Table 1 Statistical analysis of G. holbrooki BSRs.

From: Adaptive sex allocation in anticipation of changes in offspring mating opportunities

Variable

χ 2

d.f.

P

Population (P)

1.69

2

0.43

Season (S)

93.65

1

<0.0001

Maternal length (M)

10.14

1

<0.01

P × S interaction

29.81

2

<0.0001

P × M interaction

0.82

2

0.66

S × M interaction

0.00

1

0.97

P × S × M interaction

3.49

2

0.17

  1. BSR, birth sex ratio.
  2. Drop-in-deviance tests are presented for a logistic regression of BSR weighted by brood size. Maternal length was centred and scaled for each season per population.
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