

931 (73.9)

   ≥ 2

536

208 (11.9)

328 (26.1)

 Employed

<0.001

  0

1,687

651 (37.2)

1,036 (82.3)

  1

1,323

1,100 (62.8)

223 (17.7)

 Senior citizen

<0.001

  0

2,504

1,413 (80.7)

1,091 (86.7)

   ≥ 1

506

338 (19.3)

168 (13.3)