Sedentary behaviours during pregnancy: a systematic review

Table 3 Time and proportion of time spent in sedentary behaviours

	Studies	N	Mean or median (SD or SE or IQR)
Time spent in SB (objective)
Time spent in SB (h/day)	Ruifrok 2014 [12]	111	8.6 (SD 2.86)
	Hawkins 2014 [10]	294	9.2 (SE 16.2)^a
	Loprinzi 2013 [44]	206	7.7 (SE 0.2)^a
	Hjorth 2012 [9]	304	18.3^a (IQR16.65–19.6)
	Evenson 2011 [11]	359	7.07 (SE 0.165)^a
	Di Fabio 2015 [8]	46	12.65 (SD 1.95)^a
Sitting quietly or very light sitting activities (h/day)	Van Raaij 1990 [38]	18	6.7 (SD1.6)^a
Light to moderate sitting activities (h/day)	Van Raaij 1990 [38]	18	1.6 (SD1.1)^a
Sit/lie time (h/day)	Di Fabio 2015 [8]	46	18.2 (IQR17.1–19) w18; 18.3 (IQR17.6–19.4) w35
Time spent in SB (non-objective)
Television time (h/day)	Padmapriya 2015 [42]	1171	2.4 (SD1.5)^a
Total sitting time (h/day)	Padmapriya 2015 [42)	1171	8.6 (SD3.3)^a
Proportion of time spent in SB (objective)
% of day spent in SB	Hjorth 2012 [9]	304	76.4% (IQR 69.37–81.6^a)
% of wear time spent in SB	Ruifrok 2014 [12]	111	65%
	Evenson 2011 [11]	359	57.1% (SE 0.77)
	Hawkins 2014 [10]	294	64.4% (SE 0.02)^a
% of time awake in SB	Di Fabio 2015 [8]	46	76% (SD11) w18–78% (SD13) w35
% of day time in sit/lie	Di Fabio 2015 [8]	46	76% (IQR71–79) w18; 76% (IQR73–81) w35

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