marginally nonsignificantp = 0.07
These varying effects at different ages led to a significant interaction between IF and rIIS ( χ 2 = 5.12, df = 1, p = 0.02) with marginally nonsignificant interactions between rIIS and age ( χ 2 = 3.18, df = 1, p = 0.07) and between IF and age ( χ 2 = 3.10, df = 1, p = 0.08).