Table 2.
Variables, instruments and assessment times
| Concepts/variables | Instruments |
Survivor |
High-risk relative |
||
|---|---|---|---|---|---|
| Baseline | Follow up | Baseline | Follow up | ||
|
Knowledge/Attitude |
|
|
|
|
|
| Perceived breast cancer risk |
Perceived breast cancer risk [11,20] |
|
|
√ |
√ |
| Knowledge of breast cancer risk factors |
Breast cancer risk factor knowledge index [11,21] |
√ |
√ |
√ |
√ |
| Knowledge of breast cancer genetics |
Knowledge of breast cancer gene inheritance [22] |
√ |
√ |
√ |
√ |
| Perceived facilitators vs. barriers of mammography screening |
Decisional balance scale for mammography [23,24] |
√ |
√ |
√ |
√ |
|
Subjective norms |
|
|
|
|
|
| Perceived family expectations about breast cancer screening |
Adapted from Ajzen et al. [14] |
√ |
√ |
√ |
√ |
| Motivation to comply with family members’ expectations |
Adapted from Ajzen et al. [14] |
√ |
√ |
√ |
√ |
|
Family support |
|
|
|
|
|
| Perceived family support for breast cancer screening |
Social support for breast cancer screening [25] |
√ |
√ |
√ |
√ |
|
PERCEIVED CONTROL |
|
|
|
|
|
| Self-efficacy in utilizing breast cancer screening services |
Self-efficacy for mammography, CBE, cancer genetic services [14] |
√ |
√ |
√ |
√ |
|
Intention |
|
|
|
|
|
| Intention to pursue mammogram, CBE, genetic counseling (when applicable) |
Intention to pursue mammography, CBE, and cancer genetic services (when applicable) [14] |
√ |
√ |
√ |
√ |
|
Behavior |
|
|
|
|
|
| Current screening practices |
Behavioral risk factors surveillance system [24] |
√ |
√ |
√ |
√ |
|
Other |
|
|
|
|
|
| Demographics/personal and family history |
Behavioral risk factors surveillance system [26] |
√ |
|
√ |
|
| Breast cancer risk (Gail model) |
Breast cancer risk assessment tool [27] |
|
|
√ |
√ |
| Breast cancer risk (Claus model) |
Claus breast cancer risk tables [13] |
|
|
|
|
| Evaluation of the Acceptability of the Intervention | TBD by researchers | √ | √ | ||