Table 1.

Effects of mean temperature at the same and a previous year and parental age at reproduction on annual offspring birth sex ratio, while accounting for the autocorrelation of residuals by third-order moving-average (MA) term. (Model R²=0.1.)

	β(±s.e.)	t	p
temperature	0.023 (±0.007)	3.23	0.001
temperature t−1	−0.014 (±0.007)	−2.00	0.045
parental age at reproduction	0.006 (±0.005)	1.23	0.22
MA(3)	−0.189 (±0.084)	−2.25	0.025