Table 3

Fully adjusted multivariate regression model from analysis of the relationship between PA in total MET-min/week and maximal NC/C ratio (p values less than 0.05 are in bold)

Covariate	Effect estimate	SE	95% CI		P value
Covariate	Effect estimate	SE	Low	High	P value
Age (per SD: 7.68 years)	0.041	0.015	0.000	0.077	0.031
Sex (male)	−0.169	0.050	−0.267	−0.071	0.001
Ethnicity (Caucasian)	0.210	0.182	−0.148	0.568	0.249
Height (per SD: 9.26 cm)	−0.009	0.028	−0.065	0.037	0.610
BMI (per SD: 4.19 kg/m²)	−0.034	0.017	−0.071	0.000	0.054
SBP (per SD: 18.0 mm Hg)	−0.018	0.018	−0.072	0.018	0.344
DBP (per SD: 9.64 mm Hg)	−0.010	0.019	−0.058	0.029	0.640
HR (per SD: 11.7 bpm)	0.012	0.012	−0.023	0.047	0.476
Average household income before tax:
Less than £18 000	0.014	0.053	−0.089	0.117	0.788
£31 000–£51 999	−0.053	0.041	−0.134	0.027	0.192
£52 000–£100 000	−0.067	0.049	−0.163	0.029	0.170
Greater than £100 000	−0.005	0.073	−0.147	0.138	0.946
Degree level or professional education	−0.041	0.032	−0.105	0.022	0.204
Townsend deprivation index (per SD: 2.68)	−0.021	0.016	−0.054	0.011	0.178
Smoking status:
Never smoked	−0.028	0.078	−0.181	0.125	0.718
Previous smoker	−0.052	0.079	−0.208	0.103	0.509
Regular alcohol use	−0.021	0.032	−0.083	0.042	0.519
Diabetes mellitus	−0.082	0.070	−0.220	0.055	0.240
Cardiovascular disease	−0.014	0.058	−0.127	0.100	0.811
Hypertension	−0.084	0.057	−0.196	0.027	0.138
Antihypertensive use	0.017	0.064	−0.108	0.142	0.790
Statin use	0.002	0.044	−0.084	0.089	0.956
LVEDV (per SD: 33.3 mL/m²)	0.166	0.025	0.112	0.210	<0.001
LV mass (per SD: 24.1 g/m²)	−0.120	0.028	−0.174	−0.065	<0.001
LVEF (per SD: 5.91%)	−0.033	0.016	−0.064	−0.016	0.039
Total MET-min/week (per IQR: 3505 MET-min/week)	−0.001	0.019	−0.039	0.037	0.966

BMI, body mass index; DBP, diastolic blood pressure; LV, left ventricular; LVEDV, LV end-diastolic volume; LVEF, LV ejection fraction; MET, metabolic equivalent of task; NC/C, non-compaction/compaction; PA, physical activity; SBP, systolic blood pressure.