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Table 1 Baseline characteristics for cases (patients with preventable harm) and matched population controls

From: Patient-related factors associated with an increased risk of being a reported case of preventable harm in first-line health care: a case-control study

Variable

Casesa

Controlsb

Number of participants (n)

4536

44,949

Female (%)

57

57

Age, mean (SD)

49 (21)

49 (21)

Age, range (yrs.)

0–98

0–98

Cancer, n (%) b

236 (5.2)

1573 (3.5)

Cardiovascular disease, n (%) b

590 (13)

3326 (7.4)

Psychiatric diagnosis, n (%) b

430 (9.5)

2248 (5.0)

Preventable harm reported in primary care, n (%)

3292 (73)

Preventable harm reported in emergency care, n (%)

1244 (27)

Psychiatric diagnoses, excluding those related to alcohol and drugs, n (%)

313 (6.9)

1809 (4.0)

Psychiatric diagnoses, only those related to alcohol and drugs, n (%)

117 (2.6)

447 (1.0)

Disposable income

 Lowest quartile, n (%)

1024 (24)

10,507 (25)

 2nd quartile, n (%)

1213 (29)

10,320 (25)

 3rd quartile, n (%)

1076 (25)

10,444 (25)

 4th quartile, n (%)

921 (22)

10,605 (25)

Education level

 Elementary school or less (up to 9 years of school), n(%)

933 (22)

9547 (23)

 Secondary school (11 to 12 years of school), n (%)

1993 (48)

18,509 (45)

 Bachelor’s or master’s degree, n (%)

1235 (30)

12,621 (31)

 Post graduate education

19 (0.45)

381 (0.93)

 Foreign born vs born in Sweden, n (%)

624 (14)

7117 (16)

Parental country of birth

 Two Swedish-born parents

3403 (75)

33,847 (75)

 One foreign-born parent

314 (6.9)

2629 (5.8)

 Two foreign-born parents

189 (4.2)

1356 (3.0)

  1. a Mean values with standard deviation (SD) for continuous variables and n (%) for categorical variables. All cases were matched for age, sex and residential area
  2. b Cancer ICD-10 codes C01.9-C97.9, Cardiovascular disease ICD-10 codes I01.0-I99.9, Psychiatric disease F01.0-F99.9