Table 2.

Reported number of activities, MET values of reported activities, and duration of activities overall and by mode among pregnant women (n=1482). The values are medians (with interquartile range, IQR).

	Number of reported activities			MET values of activities			Duration (hours per activity)
	17–22 weeks	27–30 weeks	P value*	17–22 weeks	27–30 weeks	P value*	17–22 weeks	27–30 weeks	P value*
	Median (IQR)	Median (IQR)		Median (IQR)	Median (IQR)		Median (IQR)	Median (IQR)
All modes of activity	5 (3–6)	4 (3–6)	<0.001	4.5 (4.0–5.3)	4.6 (3.9–5.3)	0.71	1.1 (0.6–1.8)	1.0 (0.5–1.6)	0.003
By modes
Care	1 (1–2)	1 (1–2)	<0.001	3.2 (3.0–3.5)	3.2 (3.0–3.4)	0.77	1.8 (0.7–3.6)	1.4 (0.6–3.0)	0.006
Indoor household	2 (1–3)	2 (1–3)	<0.001	3.1 (2.5–3.5)	3.1 (2.5–3.5)	0.64	0.7 (0.3–1.4)	0.7 (0.3–1.4)	0.95
Outdoor household	1 (1–1)	1 (1–1)	0.82	4.3 (4.0–4.5)	4.3 (4.0–4.5)	0.89	1.0 (0.5–2.0)	1.0 (0.5–1.8)	0.001
Recreational	1 (1–2)	1 (1–2)	<0.001	3.7 (3.7–5.1)	3.7 (3.7–4.9)	0.046	1.5 (1.0–2.3)	1.5 (1.0–2.3)	0.76
Transportation	1 (1–1)	1 (1–1)	1.0	4.0 (4.0–4.0)	4.0 (4.0–4.0)		0.8 (0.5–1.7)	1.0 (0.5–1.7)	0.90
Occupational	1 (1–2)	1 (1–2)	<0.001	3.7 (3.3–4.0)	3.5 (3.3–4.0)	0.91	0.8 (0.3–2.1)	0.8 (0.3–2.0)	0.11

^*P-value for the difference between time points from the sign test. For transportation, the MET value was the same across time so the p-value is not provided.