Table 3.
Comparison of some characteristics of females aged <4 and >4 years as well as those of their offspring
| Variable | Comparison between young and old mothers | |
|---|---|---|
| Maternal characteristics | ||
| Fecundity (101) | F991 = 1.07 | P = 0.30 |
| Corpulence after parturition (101) | F991 = 0.02 | P > 0.50 |
| Offspring characteristics | ||
| Male juvenile survival (309) | χ1df2 = 0.10 | P > 0.50 |
| Female juvenile survival (325) | χ1df2 = 0.28 | P > 0.50 |
| Juvenile endurance (322) | F3191 = 0.22 | P > 0.50 |
| Juvenile speed (512) | F5091 = 1.29 | P = 0.26 |
| Male juvenile corpulence (309) | F3031 = 0.81 | P = 0.37 |
| Female juvenile corpulence (325)* | F3154 = 2.88* | P = 0.02 |
| Sensitivity to odor cues (19) | χ1df2 = 4.68 | P = 0.03 |
Sample sizes are given within brackets.
*
The interaction between the mother’s age and time was significant, not the main effect of the mother’s age. In all other cases, interaction terms involving age were not significant.