Association of daily composition of physical activity and sedentary behaviour with incidence of cardiovascular disease in older adults

Table 2 Relative importance of SB, LIPA & MVPA for incident CVD (N = 3319)

Ilr-coordinate^a	Model 1^b		Model 2^c
Ilr-coordinate^a	HR (95% CI)	P value	HR (95% CI)	P value
Rotation 1: relative importance of SB
\( {z}_1^1 \)(SB increase relative to LIPA and MVPA)	1.34 (1.01–1.79)	0.04*	1.24 (0.92–1.67)	0.16
\( {z}_2^1 \)(LIPA increase relative to MVPA)	1.21 (0.88–1.67)	0.25	1.16 (0.84–1.62)	0.36
Rotation 2: relative importance of LIPA
\( {z}_1^2 \)(LIPA increase relative to SB and MVPA)	1.02 (0.68–1.51)	0.93	1.02 (0.68–1.54)	0.91
\( {z}_2^2 \)(SB increase relative to MVPA)	1.42 (1.20–1.68)	< 0.0001*	1.30 (1.09–1.56)	0.004*
Rotation 3: relative importance of MVPA
\( {z}_1^3 \)(MVPA increase relative to SB and LIPA)	0.73 (0.60–0.89)	0.002*	0.79 (0.64–0.97)	0.02*
\( {z}_2^3 \)(SB increase relative to LIPA)	1.17 (0.80–1.72)	0.41	1.12 (0.75–1.66)	0.58

^aSee Methods in Additional file 1 for details of ilr coordinates z1 and z2 for all rotations
^bModel 1 is adjusted for age, sex, ethnicity, marital status, education, occupational position, alcohol consumption, smoking
status, and diet
^cModel 2 is additionally adjusted for body mass index, diabetes, hypertension, hyperlipidaemia, and multimorbidity index
* indicates statistically significance at p < 0.05
Abbreviations: CI confidence interval; CVD cardiovascular disease; HR hazard ratio; Ilr isometric log-ratio; LIPA light intensity
physical activity; MVPA moderate-to-vigorous physical activity; SB sedentary behaviour

ISSN: 1479-5868