Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)

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Contents Description 1 Rationale and Background 1 Benzodiazepine dependence ........................ 2 History of benzodiazepine dependence . . . . . . . . . . . . . . . . 2 Conceptualization and features of benzodiazepine dependence .. 3 Aims for scale development ........................ 6 Administration 6 Scoring Instructions 6 Interpretation 7 Development 8 Description of the development sample . . . . . . . . . . . . . . . . . . 8 Demographic characteristics ..................... 8 Use of benzodiazepines . . . . . . . . . . . . . . . . . . . . . . . . 12 Dependence on benzodiazepines . . . . . . . . . . . . . . . . . . . 13 Other properties of the sample . . . . . . . . . . . . . . . . . . . . 18 Questionnaire construction . . . . . . . . . . . . . . . . . . . . . . . . . 21 Properties of BDEPQ total scores 31 Normality .................................. 32 Internal consistency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Temporal stability of BDEPQ items . . . . . . . . . . . . . . . . . 32 Validity of the BDEPQ 35 Construct Validity ............................. 35 Predictive validity ............................. 41 Prediction of future withdrawal symptoms ............. 41 The BDEPQ as a screening test for diagnoses of dependence . . . . . . 43 Limitations 44 Measures of withdrawal 44 Acknowledgment 52 References 54 Benzodiazepine Dependence Questionnaire (BDEPQ) 60 i
List of Tables 1 Comparison of sample and population estimates of age, gender and marital status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 Comparison of sample and population estimates of occupation, ethnicity and age when left school.................... 11 3 Doses of BZDs equivalent to 5mg of diazepam and their half lives 14 4 Comparison of sample and poulation estimates of benzodiazepine use 15 5 Number of participants with CIDI diagnoses of BZD dependence . 17 6 Neuroticism, depression and anxiety questionnaire scores for the sample by gender ........................... 20 7 The results of steps taken to reduce the number of items in the BDEPQ ................................ 23 8 Properties of BDEPQ total and sub scale scores on both waves . . 33 9 Multitrait-multimethod matrix: Wave one and phone interview . . 37 10 Multitrait-multimethod matrix: Wave two ............. 38 11 Symptoms of benzodiazepine withdrawal included in withdrawal rating scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 List of Figures 1 Frequency histogram of BDEPQ total scores . . . . . . . . . . . . 34 2 ROC curve for the BDEPQ as a screening test for CIDI diagnoses ofBZDdependence.......................... 45 ii
Page 1: Manual for the Benzodiazepine Depen
Page 5 and 6: 2 RATIONALE AND BACKGROUND Careful
Page 7 and 8: 4 RATIONALE AND BACKGROUND BZD depe
Page 9 and 10: 6 SCORING INSTRUCTIONS Many of the
Page 11 and 12: 8 DEVELOPMENT In general higher sco
Page 13 and 14: 10 DEVELOPMENT Table 1: Comparison
Page 15 and 16: 12 DEVELOPMENT NHS of the Australia
Page 17 and 18: 14 DEVELOPMENT Table 3: Doses of BZ
Page 19 and 20: 16 DEVELOPMENT CIDI diagnoses of BZ
Page 21 and 22: 18 DEVELOPMENT BZD withdrawal sympt
Page 23 and 24: 20 DEVELOPMENT Table 6: Neuroticism
Page 25 and 26: 22 DEVELOPMENT than 0.4 were discar
Page 27 and 28: 24 DEVELOPMENT Table 7: The results
Page 35 and 36: 32 PROPERTIES OF BDEPQ TOTAL SCORES
Page 37 and 38: 34 PROPERTIES OF BDEPQ TOTAL SCORES
Page 39 and 40: 36 VALIDITY OF THE BDEPQ CIDI diagn
Page 41 and 42: 38 VALIDITY OF THE BDEPQ Table 10:
Page 43 and 44: 40 VALIDITY OF THE BDEPQ 2 model (G
Page 45 and 46: 42 VALIDITY OF THE BDEPQ predictive
Page 47 and 48: 44 MEASURES OF WITHDRAWAL 23 would
Page 49 and 50: 46 MEASURES OF WITHDRAWAL Table 11:
Page 51 and 52: 48 MEASURES OF WITHDRAWAL Table 11:
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50 MEASURES OF WITHDRAWAL Table 11:
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52 ACKNOWLEDGMENT on some structure
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54 REFERENCES References American P
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56 REFERENCES Edwards, G., & Gross,
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58 REFERENCES Nunnally, J. (1967).
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60 BENZODIAZEPINE DEPENDENCE QUESTI
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Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)

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