Subscales and items | Cronbach's Alpha | Inter-Item Correlation | Item-to-Total Correlations |
---|---|---|---|
Initial information about radiation therapy Q1 Why I need to receive radiation therapy Q2 What radiation therapy will involve Q7 The radiation oncologist who is treating me | 0.75 | All item correlations between 0.57 and 0.73 | All items between 0.60 and 0.70. |
Information relating to planning treatment Q4 What happens during the planning appointment Q6 How my treatment is planned Q9 How much of my breast will be treated Q11 What happens on the first day | 0.76 | 10/12 items between 0.3 and 0.70 | All items between 0.45 and 0.74. |
Information relating to first day of treatment Q8 The roles of different staff in the department Q10 The treatment machine Q12 Why there are cameras and computers in the treatment room and what they are used for Q13 What the x-rays that are taken on the treatment machine are used for Q20 Who can provide me with information Q14 What side effects I may experience Q15 Whether the radiation will effect my heart Q16 Whether my lungs will be damaged by treatment Q17 Other people's experiences of receiving treatment Q18 How to take care of my skin | 0.79 | 42/72 (58%) item correlations between 0.30 and 0.70. | All items between 0.30 and 0.70. |
Effect treatment will have on day to day living during treatment Q19 Whether I can keep working during treatment Q21 What will happen after treatment is finished Q22 The cost of treatment Q23 Transport that is available Q24 Parking | 0.73 | 9/12 (75%) item correlations between 0.30 and 0.70. | All items between 0.40 and 0.70. |