Table 3.

Survival According to Sociodemographic Characteristics (n=305)

Variable	No. of subjects	2-Year survival rate (%)a	5-Year survival rate (%)a	P-valueb
Age (yr)				0.03
< 65	208	68	48
≥ 65	97	56	28
Sex				0.62
Male	178	67	44
Female	127	61	38
With partner or spouse				0.89
Yes	111	65	45
Do not	194	63	33
Provenance zone				0.85
Urban	109	65	43
Rural	196	63	39
Level of education				0.02
Low	284	62	37
High	21	86	86c
Employment situation				0.34
Worker	163	70	42
Unemployed	142	58	36
Socioeconomic level				NAd
Low	295	63	38
High	10	99.9	99.9

^aKaplan-Meier method.

^bLog-rank test.

^cMaximum survival of 58 months.

^dNA: not applicable because some of the categories of the variables showed an expected value less than 5.