Table 5.

Multilevel Models Predicting Well-Being for People Living With a Partner (vs. a Comparison Group: People Not in a Romantic Relationship and People Not Living With Their Romantic Partners)

Predictor	Sample A (N = 649)				Sample B (N = 544)
	b	95% CI	SE	p	b	95% CI	SE	p
Change in well-being during pandemic onset (T1 to T2)a
Intercept	51.85	[49.56, 54.14]	1.17	< .001	55.65	[52.94, 58.36]	1.38	< .001
Time	−0.42	[−0.78, −0.05]	0.19	.025	–0.41	[−0.65, −0.17]	0.12	.001
Partner	14.93	[11.50, 18.35]	1.74	< .001	13.92	[10.33, 17.51]	1.83	< .001
Time × Partner	−0.57	[−1.11, −0.03]	0.28	.037	0.18	[−0.14, 0.51]	0.16	.273
Linear change in well-being after pandemic onset (T2 through T7)
Intercept	49.77	[47.45, 52.10]	1.18	< .001	54.82	[52.02, 57.62]	1.43	< .001
Time	−0.02	[−0.10, 0.06]	0.04	.617	0.06	[−0.03, 0.14]	0.04	.175
Partner	15.30	[11.84, 18.76]	1.76	< .001	13.87	[10.15, 17.58]	1.89	< .001
Time × Partner	0.08	[−0.04, 0.19]	0.06	.199	–0.02	[−0.13, 0.09]	0.05	.689
Quadratic change in well-being after pandemic onset (T2 through T7)
Intercept	49.31	[46.87, 51.75]	1.24	< .001	54.66	[51.69, 57.64]	1.52	< .001
Time	−0.02	[−0.10, 0.06]	0.04	.675	0.06	[−0.02, 0.14]	0.04	.162
Time2	0.01	[−0.00, 0.02]	0.01	.130	0.00	[−0.01, 0.02]	0.01	.676
Partner	15.73	[12.11, 19.35]	1.84	< .001	13.79	[9.86, 17.73]	2.01	< .001
Time × Partner	0.07	[−0.04, 0.19]	0.06	.207	–0.02	[−0.12, 0.09]	0.05	.758
Time2 × Partner	−0.01	[−0.03, 0.01]	0.01	.331	0.00	[−0.01, 0.02]	0.01	.788
Average well-being after pandemic onset (T2 through T7)
Intercept	49.80	[47.49, 52.11]	1.18	< .001	54.72	[51.95, 57.50]	1.41	< .001
Partner	15.20	[11.76, 18.64]	1.75	< .001	13.96	[10.28, 17.65]	1.88	< .001

Note: CI = confidence interval; T1 = February 2020; T2 = March 2020; T7 = September 2020.

^aFor these analyses, sample sizes were 647 for Sample A and 543 for Sample B.