Results: hungrymice.sas

Calorie restriction and Longevity in Mice

The FREQ Procedure

The FREQ Procedure

Table DIET

One-Way Frequencies

DIET
DIET Frequency Percent Cumulative
Frequency		 Cumulative
Percent
N/N85 57 16.33 57 16.33
N/R40 60 17.19 117 33.52
N/R50 71 20.34 188 53.87
NP 49 14.04 237 67.91
R/R50 56 16.05 293 83.95
lopro 56 16.05 349 100.00

Calorie restriction and Longevity in Mice

The MEANS Procedure

The MEANS Procedure

Summary statistics

Analysis Variable : LIFETIME LIFETIME
DIET N Obs N Mean Std Dev Minimum Maximum
N/N85 57 57 32.6912281 5.1252972 17.9000000 42.3000000
N/R40 60 60 45.1166667 6.7034058 19.6000000 54.6000000
N/R50 71 71 42.2971831 7.7681947 18.6000000 51.9000000
NP 49 49 27.4020408 6.1337010 6.4000000 35.5000000
R/R50 56 56 42.8857143 6.6831519 24.2000000 50.7000000
lopro 56 56 39.6857143 6.9916945 23.4000000 49.7000000

Calorie restriction and Longevity in Mice

Check Re-labeling of Diet

The FREQ Procedure

The FREQ Procedure

Table DIET * diet0

Cross-Tabular Freq Table

Frequency
Table of DIET by diet0
DIET(DIET) diet0
N/N85 N/R40 N/R50 NP R/R50 lopro Total
Feed at Will
0
0
0
49
0
0
49
N/N85
57
0
0
0
0
0
57
N/R40
0
60
0
0
0
0
60
N/R50
0
0
71
0
0
0
71
N/R50 lopro
0
0
0
0
0
56
56
R/R50
0
0
0
0
56
0
56
Total
57
60
71
49
56
56
349

Calorie restriction and Longevity in Mice

Main analysis

The GLM Procedure

The GLM Procedure

Data

Class Levels

Class Level Information
Class Levels Values
DIET 6 Feed at Will N/N85 N/R40 N/R50 N/R50 lopro R/R50

Number of Observations

Number of Observations Read 349
Number of Observations Used 349

Calorie restriction and Longevity in Mice

Main analysis

The GLM Procedure

Dependent Variable: LIFETIME Life Length in Months

Analysis of Variance

LIFETIME

Overall ANOVA

Source DF Sum of Squares Mean Square F Value Pr > F
Model 5 12733.94181 2546.78836 57.10 <.0001
Error 343 15297.41532 44.59888    
Corrected Total 348 28031.35713      

Fit Statistics

R-Square Coeff Var Root MSE LIFETIME Mean
0.454275 17.21323 6.678239 38.79713

Type I Model ANOVA

Source DF Type I SS Mean Square F Value Pr > F
DIET 5 12733.94181 2546.78836 57.10 <.0001

Type III Model ANOVA

Source DF Type III SS Mean Square F Value Pr > F
DIET 5 12733.94181 2546.78836 57.10 <.0001

Box Plot

Fit Plot for Life Length in Months by DIET

Calorie restriction and Longevity in Mice

Main analysis

The GLM Procedure

Means

DIET

LIFETIME

Distribution of LIFETIME by DIET

Distribution of LIFETIME by DIET

Means

Level of
DIET		 N LIFETIME
Mean Std Dev
Feed at Will 49 27.4020408 6.13370096
N/N85 57 32.6912281 5.12529723
N/R40 60 45.1166667 6.70340583
N/R50 71 42.2971831 7.76819471
N/R50 lopro 56 39.6857143 6.99169452
R/R50 56 42.8857143 6.68315191

Calorie restriction and Longevity in Mice

Main analysis

The GLM Procedure

Dependent Variable: LIFETIME Life Length in Months

Analysis of Variance

LIFETIME

Estimates

Parameter Estimate Standard
Error		 t Value Pr > |t| 95% Confidence Limits
Feed at Will vs. N/N85 5.28918725 1.30100640 4.07 <.0001 2.73023219 7.84814232
N/N85 vs. N/R50 9.60595503 1.18768248 8.09 <.0001 7.26989727 11.94201279
N/R50 vs. R/R50 0.58853119 1.19355007 0.49 0.6223 -1.75906755 2.93612992
N/R40 vs. N/R50 2.81948357 1.17109686 2.41 0.0166 0.51604814 5.12291900
N/R50 vs. N/R50 lopro 2.61146881 1.19355007 2.19 0.0293 0.26387008 4.95906755