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. 2014 Aug 28;9(8):e105261. doi: 10.1371/journal.pone.0105261

Table 2. Statistics for mixed models.

Overall Model Effects
Group Time Group*Time
ChiSquare p F p F p F p
Cold Pressor
All (mixed) Fig. 1 347 <0.0001 20 <0.0001 22 <0.0001 3 <0.0001
Female Fig. 4 140 <0.0001 4 0.05 7 <0.0001 2160 <0.0001
Male Fig. 4 201 <0.0001 17 0.0001 16 <0.0001 2 <0.0001
Hand Grip
All (mixed) Fig. 2 8192 <0.0001 3 0.1 17 <0.0001 4 <0.0001
Female Fig. 5 952 <0.0001 2 0.2 6 <0.0001 1 0.1
Male Fig. 5 6238 <0.0001 1 0.3 13 <0.0001 3 <0.0001
Valsalva
All (mixed) Fig. 3 7529 <0.0001 0 1 105 <0.0001 1 0.3
Female Fig. 6 3261 <0.0001 0 1 20 <0.0001 3 <0.0001
Male Fig. 6 4449 <0.0001 0.3 0.6 80 <0.0001 0.7 0.9

Chi Square statistics and p value are reported for repeated measures ANOVA, implemented as a mixed linear model with group, time and group by time as effects of interest (SAS proc mixed).