Table 5.
Results of Independent Sample t-test – Theory of Planned Behaviour constructs shown to have satisfactory-gooda internal reliability
| Theory of planned behaviour - construct | Pre Survey Meanb (SD) | Post Survey Meanb (SD) | Sig (2-tailed)*** | 95 % confidence interval | |
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Community 1 (Top End Region) | |||||
| Attitude overall | 6.0 | 6.6 | .006 | −1.02 | −0.18 |
| Cronbach alpha pre 0.84 | (1.3) | (1.2) | |||
| Cronbach alpha post 0.53 | |||||
| Perceived behavioural control | 4.6 | 5.7 | .001 | −1.74 | −0.43 |
| Cronbach alpha pre 0.53 | (2.2) | (1.7) | |||
| Cronbach alpha post 0.70 | |||||
| Community 4 (Kimberley Region) | |||||
| Perceived behavioural control | 6.2 | 5.3 | .002 | 0.34 | 1.43 |
| Cronbach alpha pre 0.53 | (1.3) | (1.9) | |||
| Cronbach alpha post 0.70 | |||||
aCronbach alpha satisfactory at 0.60 level bConstruct scale score range 1–7. ***Significance at p = <0.05 level