Table 1 description of data elements and timeline
Methodology data | Phase 1 (6–12 weeks) | Phase 2 (24–26 weeks) | Phase 3 (32–34 weeks) | Phase 4 (12–72 h after delivery) | Data collection Methods | Measurement tool |
|---|---|---|---|---|---|---|
Maternal demographics | × | Standardized interview | Standardized questions | |||
Maternal lifestyle | × | Standardized interview | Standardized questions | |||
Maternal medical history | × | Standardized interview | Standardized questions | |||
Maternal reproductive history | × | Standardized interview | Standardized questions | |||
Maternal obstetric history | × | Standardized interview | Standardized questions | |||
Maternal family history | × | Standardized interview | Standardized questions | |||
Maternal dietary intake | × | Standardized interview | Validated questionnaire (FFQ) | |||
Maternal physical activity | × | Standardized interview | Validated questionnaire (IPAQ) | |||
Maternal sleep pattern | × | Standardized interview | Validated questionnaire (Pittsburgh Sleep Quality Index) (Epworth Insomnia Severity Index) | |||
Paternal demographics | × | Standardized interview | Standardized questions | |||
Paternal lifestyle | × | Standardized interview | Standardized questions | |||
Paternal medical history | × | Standardized interview | Standardized questions | |||
Paternal family history | × | Standardized interview | Standardized questions | |||
Maternal anthropometry | × | Calibrated Instruments and standardized Protocols | Digital weight scale (seca 813) Digital height scale (seca 206) Aneroid sphygmomanometer (seca b10) | |||
Maternal blood specimens | × | Calibrated Instruments and standardized Protocols | Single central laboratory Automated hematology analyzer (sysmex corporation, kobe, Japan) | |||
Infant anthropometry | × | Calibrated Instruments and standardized Protocols | Baby weight scale (seca 376) Baby height scale (seca 376) | |||
Postnatal maternal complications | × | Standardized telephone interview | Standardized questions | |||
Peripartum maternal complications | × | Standardized telephone interview | Standardized questions | |||
Antenatal maternal complications | × | Standardized telephone interview | Standardized questions | |||
Infant health | × | Standardized telephone interview | Standardized questions |