Table 2 Annual change in relative telomere length (RTL) in dominants in relation to female helper presence
From: Breeders that receive help age more slowly in a cooperatively breeding bird
(a) Dominant female | (b) Dominant male | |||||||
|---|---|---|---|---|---|---|---|---|
Variable | Estimate | SE | t | P | Estimate | SE | t | P |
Intercept | −0.20 | 0.05 | −4.30 | <0.001 | −0.07 | 0.07 | −0.95 | 0.351 |
Initial RTL | −0.72 | 0.07 | −10.23 | <0.001 | −0.56 | 0.08 | −6.74 | <0.001 |
Age | 0.15 | 0.07 | 2.08 | 0.044 | −0.08 | 0.09 | −0.86 | 0.397 |
Territory quality | 0.00 | 0.07 | −0.04 | 0.971 | 0.12 | 0.08 | 1.46 | 0.150 |
Offspring produced (Y/N) | 0.03 | 0.07 | 0.38 | 0.709 | 0.08 | 0.08 | 0.96 | 0.341 |
Female helper (Y/N) | 0.45 | 0.12 | 3.73 | <0.001 | 0.03 | 0.10 | 0.25 | 0.802 |
Number of subordinates | −0.31 | 0.09 | −3.44 | 0.001 | −0.01 | 0.09 | −0.12 | 0.905 |
Random | Variance | 45 Observations | Variance | 74 Observations | ||||
|---|---|---|---|---|---|---|---|---|
Individual ID | <0.01 | 39 Individuals | 0.02 | 58 Individuals | ||||
Cohort | <0.01 | 18 Cohorts | 0.02 | 16 Cohorts | ||||
Year | <0.01 | 11 years | <0.01 | 9 years | ||||
Residual | 0.05 | 0.07 | ||||||
