Table 2. Random intercept models with perceived stress and relationship closeness predicting CDKN2A expression (N = 70).

Variables	Unadjusted model					Adjusted model
	b	SE	p	95% CI		b	SE	p	95% CI
Intercept	6.808	0.005	<.001	[6.798, 6.817]		6.796	0.009	<.001	[6.777, 6.814]
Perceived stress	0.016	0.005	.001	[0.007, 0.026]		0.018	0.005	<.001	[0.009, 0.028]
Relationship closeness	0.003	0.005	.47	[-0.006, 0.013]		0.002	0.005	.68	[-0.008, 0.012]
Perceived stress × Relationship closeness	-0.012	0.005	.02	[-0.023, -0.002]		-0.011	0.005	.04	[-0.021, -0.001]
Age						0.006	0.005	.22	[-0.004, 0.016]
Sex						-0.002	0.010	.84	[-0.023, 0.019]
Ethnicity/race						0.005	0.003	.09	[-0.001, 0.011]

Note. CI = confidence interval. All continuous variables were z-transformed.