		Prematurity
Variables	Terms	Yes (n = 255)	No (n = 1011)	p-value
Human activities	Audience	28	166	0.046
	Arts and crafts	38	132
	None	14	68
	Trade	61	229
	Farmer	66	190
	Private	48	226
Have an activity before the pregnancy of the woman	No	46	88	<0.001
Have an activity before the pregnancy of the woman	Yes	209	923	<0.001
Type of activities	Paid work with physical effort	88	291	0.006
	Paid work	36	229
	Housework	85	403
Activity during pregnancy	No	97	473	0.015
Activity during pregnancy	Yes	158	538	0.015
Home owner	Yes	97	235	<0.001
Home owner	No	158	776	<0.001