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Table 3 Differences between the exercise training and control groups immediately following intervention and 26 weeks following intervention for exercise capacity, health-related quality of life and physical activity

From: Exercise training for asbestos-related and other dust-related respiratory diseases: a randomised controlled trial

Outcome

Week 8 minus week 0

ANCOVA

Week 26 minus week 0

ANCOVA

 

  Mean difference

p Value

  Mean difference

p Value

 

   (95% CI)

 

   (95% CI)

 

Exercise capacity

n = 34

 

n = 31

 

6MWD, m

53 (32, 74)

<0.001*

45 (17, 73)

0.003*

HRQoL

n = 34

 

n = 33

 

SGRQ Total

-7 (-13, -1)

0.033*

-4 (-12, 4)

0.293

SGRQ Symptoms

-15 (-27, -2)

0.021*

-4 (-18, 9)

0.530

SGRQ Activity

-5 (-13, 3)

0.209

-4 (-15, 8)

0.505

SGRQ Impacts

-5 (-12, 2)

0.183

-4 (-12, 5)

0.383

CRQ Total

6.4 (2.1, 10.7)

0.005*

13.1 (5.2 to 20.9)

0.002*

CRQ Dyspnoea

2.2 (0.6, 3.7)

0.007*

3.4 (1.5, 5.4)

0.001*

CRQ Fatigue

1.3 (-0.02, 2.6)

0.053

2.9 (0.6, 5.2)

0.015*

CRQ Emotional Function

2.4 (0.7, 4.2)

0.008*

5.5 (2.0, 8.9)

0.003*

CRQ Mastery

1.4 (0.1, 2.7)

0.036*

2.7 (1.0, 4.3)

0.002*

Physical activity

n = 31

 

n = 30

 

Average daily steps

1514 (15, 3012)

0.048*

1206 (-156, 2568)

0.08

Average daily EE, cal

86 (-57, 230)

0.227

158 (-8, 323)

0.062

Average daily METs

0.08 (0.01, 0.15)

0.038*

0.11 (0.03, 0.20)

0.012*

  1. CI = confidence interval; ANCOVA = analysis of covariance; n = number; 6MWD = six-minute walk distance; m = metre; HRQoL = health-related quality of life; SGRQ = St George’s Respiratory Questionnaire; CRQ = Chronic Respiratory Disease Questionnaire; EE = energy expenditure; cal = calorie; MET = metabolic equivalent.
  2. *p <0.05.