Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)
Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ) Manual for the Benzodiazepine Dependence Questionnaire (BDEPQ)
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 29 and 30: 26 DEVELOPMENT Table 7: The results
- Page 31 and 32: 28 DEVELOPMENT Table 7: The results
- Page 33 and 34: 30 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:
List of Tables<br />
1 Comparison of sample and population estimates of age, gender and<br />
marital status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10<br />
2 Comparison of sample and population estimates of occupation, ethnicity<br />
and age when left school.................... 11<br />
3 Doses of BZDs equivalent to 5mg of diazepam and <strong>the</strong>ir half lives 14<br />
4 Comparison of sample and poulation estimates of benzodiazepine use 15<br />
5 Number of participants with CIDI diagnoses of BZD dependence . 17<br />
6 Neuroticism, depression and anxiety questionnaire scores <strong>for</strong> <strong>the</strong><br />
sample by gender ........................... 20<br />
7 The results of steps taken to reduce <strong>the</strong> number of items in <strong>the</strong><br />
<strong>BDEPQ</strong> ................................ 23<br />
8 Properties of <strong>BDEPQ</strong> total and sub scale scores on both waves . . 33<br />
9 Multitrait-multimethod matrix: Wave one and phone interview . . 37<br />
10 Multitrait-multimethod matrix: Wave two ............. 38<br />
11 Symptoms of benzodiazepine withdrawal included in withdrawal<br />
rating scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46<br />
List of Figures<br />
1 Frequency histogram of <strong>BDEPQ</strong> total scores . . . . . . . . . . . . 34<br />
2 ROC curve <strong>for</strong> <strong>the</strong> <strong>BDEPQ</strong> as a screening test <strong>for</strong> CIDI diagnoses<br />
ofBZDdependence.......................... 45<br />
ii
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