Table II.

Description of outcome scale variables at each data collection time point by assignment group

Outcomea	T0b	αc	T1	α	T2	α
Total SMLa		0.87		0.95		0.95
Group A	6.3 (2.0)		6.2 (2.3)		7.8 (2.3)
Group B	7.0 (1.6)		7.8 (2.6)		7.8 (2.5)
Total Positive Attitudesa		0.66		0.79		0.79
Group A	2.6 (1.4)		3.3 (1.7)		3.1 (1.7)
Group B	2.3 (1.3)		3.2 (2.1)		3.2 (1.9)
Total Positive Normative Beliefs		0.65		0.81		0.81
Group A	3.6 (2.1)		3.3 (1.9)		4.0 (2.5)
Group B	3.3 (2.2)		4.0 (2.6)		3.7 (2.3)

^aEach outcome variable was assessed on a 10-point Likert scale.

^bCell values for T0, T1 and T2 represent mean (SD).

^cCronbach’s alpha, a measure of internal consistency reliability.