. Author manuscript; available in PMC: 2021 Apr 30.

Published in final edited form as: Eur J Cardiovasc Nurs. 2019 Mar 13;18(5):410–417. doi: 10.1177/1474515119836567

Table 3.

Baseline predictors of appetite at 18 months, based on univariate and multiple linear regression analyses.

		Step I – univariate linear regression			Step II – multiple linear regression
	n	B	b	p-value	B	b	p-value
Self-reported physical activity	116	0.373	0.207	0.026	0.283	0.157	0.110
Age					−0.025	−0.086	0.389
NYHA					−0.928	−0.138	0.166
BNP					−0.001	−0.053	0.588
		F(1, 114) = 5.101, p = 0.026, R² = 0.043			F(4, 111) = 2.398, p = 0.054, R² = 0.080
Total energy expenditure (kcal)	116	0.001	0.196	0.035	0.001	0.152	0.145
Age					−0.002	−0.009	0.936
NYHA					−1.236	−0.184	0.052
BNP					−0.001	−0.048	0.630
		F(1, 114) = 4.539, p = 0.035, R² = 0.038			F(4, 111) = 2.280, p = 0.065, R² = 0.076
Active energy expenditure (kcal)	116	0.003	0.220	0.018	0.002	0.154	0.118
Age					−0.016	−0.056	0.575
NYHA					−1.016	−0.151	0.121
BNP					−0.001	−0.43	0.667
		F(1, 114) = 5.802, p = 0.018, R² = 0.048			F(4, 111) = 2.369, p = 0.057, R² = 0.079
Number of steps	116	0.0003	0.377	<0.001	0.0003	0.347	0.001
Age					−0.001	−0.003	0.979
NYHA					−0.547	−0.081	0.395
BNP					0.000	0.007	0.940
		F(1, 114) = 18.888, p<0.001, R² = 0.142			F(4, 111) = 4.813, p = 0.001, R² = 0.148
METs daily average	116	4.163	0.269	0.003	3.185	0.206	0.040
Age					−0.016	−0.054	0.582
NYHA					−0.793	−0.118	0.236
BNP					−0.001	−0.046	0.637
		F(1, 114) = 8.907, p = 0.003, R² = 0.072			F(4, 111) = 2.855, p = 0.027, R² = 0.093
Six-minute walk test (meters)	103	0.005	0.254	0.010	0.003	0.161	0.175
Age					−0.020	−0.69	0.514
NYHA					−0.931	−0.135	0.219
BNP					0.000	−0.031	0.771
		F(1, 101) = 6.952, p = 0.010, R² = 0.064			F(4, 98) = 2.218, p = 0.073, R² = 0.083

B: unstandardized regression (slope) coefficient; b: standardized regression (slope) coefficient; BNP: B-type natriuretic peptide; NYHA class: New York Heart Association Classification; METs: metabolic equivalents.