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Table 2 Physical and psychological outcomes: multilevel models for standard provision (S-P) and SDT provision (SDT-P)

From: Effects of a standard provision versus an autonomy supportive exercise referral programme on physical activity, quality of life and well-being indicators: a cluster randomised controlled trial

 

Mean S-P at 6 months

Mean difference S-P and SDT-P at 6 months

P value for mean difference

Slope from baseline to 6 months in the SP group

Difference in the slope between S-P and SDT-P

P value for slope difference

ICC

Minutes of physical activity/week (ln)1

4.35

-.03

.93

.49**

-.09

.50

0.06

Minutes of physical activity minus walking/week (ln)1

2.95

.22

.50

.29**

.01

.95

0.09

Vitality2

3.79

.23

.17

.14**

.01

.87

0

HADS anxiety score3

8.79

1.00

.03

-.22*

.01

.47

0

HADS depression score3

6.53

-.56

.22

-.37**

.13

.34

0

Dartmouth quality of life domains4

       

Physical fitness

2.88

.08

.51

.08*

-.06

.24

0

Emotional problems

3.20

-.06

.64

.10**

-.13

.004

0

Daily activity

3.42

.08

.48

.10**

-.08

.08

0

Change in health

3.21

.09

.27

.03

-.03

.64

0.02

Overall health

2.53

.14

.15

.10**

-.06

.15

0.01

Quality of life

3.17

0.07

.40

.06*

-.01

.08

0

Systolic blood pressure (mmHg)

127.39

1.74

.40

-

-

-

0

Diastolic blood pressure (mmHg)

79.72

0.98

.35

-

-

-

0.01

Weight (kg)

89.36

1.56

.40

   

0

  1. 1Activity of at least moderate intensity.
  2. 2Positive score associated with improved vitality.
  3. 3Positive score associated with greater psychological morbidity.
  4. 4Positive score associated with improved quality of life.
  5. Ln: natural log.
  6. *p < .05 **p < .01; Indicate whether the change in the slope from baseline to 6 months in the SP group was significantly different from zero.