. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: J Clin Nurs. 2013 Aug;22(0):2172–2182. doi: 10.1111/jocn.12280

Table 3.

Best predictive models of the domains and physical and mental components of health-related quality of life based on all subsets regression

	Parameter Statistics	PCS	MCS	PF	RP	BP	GH	VT	SF	RE	MH
Age	Beta	−.188^*	.056	−.200^**	−.142^*				−.051		.125^*
Age	p	.011	.334	.006	.041				.430		.026
Nonwhite^†	Beta				.145^*			.142^*
Nonwhite^†	p				.033			.013
Education	Beta	.021		.056
Education	p	.770		.421
Children	Beta	.076		.134
Children	p	.285		.053
BMI	Beta	−.180^*		−.128			−.187^**
BMI	p	.011		.063			.004
Married^‡	Beta		.049						0.54	.121
Married^‡	p		.509						.519	.108
Widowed^‡	Beta		.082						.180^*	.174^*
Widowed^‡	p		.274						.035	.021
HLD	Beta		−.066								−.048
HLD	p		.218								.393
HTN	Beta	.064									.006
HTN	p	.372									.905
BHE	Beta		.040	−.051	−.005		−.092	−.109	−.001	.019	.013
BHE	p		.517	.507	.952		.213	.099	.983	.767	.829
SPS	Beta		.171^**		−.011	.163^*	.049	.162^*	.061	.222^**	.131^*
SPS	p		.007		.887	.043	.523	.017	.393	.001	.042
PSS	Beta		−.528^**	−.156^*	−.213^*	−.045	−.262^**	−.425^**	−.492^**	−.414^**	−.520^**
PSS	p		.000	.042	.011	.590	.001	.000	.000	.000	.000
CLDSE	Beta		.025	.114	.157^*	.055	−.051	.008	.021	.133^*	.033
CLDSE	p		.664	.133	.046	.449	.472	.893	.755	.030	.590
Binge Eating	Beta		−.090			−.073	−.061	−.071	−.051	−.024	−.113
Binge Eating	p		.110			.312	.367	.243	.418	.680	.050
Physical Activity	Beta						.047	.118		.046
Physical Activity	p						.461	.035		.398
Mean energy	Beta						.285^*	.047			.068
Mean energy	p						.047	.416			.220
Mean fat(g)	Beta						−.408^**
Mean fat(g)	P						.005
Sleep	Beta						.160^**
Sleep	p						.012

	Cp	6	10	8	7	5	11	9	8	9	10
	MSE	48.76	65.20	156.95	335.23	383.44	285.46	268.25	311.94	273.40	188.69
	R²	.089	.479	.147	.133	.060	.261	.404	.323	.418	.461
	Adj R²	.064	.455	.115	.107	.041	.223	.380	.296	.395	.436

Only the predictors identified as the best possible subset based on the model selection criteria are presented in this table. PCS: Physical component score; MCS: Mental component score; PF: Physical functioning; RP: Role physical; BP: Bodily pain; GH: General health; VT: Vitality; SF: Social functioning; RE: Role emotional; MH: Mental health; HLP: hyperlipidemia; HTN: hypertension; BHE: Barriers to healthy eating; SPS: Social problem solving; PSS: Perceived stress; CLDSE: Cholesterol-lowering diet self-efficacy. Beta:standardized regression coefficient; Cp: Mallow’s Cp; MSE: mean squared error; R²: R squared; Adj R²: Adjusted R squared.

p < .05

^**

p < .01

^†

Race(White) is the reference group

^‡

single or divorced is the reference group.