Table 3. Predicting diurnal change (Δ) in 2009 testosterone (T) from paternal sleep location^a.

	Diurnal ΔT
	Model 1	p	Model 2	p
Sleep location b
Roomsharers	−10.39±21.8	0.6	−8.62±21.9	0.7
Bedsharers	−34.41±14.0	0.02	−32.72±14.1	0.02
Fatherhood variables
Father of infantc			3.68±6.2	0.6
Number of children			−5.53±3.6	0.1
Hours of care per day			−0.27±0.7	0.7
Model R2	0.021		0.029

^avalues are β ± SE of ΔT adjusted for sampling time.

^bexcluded comparison group: fathers who slept separately from their children.

^cexcluded comparison group: fathers without an infant.