Table 2.

Univariate Hazard Ratios and 95% CIs for mortality by sociodemographic and health characteristics

Characteristic	N	% deaths	Crude HR	95% CI	p-value
Age					< 0.001
65-69	229	35.8	1.0
70-74	215	54.0	1.74	(1.31;2.30)
75-79	191	71.7	2.83	(2.15;3.73)
80-84	150	87.3	4.55	(3.44;6.01)
85+	118	95.8	7.91	(5.91;10.58)
Sex					0.001
Men	476	71.2	1.53	(1.30;1.81)
Women	427	56.2	1.0
Marital status					< 0.001
Widow	316	71.5	1.46	(1.23;1.72)
Married	587	60.1	1.0
Education					0.035
Illiterate	137	72.3	1.46	(1.11;1.91)
At least read and write	270	63.7	1.16	(0.91;1.48)
Incomplete primary	317	63.7	1.07	(0.85;1.36)
Primary and more	179	59.2	1.0
Number of chronic diseases					0.022
Zero or one	153	56.2	1.0
Two or three	365	64.4	1.25	(0.98;1.60)
Four to five	277	64.6	1.25	(0.97;1.62)
Six and more	108	73.1	1.62	(1.19;2.20)
Cognitive function score					< 0.001
<23	211	78.7	1.78	(1.49;2.14)
≥24	692	59.7	1.0
ADL disability					< 0.001
Yes	220	79.1	1.85	(1.55;2.21)
No	683	59.3	1.0
Smoking					0.001
Never	520	59.2	1.0
Ex-smoker	287	71.4	1.38	(1.15;1.64)
Current Smoker	95	68.4	1.30	(0.99;1.70)
Physical exercise					< 0.001
Vigorous	23	21.7	0.15	(0.06;0.36)
Moderate	632	60.3	0.57	(0.48;0.68)
Light	245	77.6	1.0