Screening uptake rates and the clinical and cost effectiveness of screening for gestational diabetes mellitus in primary versus secondary care: study protocol for a randomised controlled trial

Table 1 Baseline characteristic data

Clinical risk factors	Age
	Ethnicity
	Body mass index
	Parity
	Personal and family history of diabetes
	Smoking status
	Hypertension
	Previous pregnancy ending in perinatal death
	Current medications
	Expected date of delivery
Socioeconomic status	Medical card status^b
	Private health insurance status
	Employment status
	Education status
	Marital status
	Distance and journey time from hospital and GP settings
	Mode of transport

ISSN: 1745-6215