Associations between follow-up screening after gestational diabetes and early detection of diabetes – a register based study

Table 2 Follow-up screening participation after gestational diabetes in the Region in the period 1994-2011

Follow-up screening					Diabetes women (N = 124)			Treatment women (N = 229)
	Control + N (%)	Control – N (%)	Missing N (%)*	p	Control + N	Control – N	p	Control + N	Control – N	p
General practitioner (N = 2171)
Control 1: Within 3 months after birth	1744 (80.5)	423 (19.5)	41 (0.2)	<0.001	112	12	0.0045	205	24	0.0002
Control 2: 3 months to 2 years	852 (47.3)	950 (52.7)	369 (17.0)	0.0210	108	16	<0.0001	188	37	<0.0001
Control 3: 2 years to 4 years	526 (29.1)	1281 (70.9)	364 (16.8)	<0.001	94	27	<0.0001	152	62	<0.0001
Control 4: 4 years to 6 years	333 (17.7)	1551 (82.3)	287 (12.8)	<0.001	75	37	<0.0001	116	89	<0.0001
Biochemical unit (N = 1218)**
Control 1: Within 6 months after birth	111 (10.2)	979 (89.8)	128 (10.5)	<0.001	113	10	0.4932	181	40	<0.0001
Control 2: 6 moths to 2.4 years	69 (6.4)	1013 (93.6)	136 (11.2)	<0.001	113	10	0.8829	184	36	<0.0001
Control 3: 2.4 years to 4.5 years	29 (2.5)	1116 (97.5)	73 (6.0)	<0.001	113	9	0.3085	192	28	<0.0001
Control 4: 4.5 years to 8.2 years	6 (0.5)	1190 (99.5)	22 (1.8)	<0.001	115	5	0.7766	198	22	<0.0001

*Women appearing as missing in the table were censured by either new pregnancy or birth and death.
**Data on blood samples at biochemical departments are only available for women giving birth after 2006.

ISSN: 1471-2458