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Table 6 Cronbach’s alpha, test-retest reliabilities, and differences in subscale scores between low and high exercisers for the revised DPAQ (study 2)

From: Development and initial validation of the determinants of physical activity questionnaire

Determinant area    <900 mets >900 mets
  α r M SD M SD
Knowledge .64 .45* 4.4a 1.3 4.6a 1.3
Environmental context .67 .71** 4.9a 1.0 5.4b 1.1
Motivation and goals .69 .79** 4.4a 1.2 4.9b 1.1
Beliefs about capabilities .85 .86** 3.5a 1.6 4.1b 1.6
Skills .77 .87** 4.6a 1.1 5.0b 1.2
Emotion .70 .91** 4.0a 1.2 4.7b 1.2
Social influences .66 .82** 3.7a 1.2 4.2b 1.2
Beliefs about consequences .57 .63** 6.1a .6 6.1a .7
Action planning .86 88** 4.0a 1.2 4.7b 1.3
Coping planning .73 .78** 2.9a 1.0 3.4b 1.2
Goal conflict .65 82** 3.6a 1.2 3.8a 1.2
  1. Note. For the univariate ANOVA analysis comparing determinant scores for high and low exercisers, means in the same row that do not share the same subscript differ at the p < .05 level.
  2. *p < .05; **p < .01.