TABLE 3.

Linear regression models predicting relationship quality

	Relationship satisfaction			Relationship instability
	β	SE	p	β	SE	p
Step 1
Age	0.01	0.08	0.860	−0.06	0.01	0.265
Gender	−0.08	2.00	0.121	0.06	0.28	0.290
Raising kids	−0.04	1.86	0.499	0.00	0.26	0.935
Household income	0.00	0.29	0.942	−0.08	0.04	0.140
Mixed‐sex relationship	0.00	3.44	0.987	0.01	0.47	0.824
Step 2
Social desirability	0.12	0.42	0.026	−0.13	0.06	0.018
Step 3
Couple identity	0.71	0.41	<0.001	−0.46	0.11	<0.001
Partner liking	0.34	0.43	<0.001	−0.27	0.11	<0.001
Relationship orientation	0.23	0.42	<0.001	−0.10	0.11	0.021
Partner similarity	0.27	0.46	<0.001	−0.10	0.12	0.017

Note: Coefficients are provided for the step at which each variable was entered into the model.

Bolding indicated significant effects.