Thinking Healthy Program-Technology Assisted (THP-TA)

Remission rates from perinatal depression among the trial participants will be based on clinical diagnostic criteria based on the Structured Clinical Interview for the DSM-IV Axis (SCID) module. The SCID will be employed at baseline and 3 months postnatal.

Sustained remission rates from perinatal depression among the trial participants will be based on clinical diagnostic criteria based on the Structured Clinical Interview for the DSM-IV Axis (SCID) module, assessed at baseline, 3 and 6 months postnatal.

Severity of perinatal depressive symptoms will be measured using the Patient Health Questionnaire-9 items assessed at baseline, 3 months and 6 months postnatal. Score on this scale ranges from 0 to 27, with higher scores indicating increased severity.

Severity of perinatal anxiety symptoms will be measured using the Generalized anxiety Disorder-7 scale assessed at baseline, 3 months and 6 months postnatal. Score on this scale ranges from 0 to 21, with higher scores indicating increased severity.

Change in maternal quality of life will be measured using the EuroQuality of Life scale (EQ-5D-3L), at baseline, 3 months and 6 months postnatal. It is a valid and reliable scale to quantify health status across 5 dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression.

This World Health Organization Disability Assessment Schedule 2.0 questionnaire assesses disability due to health conditions or illnesses (chronic or acute) including mental and emotional health problems. It is a valid and reliable instrument that generates domain-specific scores for six different functioning domains: i) cognition ii) mobility iii) self-care iv) getting along v) life activities (household and work/school) and vi) participation. It will be employed at baseline, 3 and 6 months postnatal.

Service use will be measured using Client Service Receipt Inventory (CSRI), including costs of healthcare services used, details and costs of medications and wider health service utilization and economic costs at 3 months and 6 months postnatal.

Using 24-hour recall WHO breastfeeding practices tool, we will quantify percentage of infants being exclusively breastfed at 3 months and 6 months postnatal.

To ascertain family planning practices, categorical questions will be asked regarding the use of contraception during the postpartum period.

Immunization status of the infant will be assessed using a categorical question assessing completely or incompletely immunized as per the Expanded Programme on Immunization program in Pakistan, at 3 months and 6 months postnatal.

Multidimensional Scale of Perceived Social Support (MSPSS) will be used to assess the perceived levels of social support among the intervention recipients at baseline, 3 months and 6 months postnatal, from three sources: family, friends and significant other. It comprises of 12 items, scores on which can be summed together with higher scores corresponding to better social support.

Parental time spent in play with the infant will be assessed at 3 months and 6 months postnatal.

Number of episodes of diarrheal episodes among infants will be assessed using the WHO criteria and definitions, at 3 months and 6 months postnatal

Number of episodes of acute upper respiratory tract infections among infants will be assessed using the WHO criteria and definitions, at 3 months and 6 months postnatal