Table 3. Physical activity characteristics of pregnant women attending antenatal care at Hanoi Obstetrics & Gynecology Hospital (n=234)

Variables	Frequency
	n	%
Exercise advise from a medical professional
No	104	44.4
Yes	130	55.6
Sources of information about exercise1)
Books and newspapers	81	40.5
Friends or relatives	140	59.8
Multi-media	100	50.0
Medical/health institutions	114	48.7
Public announcement	15	7.5
A habit of exercise before pregnancy
No exercise	110	47.0
Less than once a week	43	18.4
1–4 times/week	64	27.3
≥5 times/week	17	7.3
A habit of exercise while pregnant
I continued doing exercises	52	22.2
I stopped the exercises	121	51.7
I continued to exercise but slowed down	61	26.1
Fitness central nearby the living place
No	70	29.9
Yes	164	70.1
Preferred mode of exercise1)
Walking slowly	171	73.1
Walking quickly	7	3.0
Yoga	36	2.6
Prenatal exercise class	15	6.4
Running	3	1.3
Cycle	9	3.8
Other	43	18.3

Could choose more than one.