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Table 1 Individual characteristics, number of depression cases by independent variable, and age-standardized rates (p/1000 population) for diagnosis of depression between 2006-2008 ( n= 4,607,990)

From: Statin use and risk of depression: a Swedish national cohort study

 

Population

% of total population

Number of cases

Rate

95% CI

Age

     

 40-49

1,238,099

26.9

5,607

4.53

4.38-4.62

 50-59

1,190,481

25.8

5,048

4.24

4.08-4.32

 60-69

1,033,816

22.4

3,886

3.76

3.68-3.92

 70+

1,145,594

24.9

5,751

5.02

4.87-5.13

Gender

     

 Male

2,220,494

48.19

8,317

3.75

3.67-3.83

 Female

2,387,496

51.81

11,975

4.99

4.90-5.08

Civil status

     

 Married/cohabitating

2,498,864

54.23

7,456

3.05

2.98-3.12

 Unmarried/widowed/divorced/single

2,109,126

45.77

12,836

6.09

5.98-6.20

Immigration

     

 Born in Sweden

3,968,191

86.12

17,298

4.36

4.30-4.42

 Born elsewhere

639,799

13.88

2,994

4.63

4.46-4.80

Education

     

 Compulsory school or less (≤ 9yrs)

1,244,872

27.02

6,384

5.03

4.91-5.15

 Practical high school or some theoretical high school (10-11yrs)

1,243,067

26.98

5,841

4.76

4.64-4.88

 Theoretical high school and/or college (≥ 12yrs)

2,120,051

46.01

8,067

3.93

3.84-4.02

Income

     

 Low income

1,018,845

22.11

5,161

5.08

4.94-5.22

 Middle low income

1,219,372

26.46

7,421

6.15

6.01-6.29

 Middle high income

1,151,642

24.99

4,589

3.99

3.87-4.11

 High income

1,218,131

26.44

3,121

2.79

2.69-2.89

Hospitalisation for COPD

     

 No

4,581,872

99.43

19,908

4.35

4.29-4.41

 Yes

26,118

0.57

384

19.86

17.87-21.85

Hospitalisation for alcohol dependence

     

 No

4,583,249

99.46

18,856

4.12

4.06-4.18

 Yes

24,741

0.54

1,436

54.34

51.53-57.15

Hospitalisation for CHD

     

 No

4,496,433

97.6

19,599

4.37

4.31-4.43

 Yes

111,557

2.4

693

7.02

6.50-7.54

Region

     

 Large cities

2,259,664

49.04

10,452

4.64

4.55-4.73

 Southern

1,579,534

34.28

6,617

4.19

4.09-4.29

 Northern

768,792

16.68

3,223

4.2

4.05-4.35

Statin prescriptions

     

 Any statin

804,832

17.47

3,313

4.59

4.43-4.75

 Simvastatin

665,932

14.45

2,707

4.45

4.28-4.62

 Pravastatin

27,244

0.59

103

5.21

4.20-6.22

 Fluvastatin

5,932

0.13

24

5.07

3.04-7.10

 Atorvastatin

95,231

2.07

429

5.49

4.97-6.01

 Rosuvastatin

10,493

0.23

50

5.11

3.69-6.53

  1. IR = age-standardized incidence rate; CI = confidence interval.
  2. COPD = chronic obstructive pulmonary disease.
  3. CHD = coronary heart disease.