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)

Table 2 Primary and secondary outcomes

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	×					×	×

ISSN: 1471-2393