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Table 1 Baseline characteristics of the patient population (n = 104)

From: Predictors of Shoulder Pain and Disability Index (SPADI) and work status after 1 year in patients with subacromial shoulder pain

 

Frequency

Mean

 

(percent)

(SD)

Socio-demographic variables:

  

Age

 

48 (10.7)

Education:

  

   ≤ 12 years at school

60 (57.7%)

 

   University/College

44 (42.3%)

 

Work status:

  

   Working

57 (54.8%)

 

   Not working

41 (39.4%)

 

   Retired

6 (5.8%)

 

Variables from questionnaire:

  

Duration of pain:

  

   3-6 months

34 (32.7%)

 

   6-12 months

30 (28.8%)

 

   >12 months

40 (38.5%)

 

Medication:

  

   Daily or weekly

49 (47.1%)

 

   Not regularly

55 (52.3%)

 

Scorings:

  

   SPADI*

 

46.9 (21.3)

   Pain at rest (9-point)

 

3.5 (2.0)

   Health status (EQ-VAS)

 

67.7 (18.3)

   Prev shoulder pain (0,1)

64 (61.5%)

 

   Previous physiotherapy (0,1)

47 (45.2%)

 

   Distress (HSCL 25)

 

1.5 (0.47)

   Self-efficacy for pain 1(easy- impossible)

 

3.9 (1.3)

   Neck pain

48 (46.6%)

 

Occupational factors:

  

How often carry 10 kilos at work?

  

   seldom/never

50 (53.8%)

 

   sometimes

35 (37.6%)

 

   extremely/often

8 (8.6%)

 

How often work above shoulder level?

  

   seldom/never

36 (38.7%)

 

   sometimes

38 (40.9%)

 

   extremely/often

19 (20.4%)

 

Active range of motions affected side:

  

   Flexion aff side

 

157.6 (25.1)

   Hand- behind- back**

 

13 (median)

  1. Continuous variables: Mean values ± SD, Categorical variables: Frequency, median, %
  2. * The Shoulder Pain and Disability Index
  3. Self-efficacy for pain: A sumscore of 4 questions (mean)
  4. **The position of the thumb in reference to the pelvic (trochanter major = 1) and level of columna