. Author manuscript; available in PMC: 2011 Jul 1.

Published in final edited form as: J Sex Res. 2010 Jul;47(4):330–344. doi: 10.1080/00224490903015850

Table 2.

Multilevel Hierarchical Model of Sex Partners’ Age Differences across Adolescence and Young adulthood.

	Step 1 B(SE)		Step 2 B(SE)		Step 3 B(SE)		Step 4 B(SE)
Age Difference at Age 14, π₀
Base, B₀₀	0.50(.45)		0.82(.50)	^*	0.81(.50)	^*	0.84(.50)	^*
Sex, B₀₁	1.77(.46)	^***	1.78(.47)	^***	1.79(.47)	^***	1.71(.47)	^***
HS Dropout, B₀₂	0.42(.21)	^**	0.50(.22)	^**	0.55(.22)	^**	0.60(.22)	^***
Mean linear growth per year, π₁
Base, B₁₀	−0.49(.32)		−0.44(.33)		−0.43(.33)		−0.59(.34)	^*
Sex, B₁₁	−0.31(.22)		−0.30(.22)		−0.29(.22)		−0.26(.22)
Mean squared growth per year, π₂
Base, B₂₀	0.12(.06)	^*	0.09(.07)		0.09(.07)		0.10(.07)
Sex, B₂₁	0.05(.02)	^**	0.05(.02)	^**	0.05(.02)	^**	0.04(.02)	^**
Mean cubed growth per year, π₃	−0.01(.003)	^**	−0.01(.004)		−0.01 (.004)		−0.01(.004)
Self-Acceptance, π₄
Base, B₄₀			−0.14(.13)		−0.14(.13)		−0.22(.13)
HS Dropout, B₄₁			−0.58(.30)	^*	−0.52(.30)	^*	−0.52(.30)	^*
Self-Acceptance × Age, π₅			0.03(.01)	^*	0.03(.01)	^**	0.04(.02)	^**
Alcohol Use Frequency, π₆
Base, B₆₀					−0.04(.02)	^*	−0.04(.02)	^*
HS Dropout, B₆₁					0.21(.03)	^***	0.21(.03)	^***
Number of Hours Worked, π₇							0.15(.05)	^***
Number of Hours Worked × Age, π₈							−0.02(.01)	^*

Model Fit (-2 LL)	12616.22		12558.21		12474.54		12442.33
Model Fit Difference (Δ df)			58.01 (2)^***		83.67 (1)^***		32.21 (2)^***

p < .10

^**

p < .05

^***

p < .01