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Table 2 Demographics obtained by questionnaires and Numeric Pain Rating Scale (NPRS)

From: Inter-examiner reproducibility of tests for lumbar motor control

Variable

People with LBP on day of examination (n = 25 (62.5% of total))

People without LBP on day of examination (n = 15 (37.5% of total))

Age in years (mean (SD)

47 (12)

45 (19)

Gender (n (Male/Female)

11/14

3/12

(% (Male/Female))

(44/56)

(20/80)

Previous episodes ever (n (% of group))

  

   None

2 (8)

9 (60)

   One

1 (4)

1 (7)

   Less than 5

4 (16)

2 (13)

   5 or more

18 (72)

2 (13)

   More than 10

 

1 (7)

Pain on day of examination * (n (% of group))

  

   No pain

 

15 (100)

   1-3

13 (52)

 

   >3

12 (48)

 

Back history in months (n (% of group))

  

   0-3

2 (8)

12 (80)

   4-7

2 (8)

2 (13)

   8-12

13 (52)

1 (7)

   13-16

8 (32)

 
  1. LBP = Low Back Pain.
  2. * Numeric Pain Rating Scale (NPRS range 0-10)