Table 2.

Characteristics of the scales.

Scale	Number of items	Mean; SD	Min; Max	Skewness; Kurtosis	Cronbach's α
Intention	5	25.3 ± 4.4	5–35	−1.2; 5.4	0.64
Attitude	8	38.7 ± 6.2	14–56	−0.01; 3.6	0.76
Subjective norms	7	36.2 ± 8.3	7–49	−0.7; 3.5	0.90
PBC	7	35.7 ± 5.8	11–49	−0.7; 4.2	0.76