Table 2 Distribution of demographic characteristics among the eligible study population by the status of participation

Marital status

 Married

3166

(60.3)

2533

(54.5)

5699

(57.6)

 Single

1000

(19.1)

1135

(24.4)

2135

(21.6)

 Divorced

975

(18.6)

877

(18.9)

1852

(18.7)

 Widow

77

(1.5)

66

(1.4)

143

(1.5)

 NA

30

(0.6)

35

(0.8)

65

(0.7)

Education

 Tertiary

2663

(50.7)

2031

(43.7)

4694

(47.4)

 Secondary

2176

(41.5)

1958

(42.1)

4134

(41.8)

 Primary

409

(7.8)

657

(14.1)

1066

(10.8)

Region

 HYKS

1853

(35.3)

1727

(37.2)

3580

(36.2)

 KYS

775

(14.8)

701

(15.1)

1476

(14.9)

 OYS

704

(13.4)

569

(12.3)

1273

(12.9)

 TAYS

1202

(22.9)

1037

(22.3)

2239

(22.6)

 TYKS

689

(13.1)

578

(12.4)

1267

(12.8)

 Åland

25

(0.6)

34

(0.7)

59

(0.6)

Birth cohort

 1963

2596

(49.5)

2343

(50.4)

4939

(49.9)

 1964

2652

(50.5)

2303

(49.6)

4955

(50.1)

Primary language

 Finnish

4789

(91.3)

4144

(89.2)

8933

(90.3)

 Swedish

251

(4.8)

215

(4.6)

466

(4.7)

 Other

208

(4.0)

287

(6.2)

495

(5.0)

All

5248

(100.0)

4646

(100.0)

9894

(100.0)