Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Other |
Client Satisfaction Questionnaire (CSQ-8) |
Intervention participants only. An 8-item scale that measures and assesses consumer satisfaction with health and human services. Items are scored on a 4-point scale and total scores range from 8-32, with higher scores indicating greater satisfaction. |
1 week post intervention in experimental arm |
|
Other |
CBT Skills Questionnaire (CBTSQ) |
Intervention participants only. A 16-item maternal-report measure designed to assess cognitive and behavioural skills acquisition. Each item is scored on a 5-point scale, and total scores range from 16-80. Higher cognitive restructuring and behavioural activation scores predict reduction of overall psychiatric symptoms and depression. |
12 weeks and 6 months in experimental arm |
|
Other |
Working Alliance Inventory (WAI-SR) |
Intervention participants only. A 12-item maternal-report measure that assesses three aspects of therapeutic alliance:(1) agreement on the tasks of therapy, (2) agreement on the goals of therapy and (3) development of an affective bond. Items are rated on a 5-point scale, and total scores range from 12-60 with higher scores indicating a better therapeutic alliance. |
1 week post intervention in experimental arm |
|
Other |
Group cohesion - Therapeutic Factors Inventory - 8 item |
Measured using the Therapeutic Factors Inventory-8 item that measures instillation of hope, secure emotional expression, awareness of relational impact and social learning. Items are scored on a likert-scale ranging from 1-7. Higher scores indicate a more cohesive group. |
1 week post intervention in experimental arm |
|
Other |
Fidelity of Intervention Delivery |
The fidelity with which the PHNs deliver the 1-Day CBT Workshop will be assessed using measures of adherence and competence that were developed for evaluating delivery of the 1-Day CBT workshop. Each workshop will be audio-recorded and trained raters will rate the adherence to the workshop model and competence with which the PHNs deliver the workshops. |
12 weeks |
|
Primary |
Edinburgh Postnatal Depression Scale (EPDS) |
The Edinburgh Postnatal Depression Scale (EPDS) is a 10-item gold standard measure of PPD. Total scores range from 0-30 with higher scores indicating worse depressive symptoms. A score =13 is consistent with PPD and changes in scores >4 are accepted as being indicative of clinically significant change. |
12 weeks |
|
Secondary |
Edinburgh Postnatal Depression Scale (EPDS) |
The Edinburgh Postnatal Depression Scale (EPDS) is a 10-item gold standard measure of PPD. Total scores range from 0-30 with higher scores indicating worse depressive symptoms. A score =13 is consistent with PPD and changes in scores >4 are accepted as being indicative of clinically significant change. |
6 months |
|
Secondary |
Generalized Anxiety Disorder 7-Item Scale |
The Generalized Anxiety Disorder 7-Item Scale (GAD-7) (32) is a self-report scale that taps generalized anxiety disorder, the most common comorbidity of PPD. Items are scored on a 4-point scale from 0 to 3, with a higher score indicating an increased risk of GAD. A cutoff of =11 defines clinically important levels of anxiety symptoms. |
12 weeks and 6 months |
|
Secondary |
Multidimensional Scale of Perceived Social Support (MSPSS) |
A 12-item scale designed to measure perceived social support from three sources: (1) family, (2) friends and (3) significant other. Items are scored on a 7-point scale, and total scores range from 12-84 with higher scores indicating a higher level of perceived social support. A score of 12-35 indicates low perceived social support, 36-60 indicates medium perceived social support and 61-84 indicates high perceived social support. |
12 weeks and 6 months |
|
Secondary |
Parenting Stress Index (PSI-SF) |
The Parenting Stress Index (short form) is a 36-item parent self-report measure that identifies potentially dysfunctional parent-child systems on three subscales: parental distress, parent-child dysfunctional interaction, and difficult child. The measure also produces a total score that is an indication of overall level of stress a person is feeling in their role as a parent. Higher scores indicate higher levels of stress. |
12 weeks and 6 months |
|
Secondary |
Postpartum Bonding Questionnaire (PBQ |
The Postpartum Bonding Questionnaire (PBQ) is a 25-item maternal-report measure that assesses four aspects of maternal-infant relations: (1) bonding, (2) rejection and anger towards the infant, (3) infant-focused anxiety and (4) incipient abuse. Subscales 1-3 will be explored as a continuous outcome using subscale total score. Each item is scored on a scale of 0-5, with higher scores suggestive of more problems. Mother-infant bonding will be measured as a continuous and dichotomous outcome, using cut-off scores for each subscale indicating bonding disorders. Cutoff values of 12 for the bonding subscale, 17 for rejection and anger, and 10 for infant-focused anxiety have been proposed to define bonding disorders in each category. |
12 weeks and 6 months |
|
Secondary |
Infant Behavior Questionnaire-Revised Very Short Form (IBQ-R) |
The Infant Behaviour Questionnaire-Revised (Very Short Form) (IBQR) is a parent-report measure of infant temperament. The IBQ-R (Very Short Form) consists of 37 items answered on a 7-point scale (1-7) and assesses 3 factors: Positive Affectivity/Surgency with 13 items, Negative Emotionality with 12 items, and Orienting/Regulatory Capacity with 12 items; higher scores indicate greater alignment with the domain. |
12 weeks and 6 months |
|
Secondary |
EQ-5D-5L |
A utility-based health-related quality of life self-report instrument consisting of five questions covering mobility, self-care, usual activities, pain/discomfort and depression/anxiety. Quality of Life will be calculated using the Canadian scoring algorithm by multiplying the health utility for the corresponding time period (ie. area under the curve approach). |
12 weeks and 6 months |
|
Secondary |
Healthcare Resource Utilization Questionnaire |
Healthcare resource utilization data will be collected using a questionnaire used in prior work and adapted for the postpartum period based on the Canadian Community Health Survey and Service Use and Resources Form. Participants will be asked to provide information on health care resource use including diagnoses and procedures, medications, hospital stays, physician and ER visits and the use of all other services (including those relating to mental health). The investigators will measure resources consumed from the perspective of public health care payer and corresponding unit costs will be calculated using provincial billing rates. |
12 weeks and 6 months |
|
Secondary |
Mini International Neuropsychiatric Interview - Major Depressive Disorder Module |
10-15 minute structured psychiatric interview will assess current psychiatric syndromes in participants by telephone at baseline to assess study eligibility. The MINI will be conducted again at 3 and 6 months to assess change in psychiatric symptoms over the study period. |
12 weeks and 6 months |
|
Secondary |
Mini International Neuropsychiatric Interview - Generalized Anxiety Disorder Module |
10-15 minute structured psychiatric interview will assess current psychiatric syndromes in participants by telephone at baseline to assess study eligibility. The MINI will be conducted again at 3 and 6 months to assess change in psychiatric symptoms over the study period. |
12 weeks and 6 months |
|