Associations of sedentary time and self-reported television time during pregnancy with incident gestational diabetes and plasma glucose levels in women at risk of gestational diabetes in the UK

Table 3 Associations of sedentary time with incident GDM and fasting and 2-h glucose levels for the whole sample

	Total sedentary time		Prolonged sedentary time		Breaks in sedentary time^a			Television time
	OR (95%CI)	p-value	OR (95%CI)	p-value	OR (95%CI)	p-value		OR (95%CI)	p-value
GDM incidence^b (n = 186)	1.00 (1.00. 1.01)	0.24	1.23 (0.74, 2.04)	0.43	1.00 (0.97, 1.03)	0.98	(n = 177)	3.03 (1.21, 7.96)	0.02
	β (95%CI)		β (95%CI)		β (95%CI)			β (95%CI)
Fasting glucose^c (mmol/L) (n = 175)	0.12 (−0.03, 0.28)	0.13	0.15 (0.01, 0.30)	0.04	−0.12 (− 0.27, 0.04)	0.13	(n = 166)	0.12 (− 0.04, 0.27)	0.13
2-h glucose^c (mmol/L) (n = 174)	0.11 (− 0.05, 0.27)	0.17	0.07 (− 0.08, 0.22)	0.39	0.06 (− 0.10, 0.22)	0.47	(n = 165)	0.05 (− 0.11, 0.20)	0.57

All models adjusted for age, BMI, stepping time, and recruitment site; accelerometry models additionally adjusted for waking wear time
^aAdditionally adjusted for total sedentary time
^bAdditionally adjusted for previous GDM
^cLog-transformed

ISSN: 1471-2458