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Table 2 Overview of data collection: the Gestational Diabetes’ Effects on Moms (GEM) study

From: A pragmatic cluster randomized clinical trial of diabetes prevention strategies for women with gestational diabetes: design and rationale of the Gestational Diabetes’ Effects on Moms (GEM) study

Domain

Primary data source

Pregnancy (Baseline)

6 weeks Postpartum (range 2 to 11 weeks)

6 months Postpartum (range 12 to 34 weeks)

12 months Postpartum (range 35 to 64 weeks)

Demographics

     

Age, race/ethnicity

EMR/Survey

X

X

  

Education, country of origin, household income and size, and ethnic identity [27]

Survey

X

X

  

Marital status, employment

Survey

X

X

X

X

Smoking, alcohol use, sleep

Survey

X

X

X

X

Pregravid weight and height

EMR/Survey

X

   

New pregnancy

EMR/Survey

  

X

X

Outcomes

     

Weight

EMR

X

X

X

X

Blood glucose

EMR

X

X

X

X

Blood pressure

EMR

X

X

X

X

Depression [28]

Survey

X

X

X

X

Fat intake by a screener [29]

Survey

X

X

X

X

Caloric intake and percent of calories from fat by Block FFQ [30]

Survey

X

 

X

X

Physical activity by Active Australia Survey [31]

Survey

X

X

X

X

Physical Activity by Pregnancy Physical Activity Questionnaire [32]

Survey

X

 

X

 

Health & Medical Care

     

Perceived health

Survey

X

X

X

X

Pregnancy and postpartum care received

Survey

 

X

  

Medical history

EMR/Survey

X

X

  

Reproductive history

Survey

X

   

Family history of diabetes and GDM

Survey

X

   

Medication use

EMR/Survey

X

X

X

X

Gestational weight gain

EMR

    

Infant feeding [33]

Survey

 

X

X

X

Medical visits

EMR/Survey

   

X

Health literacy [34]

Survey

X

   

Use of contraceptives

Survey

 

X

X

X

Adverse events

EMR/Survey

  

X

X

Health status for cost evaluation [35]

Survey

 

X

X

X

Heath service utilization and cost

EMR/Survey

 

X

X

X

Psychosocial

     

Stage of change [21, 22], Self-efficacy [20, 23] and Social support [24]

Survey

X

 

X

 

Perceived stress [36]

Survey

X

 

X

 

Diabetes risk perception/knowledge [37]

Survey

X

 

X