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Table 2 Primary and secondary outcomes

From: Protocol for an interventional study to reduce postpartum weight retention in obese mothers using the internet of things and a mobile application: a randomized controlled trial (SpringMom)

Outcomes Trial duration  
  Intervention Finished
Registration During pregnancy Delivery 1 montha
postpartum
6 weeks
postpartum
6 months
postpartum
12 months
postpartum
24 months
postpartum
Primary   Rate of change in body weight from before pregnancy to 12 months postpartum ×       ×   
Secondary Health outcomes Bothgroup Pregnancy outcomes (cesarean section rate, preterm birth rate, LGA rate, excessively large baby rate, pregnancy-induced hypertension rate, gestational diabetes rate, etc.)    ×      
Rate of change in body weight from before pregnancy  ×    ×    ×    ×
Percentage who reached the weight target        × × ×
Body fat ratio     ×   ×  × × 
Hypertension rate        × × ×
Impaired glucose tolerance rate        × × ×
Edinburgh Postnatal Depression Score ≥9 rate ×    ×     
Behavioral changes Number of steps ×      × × ×
Sleep ×      × × ×
Attitude, knowledge ×      × ×  
Breastfeeding rate     ×   × ×  
Breastfeeding process     ×     
Intervention group only Percentage of carbohydrates, fat, protein, dietary fiber in diet ×      × ×  
Use of IoT/mobile app Rate of use of weight-body composition monitor, activity-sleep tracker ×      × ×  
Number of logins to mobile app, browsing time ×      × ×  
Meal image/content upload status ×      × ×  
  Intervention program continuation rate       × ×  
Adherence ×      × × ×
Desire to continue using IoT after end of study ×       ×  
Bothgroup User-friendliness of the devices ×      × ×