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Table 1 Constructs and representative items

From: Predictors of regular mammography use among American Indian women in Oklahoma: a cross-sectional study

Name of the construct and its related theory Number of items after factor analysis Representative items after factor analysis Cronbach’s αlpha
Intention ( TPB)1 1 How likely is it that you will obtain a mammogram at a mammography center of your choice within the next 6 months? N/A
Future Mammography Behavior (TPB) 1 Through medical records and self-reports N/A
Breast Cancer Susceptibility (HBM)2 5 It is extremely likely that I will get breast cancer. 0.86
Positive Attitude ( TPB) 14 Mammography would help me live longer and watch my children and grandchildren grow. 0.96
Mammography would detect breast cancer early.
Mammography would give me peace of mind to find out that I am healthy.
Negative Attitude ( TPB) 6 Mammography would be wasting my time because mammography cannot detect breast cancer. 0.81
Mammography would make me uncomfortable because someone else is handling my breasts.
Mammography would make me afraid to find out if I have breast cancer.
Attitude-Mistrust toward mammography (TPB) 2 Getting a mammogram it will be wasting my time because mammography cannot detect small size tumors 0.81
Perceived Behavioral Control (PBC)-Facilitators (TPB) 5 Having someone who sets up the mammography for me would make my getting a regular mammogram easier. 0.75
Having the mammography facility staff provides me with step-by-step instructions during mammogram would make my getting a regular mammogram easier.
PBC-Barriers (TPB) 5 It is difficult for me to get my regular screening mammogram because the waiting time in the waiting room at the mammography facility is too long. 0.89
It is difficult for me to get my regular screening mammogram because the referral process to receive an appointment is too complex.
Self-Efficacy (scheduling) (SCT)3 4 I am confident that I can get a mammogram even if I have to find time to schedule a mammogram. 0.71
Self-Efficacy (procrastination) (SCT) 3 I am confident that I can get a mammogram even though I forget to set up the mammogram appointment 0.79
I am confident that I can get a mammogram even though I keep putting scheduling the appointment off
Social Modeling (SCT) 2 If other women know that I get a regular screening mammogram, then they are more apt to go and get a screening mammogram. 0.81
By getting a mammogram, I feel that I am setting a good example for other women to follow.
Subjective Norms (family and friends) (TPB) 5 Breast cancer survivors I know think I should get a regular screening mammogram. 0.90
My children think I should get a regular screening mammogram.
Subjective Norms (physician) ( TPB) 2 My regular doctor/health practitioner thinks I should get a regular screening mammogram 0.75
My OB-GYN thinks I should get a regular screening mammogram
Strength of Cultural Affiliation 16 How much do your home decorations or furniture reflect the influence of your tribe? 0.87
How often do you follow your tribe’s typical ways in man-woman relationships?
American Indian beliefs regarding women’s role (leadership role) 3 Native American women are the "pillar" of their families 0.71
Native American women are the primary caretakers of their families
Native American women should be treated with respect and honor
American Indian beliefs regarding women’s role (traditional role) 2 Native American women should be quiet and reserved 0.65
Native American women should be separated from others during menstruation
Breast Cancer Fatalism 5 I think if someone is meant to get breast cancer, they will get it no matter what they do 0.74
I think getting checked for breast cancer makes people scared that they really have breast cancer
  1. 1Theory of Planned Behavior.
  2. 2Health Belief Model.
  3. 3Social Cognitive Theory.