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Table 2 Changes within groups (Intention-to-treat)

From: Implementation of specific strength training among industrial laboratory technicians: long-term effects on back, neck and upper extremity pain

 

Group

Time

Differences of least squares means (SE)

P

Neck

0

1

2

0.31(0.12)

0.008

0

1

3

0.70(0.13)

<0.001

0

2

3

0.38(0.13)

0.004

1

1

2

0.92(0.12)

<0.001

1

1

3

0.85(0.13)

<0.001

1

2

3

-0.06(0.14)

0.633

Right shoulder

0

1

2

0.49(0.12)

<0.001

0

1

3

0.92(0.13)

<0.001

0

2

3

0.43(0.14)

0.002

1

1

2

0.90(0.12)

<0.001

1

1

3

0.79(0.13)

<0.001

1

2

3

-0.11(0.14)

0.441

Right hand

0

1

2

0.18(0.10)

0.076

0

1

3

0.36(0.11)

0.002

0

2

3

0.18(0.12)

0.123

1

1

2

0.53(0.10)

<0.001

1

1

3

0.62(0.11)

<0.001

1

2

3

0.08(0.12)

0.480

Low back

0

1

2

-0.04(0.12)

0.717

0

1

3

0.42(0.14)

0.002

0

2

3

0.46(0.14)

<0.001

1

1

2

0.38(0.12)

0.002

1

1

3

0.48(0.13)

<0.001

1

2

3

0.11(0.14)

0.452

Dash

0

1

2

5.19(0.95)

<0.001

0

1

3

7.70(1.06)

<0.001

0

2

3

2.51(1.08)

0.021

1

1

2

9.96(0.97)

<0.001

1

1

3

9.70(1.03)

<0.001

1

2

3

-0.26(1.10)

0.812

  1. Time wise Changes within groups (0 = second intervention group, 1 = first intervention group ) for Pain and disability index (DASH) and pain intensity (0–9 scale) the last 7 days in the Neck and Right Shoulder, Right Hand and Low Back (Time: 1 = baseline, 2 = 20 weeks follow-up and 3 = one-year follow up). P-value for post hoc t-tests.