. 2014 Sep 8;14:930. doi: 10.1186/1471-2458-14-930

Table 2.

Nested regression models predicting Kessler 6 score from cancer status, CHIS 2005 (N = 42,879)

		Model 1			Model 2			Model 3			Model 4
Independent Variable^a	Level	b	Robust SE	p	b	Robust SE	p	b	Robust SE	p	b	Robust SE	p
Cancer	Yes	0.395	0.113	**	0.792	0.117	***	0.744	0.115	***	0.382	0.106	**
Gender	Female				0.507	0.056	***	0.427	0.055	***	0.425	0.055	***
Age	30-44				−0.337	0.084	***	−0.239	0.083	**	−0.243	0.083	**
	45-59				−0.265	0.085	**	−0.132	0.086		−0.140	0.086
	60 and over				−1.202	0.102	***	−1.332	0.104	***	−1.325	0.103	***
Years of education					−0.123	0.011	***	−0.077	0.011	***	−0.076	0.010	***
Currently insured	Yes				−0.357	0.093	***	−0.162	0.095		−0.175	0.096
Race	Black				0.565	0.152	***	0.351	0.148	*	0.251	0.151
	Latino				−0.267	0.081	**	−0.436	0.083	***	−0.509	0.086	***
	Asian				0.083	0.088		−0.028	0.091		−0.061	0.093
	Multiracial				0.734	0.172	***	0.649	0.172	***	0.632	0.176	**
	Other				0.913	0.299	**	0.805	0.294	**	0.636	0.294	*
Household income^b								−0.009	0.000	***	−0.009	0.000	***
Race*Cancer	Black*Cancer										1.484	0.590	*
	Latino*Cancer										1.460	0.365	***
	Asian*Cancer										0.263	0.402
	Multiracial*Cancer										0.031	0.525
	Other *Cancer										2.435	1.989
Constant		3.357	0.027	***	4.909	0.194	***	4.916	0.192	***	4.959	0.192	***
Model Statistics
F		12.260		***	36.720		***	62.730		***	44.660		***
df		1,79			12, 68			13, 67			18, 62
R²		0.001			0.032			0.047			0.048
Model Comparison^c
F					37.190		***	338.220		***	2.540		*
df					10, 70			1, 79			4, 76

Note: b = beta coefficient; SE = standard error; AA = African American; * ≤ .05. ** ≤ .01.*** ≤ .001.

^aReference categories: cancer = no; age = 18-29; currently insured = no; race = non-Hispanic White; Cancer*Race = no cancer*non-Hispanic White.

^bIn thousands of dollars.

^cModel 2 compared to Model 1; Model 3 compared to Model 2; Model 4 compared to Model 3.