Skip to main content
. Author manuscript; available in PMC: 2020 Jun 26.
Published in final edited form as: Gynecol Oncol. 2018 Mar 24;149(3):506–512. doi: 10.1016/j.ygyno.2018.03.047

Table 2.

Summary of measures.

Scale Theory # of items Scale measurement Derivation of score Cronbach’s alpha (α)
Intention TRA 1 Binary n/a n/a
Subjective norms TRA 5 5-pt Likert Scale based on Likelihood Mean score 0.85
Perceived susceptibility HBM 4 5-pt Likert Scale based on agreement Mean score 0.86
Perceived severity HBM 3 5-pt Likert Scale based on agreement Mean score 0.84
Perceived benefits HBM 4 5-pt Likert Scale based on agreement Mean score 0.84
Perceived barriers HBM 10 5-pt Likert Scale based on agreement Mean score 0.78
Culture: present-time orientation TRA 4 4-pt Likert Scale based on agreement Mean score 0.86
Culture: future-time orientation TRA 5 4-pt Likert Scale based on agreement Mean score 0.70
Culture: collectivism TRA 5 4-pt Likert Scale based on agreement Mean score 0.85
Culture: spirituality TRA 9 4-pt Likert Scale based on agreement Mean score 0.90
Knowledge TRA 10 True/False/Unsure Mean score 0.75

Note: A greater intent of mothers to vaccinate their daughters against HPV is indicated by higher scores. TRA stands for Theory of Reasoned Action and HBM stands for Health Belief Model.