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. Author manuscript; available in PMC: 2013 Nov 26.
Published in final edited form as: J Res Adolesc. 2010 Nov 9;21(3):10.1111/j.1532-7795.2010.00697.x. doi: 10.1111/j.1532-7795.2010.00697.x

Table 3.

Scale reliability and inter-item correlations

Factor Wave 1 Wave 2 Wave 3
M F All M F All M F All
Health Risk .42 .51 .49 .74 .79 .78 .79 .82 .81
Social Benefit .73 .72 .74 .81 .80 .81 .81 .79 .80
Social Risk .83 .79 .83 .86 .79 .85 .88 .88 .89
Pleasure .42 .44 .44 .79 .86 .84 .82 .87 .86

Note: Table entries are Cronbach’s alphas except for Wave 1 Health Risk and Pleasure scales, which are inter-item correlations because the scales comprised only two items.