Table 2 Theory of Planned Behaviour measures of belief and intention towards taking oral glucose-lowering medications
Variable name | Number of items†| Sample question |
|---|---|---|
Direct attitude | 2 | It is beneficial for me to take my diabetes medicines without missing a day |
Direct subjective norm (injunctive) | 2 | Most people who are important to me think I should take my diabetes medicines without missing a day |
Direct subjective norm (descriptive) | 1 | If they were taking part in this study, most people who are important to me would take their diabetes medicines without missing a day |
Direct perceived behavioural control | 3 | It is difficult for me to take my diabetes medicines without missing a day |
Indirect attitude | 7 | If I were to take my diabetes medicines without missing a day, it would keep my diabetes under control |
Indirect subjective norm (injunctive) | 3 | Members of my family or close relatives would approve of me taking my diabetes medicines without missing a day |
Indirect perceived behavioural control | 4 | Changes to my daily routine would make it more difficult for me to take my diabetes medicines without missing a day |
Intention | 2 | I intend to take my diabetes medicines without missing a day |