. Author manuscript; available in PMC: 2013 Mar 26.

Published in final edited form as: Horm Behav. 2010 Feb 19;57(4-5):474–480. doi: 10.1016/j.yhbeh.2010.02.005

Table 2.

Regression relationships between progesterone (P) and/or 3α,5α-THP in specific brain regions, and behavioral observations, in cocaine administered rats. Positive relationships are denoted by an up arrow, and negative by a down arrow.

Total entries
	Regression effect	Regression slope	Variance explained
Diencephalon	↑p, ↑Total entries	β= 53.03, t(83)=4.356^*	R² = 0.19, r(83)=0.43, p≤ 0.01^*
Hippocampus	↑P, ↑Total entries	β=167.5, t(83)=4.932^*	R²=0.23, r(83)=0.47, p≤0.01^*
Cortex	↑P, ↑Total entries	β=158.4, t(83) =4.281^*	R²=0.18, r(83)=0.43, p≤0.01^*
Midbrain	↑P, ↑Total entries	β=75.4, t(83)=4.394^*	R²=0.19, r(83)=0.44, p≤0.01^*
Serum	↓P, ↑Total entries	β=–146.2, t(83)=–2.763^*	R²=0.09, r(83)=0.29, p≤0.01^*
Time spent in the center Cortex	↓3α,5α-THP, ↑Center time	β=–5.3, t(83)=–2.637^*	R²=0.08, r(83)=0.28, p≤0.01^*

indicates significant, p< 0.05.