Construct | Measurement | Description | Intervals assessed | Reference |
---|---|---|---|---|
Primary outcomes | ||||
 Feasibility of study |  | Number of eligible participants, randomized participants, retention and attrition of randomized participants | Baseline, mid-pregnancy, post-program, 3-month postpartum | [65] |
 Acceptability of IPT |  | IPT session attendance (≥ 80%), above-average participant IPT program ratings | Post-program | [66] |
Secondary Outcomes | ||||
 Social functioning | SAS-SR | 24-item self-report scale of interpersonal functioning in family, friend, romantic, and school or work domains | Baseline, mid-pregnancy, post-program, 3-month postpartum | [67] |
NRI-BSV | 28-item self-report scale of relationship characteristics for mother, father, peer, and romantic partner relationships | [68] | ||
 Perceived stress | PSS | 14-item self-report scale to assess perception of stress | Baseline, mid-pregnancy, post-program, 3-month postpartum | [69] |
 Depression | CES-D | 20-item self-report scale to assess depression symptoms | Baseline, mid-pregnancy, post-program, 3-month postpartum | [70] |
EPDS | 10-item self-report scale to assess depression symptoms | Baseline, mid-pregnancy, post-program, 3-month postpartum | ||
MINI-KID | Structured clinical interview to assess psychiatric disorders, such as major depressive disorder | Baseline, post-program, 3-month postpartum | [73] | |
 Disinhibited eating | EDE | Semi-structured interview to assess disordered eating including objective binge, subjective binge, and objective overeating | Baseline, post-program, 3-month postpartum | |
EES-C | 25-item self-report questionnaire to assess eating in response to negative emotions | Baseline, mid-pregnancy, post-program, 3-month postpartum | [76] | |
 Physical activity | ActiGraph GT3X+ | Body-worn accelerometer to measure 7 days and nights of habitual physical activity including step counts, light and moderate-vigorous intensity, and sedentary time | Baseline, mid-pregnancy, post-program | |
 Sleep disturbance | ActiGraph GT3X+ | Body-worn accelerometer to measure 7 nights of sleep including total sleep time, sleep onset latency, wake after sleep onset, and sleep efficiency | Baseline, mid-pregnancy, post-program | |
 Body composition | BMI indices | Height and weight measured to calculate BMI | Baseline, mid-pregnancy, post-program, 3-month postpartum | [81] |
 Maternal postpartum adiposity | Body fat | DXA conducted to measure body composition including total fat and lean mass | 3-month postpartum | |
 Maternal insulin sensitivity | WBISI, QUICKI, HOMAIR | 7-sample, 2-h oral glucose tolerance test to estimate insulin sensitivity | 3-month postpartum | |
 Infant adiposity | Body fat | Infant PeaPod conducted to measure body composition including total fat and lean mass | 3-month postpartum | [86] |