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Table 2 Results of OLS regression for all three traits, including population origin as a fixed effect and condition as a covariate. df = 379, except for spermatophore gland model 377

From: Impact of low sperm competition on male reproductive trait allometries in a bush-cricket

Trait Variable Estimate Std. error t value p value
log testes mass [mg] log hindleg length3 [mm] 0.258 0.065 3.958 < 0.00009
Condition 0.330 0.076 4.337 < 0.00002
log spermatophore gland mass [mg] log hindleg length3 [mm] 0.898 0.078 11.540 < 0.00001
Condition 18.987 6.310 3.009 0.028
log hindleg length3 [mm] x condition −1.556 0.572 −2.723 0.007
log subgenital plate width [mm] log hindleg length [mm] 0.414 0.057 7.301 < 0.00001
Condition 0.075 0.022 3.395 0.0008