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Table 2 Mean (SD) values and repeated measures ANCOVAs of objective walking behaviour and TPB variables

From: Theory of planned behaviour variables and objective walking behaviour do not show seasonal variation in a randomised controlled trial

Measure

Spring/Summer

Autumn/Winter

F (df)

p-value

 

Mean (SD)

Mean (SD)

  

Objective walking behaviour

    

Immediately post-intervention (t2)

26.41 (9.94)

26.60 (9.58)

  

Six-months post-intervention (t4)

19.45 (5.73)

19.58 (5.69)

.417 (1,227)

.519

Direct TPB Measures

    

Attitude (t2)

6.23 (0.97)

6.00 (1.33)

  

Attitude (t4)

5.54 (1.42)

5.42 (1.53)

1.74 (1, 208)

.192

Subjective Norm (t2)

4.62 (2.01)

4.55 (1.91)

  

Subjective Norm (t4)

4.89 (1.30)

4.80 (1.57)

.003 (1,208)

.958

PBC (t2)

5.91 (1.29)

5.88 (1.33)

  

PBC (t4)

5.60 (1.38)

5.81 (1.77)

.307 (1,192)

.580

Intention (t2)

6.03 (1.57)

6.13 (1.56)

  

Intention (t4)

5.55 (1.38)

5.35 (1.56)

.888 (1,199)

.347

Control beliefs

    

Time (t1)

5.06 (1.76)

4.97 (1.73)

  

Time (t4)

4.56 (1.65)

4.72 (1.71)

.042 (1,196)

.837

Work and family commitments (t1)

3.68 (2.04)

3.59 (2.11)

  

Work and family commitments (t4)

3.48 (1.87)

3.38 (1.85)

.041 (1, 196)

.839

Weather (t1)

4.53 (1.45)

3.06 (1.61)

  

Weather (t4)

4.39 (1.38)

4.15 (1.32)

19.46 (1,191)

<.001

Pain (t1)

4.54 (2.35)

4.62 (2.31)

  

Pain (t4)

4.58 (2.23)

4.94 (2.29)

3.77 (1,196)

.053

Threatening environments (t1)

6.28 (1.25)

6.10 (1.55)

  

Threatening environments (t4)

6.03 (1.46)

6.10 (1.39)

2.156 (1,206)

.144

Perceived power of control beliefs

    

Time (t1)

5.77 (1.61)

5.90 (1.42)

  

Time (t4)

5.72 (1.46)

6.06 (1.21)

.000 (1,192)

.994

Work and family commitments (t1)

2.91 (1.56)

3.07 (1.68)

  

Work and family commitments (t4)

2.90 (1.46)

2.54 (1.27)

3.115 (1,190)

.079

Weather (t1)

5.74 (1.66)

6.05 (1.29)

  

Weather (t4)

5.50 (1.41)

5.88 (1.06)

1.021 (1,192)

.314

Pain (t1)

3.69 (1.86)

3.82 (1.83)

  

Pain (t4)

3.67 (1.61)

3.18 (1.67)

2.397 (1,189)

.123

Threatening environments (t1)

1.85 (1.24)

2.32 (1.66)

  

Threatening environments (t4)

2.15 (1.35)

1.90 (1.23)

.024 (1,198)

.877