Table 1. Distribution of the women with breast cancer according to quality and duration of sleep, presence of depression and prognostic factors, as a function of the clinical progression. (n=114). Campinas, SP, Brazil, 2013-2014.

Variable		Poor clinical progression
		No			Yes
		N	%		N	%
Sleep quality
	Good quality	43	86.0		07	14.0
	Bad quality	54	84.4		10	15.6
Sleep duration
	<6 or >9 hours	28	73.7		10	26.3
	>6 and <9 hours	69	90.8		07	9.2
Depression
	Without depression	47	90.4		05	9.6
	With depression	50	80.7		12	19.4
Stage*
	I	22	84.6		04	15.4
	II	49	87.5		07	12.5
	III	26	81.3		06	18.8
HER2† status
	Negative	49	86.0		08	14.0
	Positive	48	84.2		09	15.8
Estrogen receptor
	Negative	19	79.2		05	20.8
	Positive	78	86.7		12	13.3
Progesterone Receptor
	Negative	26	83.9		05	16,1
	Positive	71	85.5		12	14.5
Lymphatic invasion
	Negative	33	86.8		05	13.2
	Positive	64	84.2		12	15.8

*According to the UICC TNM Classification, 2004

†Human Epidermal growth factor Receptor-type 2