Table 2.

HLM model explaining the relationship between cooperative behaviour and age on prosocial reputations.

	B (±s.e.)	z	p-value
constant	0.9 (0.1)	8.0	<0.001
age	−0.008 (0.002)	−4.0	<0.001
log-10 CFADs assisted	0.5 (0.2)	2.5	0.01
log-10 days assisting	−0.1 (0.2)	−0.6	0.5