Table 3 Intergroup comparison of results. Comparison between the two federal states (only significant results shown).

	Lower Saxony (max. n = 304)	Thuringia (max. n = 156)	p-value
Total number of questions answered correctly (mean of 64)	47.8	47.2	0.30
Knowledge of the risk factors for developing GDM
s/p stillbirth	81.1 % (n = 240)	67.5 % (n = 102)	0.001
tendency to recurrent miscarriage	68.5 % (n = 203)	51.0 % (n = 77)	< 0.001
Knowledge of the risks and long-term consequences of GDM for the child
hyperbilirubinemia	77.4 % (n = 223)	65.7 % (n = 92)	0.01
surfactant production disorder	84.6 % (n = 241)	60.6 % (n = 86)	< 0.001
false statement: hyperglycemia post partum	53.8 % (n = 155)	32.6 % (n = 47)	< 0.001
increased risk of diabetes mellitus type 2 later on	95.3 % (n = 283)	100.0 % (n = 152)	0.003
Follow-up
counselling about the increased risk of cardiovascular disease	81.9 % (n = 240)	89.9 % (n = 134)	0.03