Table 3

Paired Sample t-test for TPB variables with Aerobic PA and Resistance Training

Aerobic PA

Resistance Training

Variables

M (SD)

M (SD)

t

p-value

Aggregated-level

Attitude

5.19 (1.16)

4.44 (1.43)

8.24

< 0.001

Injunctive Norms

3.70 (0.89)

3.28 (1.03)

7.71

< 0.001

Descriptive Norms

2.90 (0.87)

2.64 (0.92)

6.51

< 0.001

PBC

4.22 (0.89)

4.05 (1.09)

3.65

< 0.001

Intention

4.62 (1.33)

3.87 (1.61)

8.25

< 0.001

Item-level

Attitude

Enjoyable

4.97 (1.35)

4.17 (1.59)

8.14

< 0.001

Beneficial

5.38 (1.31)

4.73 (1.56)

7.20

< 0.001

Subjective Norm

Social circle wants

3.11 (1.29)

2.76 (1.25)

6.42

< 0.001

Social circle approves

3.50 (1.20)

3.11 (1.24)

6.86

< 0.001

Doctor wants

3.93 (1.03)

3.46 (1.20)

7.14

< 0.001

Doctor approves

4.15 (0.84)

3.71 (1.13)

7.06

< 0.001

Family behavior

3.05 (1.20)

2.81 (1.22)

5.44

< 0.001

Friends behavior

2.72 (1.00)

2.49 (1.02)

5.43

< 0.001

Spouse behavior

2.65 (1.26)

2.22 (1.18)

6.75

< 0.001

PBC

Participation is up to me

4.22 (0.89)

4.05 (1.09)

3.65

< 0.001

Intention

Motivation

4.51 (1.57)

3.83 (1.70)

6.53

< 0.001

Commitment

4.58 (1.48)

3.90 (1.66)

6.33

< 0.001

Increase 3 months

4.64 (1.35)

3.80 (1.64)

8.82

< 0.001

Intention

4.74 (1.48)

3.87 (1.72)

8.42

< 0.001

Note. All TPB constructs were measured using 5-point scales with the exception of attitude and intention which were 7-point scales.

Plotnikoff et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:61   doi:10.1186/1479-5868-5-61