. Author manuscript; available in PMC: 2013 Aug 1.

Published in final edited form as: Behav Brain Res. 2012 May 23;233(2):280–287. doi: 10.1016/j.bbr.2012.05.022

Table 1.

Summary of correlations between retest and original nicotine preference. The Pearson-moment correlation coefficient was calculated for inbred strains originally tested at each age for nicotine preference

		C3H			C57
		10 μg/ml	20 μg/ml	30 μg/ml	10 μg/ml	20 μg/ml	30 μg/ml
		10 μg/ml	20 μg/ml	30 μg/ml	10 μg/ml	20 μg/ml	30 μg/ml	Early Adolescent	Pearson Correlation	.234	.034	−.043	−.115	−.249	−.445*
Sig. (2-tailed)	.250	.870	.836	.593	.231	.026
N	26	26	26	24	25	25
Middle Adolescent	Pearson Correlation	.502**	.467**	.401*	.437**	.368*	.119
	Sig. (2-tailed)	.001	.003	.012	.005	.021	.470
	N	38	38	38	39	39	39
Late Adolescent	Pearson Correlation	.217	.100	.336*	−.098	.079	−.406
	Sig. (2-tailed)	.191	.549	.039	.680	.741	.076
	N	38	38	38	20	20	20
Adult	Pearson Correlation	.203	.434	.547*	.405	.353	.329
	Sig. (2-tailed)	.404	.064	.015	.096	.151	.182
	N	19	19	19	18	18	18