. Author manuscript; available in PMC: 2010 Nov 1.

Published in final edited form as: Exp Gerontol. 2009 Aug 27;44(11):718–726. doi: 10.1016/j.exger.2009.08.007

Table 2.

Relative risks of death for females from selected cohorts according to the dietary restriction treatment.

DR		Cohorts

SY	CR, %	Jul 23	Jul 26	Nov 15	Jan 14	Feb 22	Apr 8	May 4	Aug 5
24:1	100	4.29^***	3.75^**	9.79^***	1.63	4.09^**	8.90^***	6.22^***	7.81^***
	75	1.99	3.70^**	4.40^***	4.91^***	2.49^*	5.38^***	5.57^***	4.42^***
	50	1.59	3.59^**	4.62^***	6.07^***	2.07	4.28^***	2.86^*	4.63^***
	25	1.87	2.48^*	3.32^**	3.40^**	1.74	4.90^***	4.42^***	2.56^*
	10	2.14	5.98^***	3.62^**	6.59^***	2.33^*	6.46^***	6.13^***	3.19^**
9:1	100	1.28	2.07	2.76^*	3.96^**	1.71	2.81^*	5.20^***	9.93^***
	75	1.28	2.08	1.87	2.21	1.40	1.77	3.83^**	4.03^***
	50	1.20	Reference	1.99	3.19^**	1.87	2.66^*	3.34^**	5.24^***
	25	0.93	1.70	4.61^***	2.96^**	1.23	1.42	2.04	2.94^**
	10	4.77^***	19.7^***	3.43^**	6.13^***	1.43	2.02	9.25^***	1.74
3:1	100	3.03^**	2.82^*	2.88^*	6.23^***	2.94^**	5.82^***	5.18^***	5.70^***
	75	3.41^**	4.14^**	4.48^***	2.90^**	3.44^**	3.32^**	5.00^***	4.60^***
	50	2.00	2.97^**	3.53^**	4.30^***	1.85	3.54^**	3.50^**	7.85^***
	25	1.95	4.22^***	4.24^***	5.77^***	2.35^*	2.70^*	3.89^**	4.67^***
	10	10.9^***	181.1^***	9.29^***	11.5^***	113.6^***	5.72^***	4.28^***	2.71^**

0.01<p<0.05

^**

0.0005<=p<=0.01

^***

p<0.0005

SY=sugar and yeast composition; CR=caloric restriction; DR=SY and CR.

Bold font denotes risks which are significantly larger compared to the risks for the CR=100% diet as evaluated for samples stratified by cohort and SY (i.e., within SY levels) treatment in separate Cox regressions.