Table 4B.

Bivariate and full logistic regressions predicting tendency to remain married (Study 4).

Measures	Bivariate model			Full model
	OR	95% CI	% R2a	OR	95% CI	% R2a
Grit	1.04	[0.98, 1.11]	0.00	–	–	–
Grit (for females)	–	–	–	0.95	[0.86, 1.04]	–
Grit (for males)	–	–	–	1.17*	[1.00, 1.36]	–
Big Five extraversion	0.96	[0.90, 1.02]	0.04	–	–	–
Big Five agreeableness	0.87***	[0.82, 0.92]	0.25	0.99	[0.93, 1.06]	0.00
Big Five conscientiousness	1.08*	[1.02, 1.15]	0.29	1.18**	[1.07, 1.29]	0.27
Big Five emotional stability	1.05	[0.98, 1.11]	0.00	–	–	–
Big Five openness to experience	0.76***	[0.71, 0.81]	1.78	0.81***	[0.76, 0.87]	0.81
Female	0.33	[0.28, 0.38]	5.80	0.34***	[0. 29, 0.40]	–
Age	0.55***	[0.51, 0.60]	6.22	0.55***	[0.51, 0.60]	5.00
Asian	2.26	[1.54, 3.32]	0.51	1.19	[0.80, 1.77]	0.02
Hispanic	0.85	[0.62, 1.15]	0.00	0.73	[0.53, 1.01]	0.08
Black	0.83	[0.52, 1.31]	0.02	0.64	[0.39, 1.04]	0.06
Other	0.86	[0.62, 1.18]	0.02	0.73	[0.52, 1.03]	0.07
Some high school	0.64	[0.34, 1.23]	0.04	0.45*	[0.23, 0.91]	0.10
Finished high school	0.96	[0.62, 1.48]	0.00	0.81	[0.51, 1.29]	0.02
Some college	0.61***	[0.51, 0.73]	0.69	0.58***	[0.48, 0.71]	0.00
Associate degree	0.57***	[0.44, 0.74]	0.42	0.56***	[0.43, 0.74]	0.34
Bachelor degree	1.19*	[1.04, 1.36]	0.16	0.92	[0.79, 1.07]	0.03

N = 6362.

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.

^aThe Nagelkerke index was used to compute Pseudo R².