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. Author manuscript; available in PMC: 2010 Jul 12.
Published in final edited form as: J Health Psychol. 2008 Sep;13(6):827–837. doi: 10.1177/1359105308093867

Table 2.

Reliability

Scale # items Mean of item Mean of item SDs Alpha
Susceptibility 4 2.86 1.70 .79
Benefits 4 6.02 1.50 .73
Barriers 19 2.01 1.64 .89
Self-efficacy 10 5.98 1.70 .88
Fear 8 3.01 1.36 .94