Activity-to-sedentary ratio provides novel insight into mortality reduction among male survivors of cardiovascular disease in the United States: national health and nutrition examination survey, 2007–2014

Table 1 Baseline characteristics^a of adults aged 50–80 years by mortality status from NHANES 2007–2014

Characteristic	Total(n = 498)	Deceased(n = 60)	Survivor(n = 438)	P value
Age, years, mean ± SE	66.9 ± 0.1	74.0 ± 0.5	66.2 ± 0.1	0.005
Sex, % ± SE				0.361
Male	63.8 ± 0.4	70.6 ± 5.9	63.1 ± 0.2
Female	36.2 ± 0.4	29.4 ± 5.9	36.9 ± 0.2
Race/ethnicity, % ± SE				0.560
Hispanic/Mexican	6.4 ± 0.3	8.7 ± 4.5	6.2 ± 0.7
Non-Hispanic white	80.0 ± 0.7	73.2 ± 2.4	80.7 ± 1.0
Non-Hispanic black	8.0 ± 1.1	9.6 ± 0.8	7.9 ± 1.2
Other	5.5 ± 0.2	8.5 ± 5.5	5.2 ± 0.4
Education, % ± SE				0.502
Less than high school	16.3 ± 0.2	18.3 ± 6.6	16.1 ± 0.5
High school or equivalent	25.7 ± 2.8	32.4 ± 6.3	25.0 ± 2.8
College or above	58.0 ± 3.0	49.3 ± 10.5	58.9 ± 2.3
PIR, % ± SE				0.990
0.00–0.99	10.7 ± 2.6	10.6 ± 3.6	10.7 ± 3.2
1.00 or above	89.3 ± 2.6	89.4 ± 3.6	89.3 ± 3.2
Smoking status, % ± SE				0.413
Never	44.8 ± 2.5	32.5 ± 2.9	46.0 ± 2.7
Former	43.6 ± 0.5	55.6 ± 7.3	42.4 ± 0.9
Current	11.6 ± 2.7	11.8 ± 5.0	11.6 ± 3.5
BMI (Kg/m²), mean ± SE	29.2 ± 0.2	29.4 ± 0.3	29.2 ± 0.2	0.693
Hypertension, % ± SE				0.528
Yes	77.0 ± 2.4	82.1 ± 8.2	76.4 ± 1.9
No	23.0 ± 2.4	17.9 ± 8.2	23.6 ± 1.9
Diabetes, % ± SE				0.050
Yes	27.2 ± 1.2	39.3 ± 3.3	26.0 ± 1.3
No	72.8 ± 1.2	60.7 ± 3.3	74.0 ± 1.3
ST (h/d), mean ± SE	5.9 ± 0.1	6.5 ± 0.3	5.8 ± 0.1	0.169
LPA (MET-h/day), Median (IQR)	1.7(1.86)	1.1(1.43)	2.0(2.29)	0.579
ASR, Median (IQR)	0.36(0.54)	0.20(0.65)	0.36(0.61)	0.259

Abbreviations: BMI Body mass index, PIR Poverty-to-income ratio, ST Sedentary times, PA Physical activities, ASR Activity sedentary ratio, SE Standard error, IQR Interquartile range
^aData are shown as the weighted mean or frequency (SE) or Median (IQR) as appropriate
P-values indicate statistically significant differences if P < 0.05

ISSN: 1471-2458