Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)

Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ) Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)

ndarc.med.unsw.edu.au
from ndarc.med.unsw.edu.au More from this publisher
13.11.2012 Views

PROPERTIES OF BDEPQ TOTAL SCORES 33 Table 8: Properties of BDEPQ total and sub scale scores on both waves n mean sd sem alpha min 25%ile 50%ile 75%ile max Wave one Total 189 22.1 16.0 4.47 0.922 0 11 19 33 72 General dependence 225 8.1 7.0 2.74 0.847 0 3 7 11 38 Pleasant e ects 214 5.9 4.8 1.90 0.844 0 2 5 10 18 Perceived need 241 7.7 6.7 2.44 0.867 0 3 6 11.25 30 Wave two Total 170 18.5 14.3 4.17 0.915 0 6 15 27 65 General dependence 202 6.7 5.8 2.61 0.798 0 2 6 9 32 Pleasant e ects 189 4.6 4.4 1.76 0.840 0 0 4 8 17 Perceived need 201 7.4 6.6 2.38 0.870 0 2 5 11 28 Notes: n = number of subjects, sd = standard deviation, sem = standard error of measurement, alpha = Cronbach's coe cient alpha, min = minimum score, max = maximum score.

34 PROPERTIES OF BDEPQ TOTAL SCORES Figure 1: Frequency histogram of BDEPQ total scores Notes: the histogram is plotted with a normal curve t to illustrate the possible distribution of scores in a larger sample

34 PROPERTIES OF <strong>BDEPQ</strong> TOTAL SCORES<br />

Figure 1: Frequency histogram of <strong>BDEPQ</strong> total scores<br />

Notes: <strong>the</strong> histogram is plotted with a normal curve t to illustrate <strong>the</strong> possible<br />

distribution of scores in a larger sample

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!