Comparative effectiveness of cognitive and dynamic therapies for major depressive disorder in a community mental health setting: study protocol for a randomized non-inferiority trial

Connolly Gibbons, Mary Beth; Mack, Rachel; Lee, Jacqueline; Gallop, Robert; Thompson, Donald; Burock, Debra; Crits-Christoph, Paul

doi:10.1186/s40359-014-0047-y

Table 1 Summary of study measures

From: Comparative effectiveness of cognitive and dynamic therapies for major depressive disorder in a community mental health setting: study protocol for a randomized non-inferiority trial

Study variables	Assessment point	Measurement scale	Reference
Diagnosis
Depression	Baseline	Quick Inventory for Depressive Symptomatology (QIDS), 16 items, α = .86	Rush et al. [2003]
Depression	Baseline	Structured Clinical Interview (SCID) for the DSM-IV	First et al. [1997]
Clinical characteristics
Demographics	Baseline	Demographic Questionnaire	Developed for current study
Alcohol/substance use	Baseline	Alcohol Use Disorders Identification Test (AUDIT), 10 items, α = .83	Hays et al. [1995]
Alcohol/substance use	Baseline	We developed 6 items to evaluate substance use, adapted from the AUDIT	Hays et al. [1995]
Trauma history	Baseline	Traumatic Life Events Questionnaire (TLEQ), 24 items	Kubany et al. [2000]
Treatment expectations	Baseline	Attitudes and Expectations (AAE), 14 items	Adapted from Elkin et al. [1989]
Symptoms
General mental health	Baseline, M1, M2, M4, M5, T1-16	Behavior and Symptom Identification Scale (BASIS-24), 24 items, α = .77-.91	Eisen et al. [2004]
Depression	Baseline, M1, M2, M4, M5, T1-16	Beck Depression Inventory–II (BDI-II), 21 items, α = .91	Beck et al. [1996]
Depression	Baseline, M1, M2, M4, M5	Hamilton Rating Scale for Depression (HAM-D), 27 items, α = .79	Hamilton, [1960]; Trajkovic et al. [2011]
Functioning/broader outcome
Life satisfaction	Baseline, M1, M2, M4, M5	Quality of Life Inventory (QOLI), 32 items, α = .77-.89	Frisch et al. [1992]
General functioning	Baseline, M1, M2, M4, M5	The Medical Outcomes Study 36-item Short-Form (SF-36), 36 items, α = .78-.94	Ware & Sherbourne [1992]; McHorney et al. [1994]
Interpersonal problems	Baseline, M1, M2, M4, M5	Inventory of Interpersonal Problems (IIP-48), 48 items, α = .69-.80	Gude et al. [2000]
Therapeutic process
Therapeutic alliance	T2, T4, T6, T8	Working Alliance Inventory–Client (WAI-C), 12 items, α = .93	Horvath & Greenberg [1989]
Treatment credibility	T2	Opinions About Treatment (OAT), 3 items, α = .90	Adapted from Borkovec & Nau [1972]; Mooney et al. [2013]
Therapeutic mechanism
Dysfunctional attitudes	Baseline, M1, M2, M5	Dysfunctional Attitudes Scale (DAS), 40 items, α = .86	Weissman & Beck [1978]; De Graaf et al. [2009]
Compensatory skills	Baseline, M1, M2, M5	Ways of Responding–Community (WOR-C), α = .72-.79	Adapted from Barber & DeRubeis [1992]; Connolly Gibbons et al. [2014]
Compensatory skills	Baseline, M1, M2, M5	Ways of Responding'self-Report (WOR-SR), 65 items, α = .94-.96
self-understanding	Baseline, M1, M2, M5	Self-Understanding of Interpersonal Patterns Scale–Revised (SUIP-R), 28 items, α = .92	Connolly Gibbons et al. [2009]
Underlying depressogenic schemas	Baseline, M1, M2, M5	Psychological Distance Scaling Task (PDST), 80 items	Dozois & Dobson [2001]

Note: M indicates month assessment (M1 = month 1). T indicates therapy session (T1 = therapy session 1).

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ISSN: 2050-7283

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