. Author manuscript; available in PMC: 2015 Feb 1.

Published in final edited form as: Horm Behav. 2013 Oct 17;65(2):179–187. doi: 10.1016/j.yhbeh.2013.10.006

Table 3.

Results of repeated-measures LMM examining predictors of average testosterone response to LH or GnRH challenge (injection type) in male Carolina and white-winged juncos (population). Significant predictor is indicated in bold.

Factor	F	df	p
Injection Type	1.061	1, 43.4	.309
Population	1.514	1, 37.6	.226
Testis Mass	10.928	1, 37.4	.002
Testicular LHR mRNA abundance	2.700	1, 37.3	.109
Population * Testis Mass	1.712	1, 37.4	.199
Population * Testicular LHR mRNA abundance	.224	1, 37.3	.638
Gonad Mass * Testicular LHR mRNA abundance	2.307	1, 37.2	.137
Population * Testis Mass * Testicular LHR mRNA abundance	.433	1, 37.2	.514