average % change
	proactive culling area		areas surrounding cull
time period	central estimate (%)	95% confidence interval	central estimate (%)	95% confidence interval
during trial	−23	−12 to −33	+25	−1 to +56
after trial	−28	−15 to −39	−4	−26 to +24
entire period	−26	−19 to −32	+8	−14 to +35