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. 2014 Nov 14;11(11):11805–11821. doi: 10.3390/ijerph111111805

Table 1.

Psychometric description of scales.

Variables Range of Scores No. of Items Mean (SD) Cronbach Alpha
HIV knowledge 0–18 18 8.37 (3.06) 0.73
Self-efficacy 1–5 4 3.42 (1.23) 0.82
Communication 1–5 4 4.28 (0.86) 0.81
Peer influence 1–5 4 2.41 (0.91) 0.70
Negotiation 1–5 7 3.39 (0.83) 0.70
FPT 1–5 5 2.72 (0.78)
HPT 1–5 10 2.80 (0.61) 0.73
Future Time 1–5 11 3.42 (0.69) 0.75

Notes: FPT, fatalistic present time; HPT, hedonistic present time. We combined the presents (FPT and HPT) to get a single Cronbach score.