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Table 1 Sociodemographic and screening characteristics of study sample (n = 11,409), Malmö, Sweden (1992–2009)

From: Psychosocial factors and attendance at a population-based mammography screening program in a cohort of Swedish women

Sociodemographic variables

N (%)

Mean age at baseline (SD)

54.9 (6.7)

Mean age at 1st subsequent screening invitation (SD)

56.7 (6.4)

Age group at baseline (years)

 

  44–49

3,442 (30.2)

  50–54

2,470 (21.6)

  55–59

2,086 (18.3)

  60–64

2,155 (18.9)

  65–72

1,256 (11.0)

Education level

 

  High school or higher

3,717 (32.7)

  Less than high school

7,665 (67.3)

  Missing

27

Occupation (present or latest job)

 

  Self-employed/employer/farmer

885 (7.8)

  Higher non-manual

741 (6.6)

  Middle non-manual

2,049 (18.1)

  Lower non-manual

3,489 (30.9)

  Skilled manual

803 (7.1)

  Unskilled manual

3,341 (29.5)

  Missing

101

Employment status

 

  Employed

7,695 (67.6)

  Not employed

3,681 (32.4)

  Missing

33

Country of birth

 

  Sweden

10,066 (88.3)

  Other

1,336 (11.7)

  Missing

7

Invited to screening program before baseline

 

  Yes

8,459 (74.1)

  No

2,950 (25.9)

Number of screening invitations after baseline

 

  1

793 (7.0)

  2

602 (5.3)

  3

568 (5.0)

  4

808 (7.1)

  5

1,271 (11.1)

  6

1,626 (14.3)

  7

1,896 (16.6)

  8

1,921 (16.8)

  9

1,247 (10.9)

  10

609 (5.3)

  11

67 (0.6)

  12

1 (0.0)