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Table 2 The effect of reproductive status and body size on prey capture time among non-gravid and gravid female Centruroides sculpturatus , and females 28 days following offspring removal

From: Reproductive tradeoff limits the predatory efficiency of female Arizona Bark Scorpions (Centruroides sculpturatus)

Covariate

Wald

Exp (β)

df

P

Non-gravid females (n = 22) vs. Gravid females (n = 23)

Reproductive status

0.351

1.20

1

0.554

Body size (carapace length x width, mm2)

0.493

0.960

1

0.483

Chela size (length x width, mm2)

2.136

1.168

1

0.144

Non-gravid females (n = 22) vs. Females 28 days following offspring removal (n = 14)

Reproductive status

6.649

2.951

1

0.010

Body size (carapace length x width, mm2)

0.023

1.009

1

0.880

Chela size (length x width, mm2)

0.808

1.111

1

0.369

Gravid females (n = 23) vs. Females 28 days following offspring removal (n = 14)

Reproductive status

5.834

2.813

1

0.016

Body size (carapace length x width, mm2)

2.807

0.893

1

0.094

Chela size (length x width, mm2)

4.460

1.331

1

0.035

  1. Cox-Proportional Hazards Model.