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Table 2 Statistical results for GLMs testing the influence of a. temperature treatment and sampling locality on the percentage of male offspring; and b. temperature treatment and sampling locality climate group on the percentage of male offspring

From: Variation in rates of spontaneous male production within the nematode species Pristionchus pacificus supports an adaptive role for males and outcrossing

a.

Factor

Df

F value

P-value

Temperature

1

1.104

0.296

Sampling Locality

10

1.817

0.067

Temperature: Sampling Locality

5

4.918

<0.001 ***

b.

Factor

Df

F value

P value

Temperature

1

0.977

0.325

Climate Group

3

0.751

0.524

Temperature: Climate Group

2

4.918

0.002 **

  1. In a. temperature treatment, sampling locality and their interaction are defined as fixed effects and strain is included as a nested random effect. In b. temperature treatment, sampling locality climate group and their interaction are defined as fixed effects and strain is included as a nested random effect. Significant effects are indicated by asterisks: *, ** and *** indicate significance at the p < 0.05, p < 0.01 and p < 0.001 level