Table 1 Sociodemographic characteristics of the lidA sample per assessment and in the final study sample

Cohort

1959

2,908

(44.2)

1,922

(45.3)

1,624

(45.4)

1,353

(45.8)

1965

3,677

(55.8)

2,322

(54.7)

1,956

(54.6)

1,599

(54.2)

Sex

male

3,063

(46.5)

1,915

(45.1)

1,610

(45.0)

1,328

(45.0)

female

3,522

(53.5)

2,329

(54.9)

1,970

(55.0)

1,624

(55.0)

Educational level

low

1,709

(26.2)

952

(22.6)

777

(21.9)

608

(20.7)

medium

3,499

(53.6)

2,358

(56.0)

2,001

(56.3)

1,671

(56.9)

high

1,319

(20.2)

904

(21.5)

778

(21.9)

657

(22.4)

Employment status

employed

6,278

(95.3)

3,976

(93.7)

3,251

(91.5)

2,809

(95.2)

not employed

307

(4.7)

268

(6.3)

303

(8.5)

143

(4.8)