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Table 1 Characteristics of samples in the phases of content validity and reliability

From: Knee osteoarthritis pre-screening questionnaire (KOPS): cross-cultural adaptation and measurement properties of the brazilian version—KOPS Brazilian version

Variables

Content validity (n = 200)

Reliability (n = 50)

 

Mean (SD)

Mean (SD)

Age (years)

63 (11)

52 (10)

Body mass (kg)

74.10 (15.13)

72.09 (12.5)

Height (m)

1.59 (0.09)

1.63 (0.09)

BMI (Kg/m2)

29.38 (5.44)

27.11 (4.31)

 

n (%)

n (%)

Gender

  

  Female

181 (90.5)

33 (66.0)

  Male

19 (9.5)

17 (34.0)

Age group (years)

  

  ≤ 39

9 (4.5)

8 (16.0)

 40–49

21 (10.5)

12 (24.0)

 50–59

39 (19.5)

20 (40.0)

 60–69

65 (32.5)

7 (14.0)

 70–79

53 (26.5)

2 (4.0)

 80–89

11 (5.5)

1 (2.0)

 90–99

2 (1.0)

0 (0.0)

KL grade

  

 0

15 (7.5)

n. a.

 1

35 (17.5)

n. a.

 2

54 (27.0)

n. a.

 3

47 (23.5)

n. a.

 4

33 (16.5)

n. a.

Job Posture

  

 Standing position

114 (57.0)

19 (38.0)

 Sitting position

11 (5.5)

22 (44.0)

 Squatting position

50 (25.0)

0 (0.0)

Education level

  

 No answer

47 (23.5)

0 (0.0)

 Elementary school

47 (23.5)

4 (8.0)

 High school graduate

54 (27.0)

8 (16.0)

 Incomplete College

35 (17.5)

1 (2.0)

 College

17 (8.5)

20 (40.0)

  1. BMI: Body mass index; SD: Standard deviation; n. a.: not assessed.