Project measure / variable:   Seburn2   stride_freq_R_M18

ID, description, units MPD:24881   stride_freq_R_M18   stride frequency, mean number of steps per second for rear paws   [Hz]  at age 18mo  
Data set, strains Seburn2   inbred   3 strains     sex: both     age: 78wks
Procedure gait analysis
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  STRAIN COMPARISON PLOT
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Seburn2 - stride frequency, mean number of steps per second for rear paws at age 18mo



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested3 strains3 strains
Mean of the strain means3.41   Hz 3.17   Hz
Median of the strain means3.34   Hz 3.20   Hz
SD of the strain means± 0.227 ± 0.301
Coefficient of variation (CV)0.0668 0.0948
Min–max range of strain means3.22   –   3.66   Hz 2.86   –   3.46   Hz
Mean sample size per strain5.3   mice 6.3   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 0.4624 0.4624 6.9914 0.0131
strain 2 1.4774 0.7387 11.1694 0.0003
sex:strain 2 0.3106 0.1553 2.3484 0.1134
Residuals 29 1.9179 0.0661


Q-Q normality assessment based on residuals

  


  STRAIN MEANS (UNADJUSTED)
  
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Strain Sex Mean SD N mice SEM CV Min, Max Z score
C57BL/10J f 3.34 0.325   6 0.133 0.0972 2.92, 3.9 -0.29
C57BL/10J m 2.86 0.222   7 0.0841 0.0777 2.57, 3.17 -1.04
DBA/2J f 3.22 0.298   5 0.133 0.0926 2.74, 3.46 -0.82
DBA/2J m 3.2 0.096   5 0.0429 0.03 3.08, 3.31 0.09
NON/ShiLtJ f 3.66 0.127   5 0.0568 0.0347 3.46, 3.77 1.11
NON/ShiLtJ m 3.46 0.326   7 0.123 0.0942 3.0, 3.83 0.95


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J f 3.34 0.104987293 3.5547231237 3.1252768763
C57BL/10J m 2.8614285714 0.0971993461 3.0602235552 2.6626335876
DBA/2J f 3.216 0.1150078173 3.4512173969 2.9807826031
DBA/2J m 3.198 0.1150078173 3.4332173969 2.9627826031
NON/ShiLtJ f 3.66 0.1150078173 3.8952173969 3.4247826031
NON/ShiLtJ m 3.46 0.0971993461 3.6587949838 3.2612050162


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J both 3.1007142857 0.0715367817 3.2470234322 2.9544051392
DBA/2J both 3.207 0.0813228075 3.3733238164 3.0406761836
NON/ShiLtJ both 3.56 0.0752902897 3.7139859323 3.4060140677




GWAS analysis not available: At least 4 strains are required