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Table 3 Latency until mating

From: Experimental evolution under hyper-promiscuity in Drosophila melanogaster

Test Male typea Female typea Generation Mating number Risk ratio, SPR-: control (95 % CI) χ P
(a) Effects of SPR- deficiency in males SPR- or C WT N/A 1st 2.1 (1.0, 4.3) 4.2 0.04
    N/A 1st 1.6 (1.0, 2.7) 3.7 0.055
    N/A 5th 2.4 (1.4, 4.2) 9.7 0.002
Experimental evolution of malesb SPR- or C WT 16 1st 2.7 (2.0, 3.6) 43.3 <0.0001
    36 1st 1.0 (0.8, 1.2) 0.0 0.82
    36 5th 0.8 (0.6, 1.0) 4.2 0.04
(b) Effects of SPR- deficiency in females WT SPR- or C N/A 1st 0.8 (0.5, 1.3) 0.9 0.35
Experimental evolution of females WT SPR- or C 26 1st 0.7 (0.5, 0.9) 5.4 0.02
(c) Effects of SPR- deficiency in within-treatment pairs SPR- or C SPR- or C N/A 1st 7.4 (3.5, 16.3) 27.6 <0.0001
Experimental evolution in within-treatment pairs SPR- or C SPR- or C 26 1st 3.4 (2.4, 4.8) 47.6 <0.0001
  1. aMales and females were SPR- or genetically matched controls (C), or wild-type (WT)
  2. bFull model details for generation 36 are given in Additional file 1 (Table S1)
  3. Effects of the SPR- deficiency itself in unselected flies, or experimental evolution in SPR- and control populations, on latency until a first mating by (a) experimental males (mating for the first or fifth time) paired with wild-type females, (b) experimental females paired with wild-type males, or (c) experimental males and females paired within treatment and replicate population. Risk ratios > 1 indicate that SPR- males were faster to mate; values < 1 indicate control males were faster