Table 5.
Bivariate associations between categorical Theory of Planned Behaviour (TPB) constructs and recreational activity 12 months post-intervention among ALPHA Trial exercise group participants, Alberta, Canada
| TPB constructs c | Active a (n = 78) | Inactive (n = 48) | |||
|---|---|---|---|---|---|
| No. | % | No. | % | P -value b | |
| Attitude | |||||
| Instrumental (n = 125) | |||||
| Less than extremely useful | 19 | 25% | 16 | 33% | |
| Extremely useful | 58 | 75% | 32 | 67% | 0.31 |
| Affective (n = 125) | |||||
| Less than quite enjoyable | 8 | 10% | 18 | 38% | |
| Quite enjoyable | 51 | 66% | 25 | 53% | |
| Extremely enjoyable | 18 | 23% | 4 | 9% | <0.01 |
| Self-efficacy (n = 124) | |||||
| Less than moderately confident | 13 | 17% | 18 | 38% | |
| Moderately confident | 44 | 58% | 24 | 50% | |
| Extremely confident | 19 | 25% | 6 | 13% | 0.03 |
| Perceived Control (n = 125) | |||||
| Less than complete control | 33 | 43% | 24 | 50% | |
| Complete control | 44 | 57% | 24 | 50% | 0.47 |
| Motivation (n = 125) | |||||
| Less than quite motivated | 9 | 12% | 7 | 15% | |
| Quite motivated | 38 | 49% | 30 | 63% | |
| Extremely motivated | 30 | 39% | 11 | 23% | 0.08 |
| Injunctive Norm (n = 124) | |||||
| Less than strongly agree | 17 | 22% | 14 | 30% | |
| Strongly agree | 60 | 78% | 33 | 70% | 0.40 |
aat least 150 minutes/week of moderate intensity recreational activity or 75 minutes/week of vigorous intensity recreational activity.
bp-value from Fisher’s exact test.
cmeasured at end of study, relating to continuing exercise.