Variable: | OR | 95 % CI | P-value |
---|---|---|---|
Site: | |||
Carden | ref. | ||
Dyer's Bay | 1.86 | 0.49-7.15 | 0.364 |
Year of study (1–6): | 0.36 | 0.24-0.53 | <0.001 |
Clutch number: | |||
First clutch | ref. | ||
2nd clutch | 0.20 | 0.07-0.55 | 0.002 |
Cage type: | |||
Double | ref. | ||
Triple | 1.60 | 0.25-10.51 | 0.622 |
No. of fledglings in the brood | 2.54 | 1.68-3.85 | <0.001 |
No. of nestlings in the nest | 2.07 | 1.38-3.09 | <0.001 |
Birth year of breeding female | 0.83 | 0.66-1.05 | 0.119 |
Birth year of breeding male | 0.85 | 0.68-1.07 | 0.179 |
Breeding female age (years): | |||
log(female’s age) | 27.49 | 0.98-767.55 | 0.051 |
(log(female’s age)) 2 | 0.19 | 0.05-0.74 | 0.017 |
Breeding male age (years) | 0.80 | 0.63-1.02 | 0.068 |
Breeding outcome of female in previous year: | 0.397† | ||
Double-clutched | ref. | ||
Failed to breed | 0.18 | 0.02-1.72 | 0.135 |
Hatched the prior year | 0.43 | 0.05-3.68 | 0.443 |
Single clutch in year prior | 1.16 | 0.30-4.45 | 0.832 |
Unpaired | 7.54 | 0.09-654.40 | 0.375 |