. 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 1.

Relative risks of death for males 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	3.54^**	2.27^*	4.18^***	3.31^**	4.94^***	4.18^***	5.53^***	5.57^***
	75	2.94^**	5.81^***	2.87^**	4.55^***	4.51^***	6.22^***	15.2^***	6.35^***
	50	1.91	2.19	4.91^***	5.85^***	3.18^**	10.2^***	4.97^***	4.91^***
	25	2.80^*	2.22	2.45^*	4.10^**	3.31^**	4.98^***	3.73^**	2.61^*
	10	2.82^*	2.60^*	2.26^*	3.91^**	3.51^**	4.04^**	3.18^**	2.36^*
9:1	100	1.58	1.79	2.60^*	4.64^***	4.51^***	5.19^***	7.67^***	5.71^***
	75	1.38	1.39	1.52	2.69^*	3.29^**	6.11^***	3.58^**	3.00^**
	50	1.20	1.24	1.52	2.89^**	1.42	2.45^*	3.25^**	2.96^**
	25	1.20	1.20	1.60	2.49^*	2.62^*	2.02	4.70^***	1.47
	10	1.47	2.60^*	3.69^**	2.40^*	3.09^**	1.37	3.22^**	1.06
3:1	100	1.46	1.45	1.46	5.35^***	3.55^**	2.98^**	2.94^**	3.45^**
	75	Reference	1.24	1.82	3.70^**	3.04^**	2.57^*	3.78^**	2.42^*
	50	1.00	1.11	3.31^**	2.70^*	1.46	6.60^***	3.14^**	2.91^**
	25	1.14	1.14	1.82	2.26^*	5.02^***	2.33^*	6.49^***	2.14^*
	10	1.26	2.33^*	7.92^***	9.36^***	2.98^**	2.04	7.79^***	1.87

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.