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Table 1 Patient characteristics at baseline for respondents included in the analysis 1 year after hip joint replacement surgery and those excluded after baseline response, mean (SD) unless otherwise stated.

From: Psychometric properties of the Brief Pain Inventory among patients with osteoarthritis undergoing total hip replacement surgery

 

Included

Excluded

p

N

203

47

 

Female sex, number (%)

143 (70)

35 (74)

0.58

Age, years

68.7 (9.9)

71.7 (8.4)

0.06

Marital status, number (%)

  

0.37

   Married

135 (67)

31 (66)

 

   Unmarried

11 (5)

0 (0)

 

   Separated/divorced

24 (12)

6 (13)

 

   Widowed

33 (16)

10 (21)

 

Employment, number (%)

  

0.07

   Retired

123 (61)

35 (76)

 

   Disability pension

25 (12)

4 (9)

 

   Sick leave

17 (8)

5 (11)

 

   Full or part time employed

38 (19)

2 (4)

 

Educational level, number (%)

  

0.19

   Primary school

49 (25)

17 (37)

 

   Secondary school

85 (42)

19 (41)

 

   University < 4 years

39 (19)

4 (9)

 

   University ≥4 years

28 (14)

6 (13)

 

Comorbidity, number (%)

(N = 168)

(N = 42)

 

   Cardiovascular

33 (20)

9 (21)

0.47

   Pulmonary

21 (13)

7 (17)

0.31

   Diabetes

5 (3)

3 (7)

0.20

   Cancer

21 (13)

6 (14)

0.46

   Skin diseases

21 (13)

2 (5)

0.12

   Gastrointestinal

26 (16)

5 (12)

0.38

   Psychiatric

18 (11)

3 (7)

0.36

   Other

28 (17)

5 (12)

0.31

Duration of pain prior to surgery, years

6.3 (6.7)1

6.5 (6.1) 2

0.82

Waiting time, days3

68.6 (54.3)

65.6 (58.8)4

0.75

  1. 1n = 181, 2n = 42, 3from baseline to surgery, 4n = 40