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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.