Table 2.

Comparing individuals randomized to invite partner to study, those with (n = 316) and without (n =326) partner response

	Partner Response			No Partner Response			Test Statistica	p-value	Effect size
Variable	n	M	SD	n	M	SD
Relationship characteristics
Relationship satisfaction	288	4.39	1.27	293	3.80	1.38	5.40	.00	0.45
Commitment - self	314	6.50	0.94	325	6.13	1.21	4.29	.00	0.34
Commitment - partner	315	6.51	0.90	323	6.03	1.31	5.37	.00	0.43
Break-up likelihood	316	1.71	0.92	324	2.19	1.11	5.95	.00	0.47
Psychological aggression	314	2.33	1.70	324	2.15	1.62	1.32	.19	0.11
Physical aggression	314	0.45	0.89	324	0.41	0.81	0.56	.58	0.05
Communication danger signs	316	1.63	0.49	324	1.71	0.51	1.98	.05	0.16
Individual characteristics
Anxious attachment	315	2.20	0.70	325	2.43	0.76	3.90	.00	0.32
Avoidance attachment	315	2.31	0.70	325	2.53	0.75	3.90	.00	0.30
General psychological distress	316	2.19	0.88	324	2.36	0.94	2.37	.02	0.19
Health	315	3.74	0.84	324	3.67	0.95	0.99	.32	0.08
Financial hardship	313	−0.04	0.78	323	−0.00	0.73	0.54	.59	0.05
Religiosity	313	3.91	1.65	325	4.14	1.70	1.74	.08	0.14
Childhood conflict	315	2.57	0.74	324	2.61	0.75	0.79	.43	0.05
Demographic characteristics
Gender (1=female)	316	0.54	n/a	326	0.72	n/a	20.73	.00	0.18
Race (1=white)	313	0.84	n/a	319	0.72	n/a	14.36	.00	0.15
Cohabitation status (1=yes)	316	0.42	n/a	326	0.22	n/a	28.69	.00	0.21
Engaged (1=yes)	315	0.23	n/a	323	0.15	n/a	4.23	.05	0.06
Length of relationship	315	37.64	34.32	323	32.12	34.18	2.03	.04	0.16
Years of schooling	316	8.47	2.20	324	8.29	2.25	1.01	.31	0.08
Age	315	25.42	4.72	322	25.34	4.68	0.23	.82	0.02
Children in home (1=yes)	316	0.31	n/a	326	0.34	n/a	0.68	.45	0.03
Employed (1=yes)	314	0.79	n/a	324	0.76	n/a	0.69	.45	0.03
Income – self	306	4.00	2.57	313	4.03	2.49	0.93	.89	0.01

^aT-test for continuous and ordinal variables; chi-square cross-tab statistic for binary variables.