Research Article

The Association of Sleep Duration and the Use of Electronic Cigarettes, NHANES, 2015-2016

Table 2

Bivariate analysis of electronic cigarette use with sample variables, NHANES 2015-2016, .

Current electronic cigarette useFormer electronic cigarette useNever electronic cigarette use value
NumberWeighted percentageNumberWeighted percentageNumberWeighted percentage

Electronic cigarette use1917.145717.9224175.0
Cigarette use<0.0001
 Current use11664.925455.62569.5
 Former use3620.49423.235018.5
 Never use3914.710921.2163572.0
Sex0.0084
 Female7639.421851.1120251.7
 Male11560.623948.9103948.3
Age in years<0.0001
 18-256028.312827.037514.8
 26-448042.918640.487439.5
 45-655128.914332.699245.7
Race/ethnicity0.0604
 Non-Hispanic white7763.118666.156958.1
 Non-Hispanic black389.610512.152613.2
 Mexican American5215.410613.074618.4
 Other2411.9608.740010.3
Education<0.0001
 High school/less11357.422340.2104735.1
 More than high school7842.623459.8119464.9
Federal poverty level0.0002
 ≤200%11453.227048.1114136.4
 >200%7746.818751.9110063.6
Health insurance<0.0001
 Yes13776.333276.8176484.6
 No5423.712523.247715.4
Body mass index0.7431
 Under/normal6936.718741.884939.9
 Over/obese12163.326758.2131960.1
Alcohol use<0.0001
 No248.8559.776927.1
 Moderate5830.314631.966638.2
 Heavy8046.319144.644921.3
 Missing2914.66513.835713.5
Chronic disease10.0053
 Yes7642.016435.167928.2
 No11558.029364.9156271.8
Sleepiness<0.0001
 0-1/month4620.613330.0101841.2
 2-4/month6531.915935.270634.2
 ≥5/month8047.616534.851724.6
Snoring0.4828
 0-2/week10559.522052.1120259.7
 3-4/week2915.27918.437516.0
 5 or more times/week4825.312829.554024.3
Snorting0.0034
 0-2/week15184.237285.3191690.5
 3-4/week1811.0245.71175.0
 5 or more times/week134.8399.0904.5
Sleep duration for specific age2<0.0001
 Not recommended4119.9679.92769.4
 May be appropriate15080.139090.1196590.6

Abbreviations: wt%: weighted column percent; HS: high school. values indicate Rao-Scott chi-square test Pr>ChiSq for current/former/never electronic cigarette use. 1Chronic disease = positive response to having arthritis, cardiovascular disease, depression, emphysema, or diabetes. 2Based upon National Sleep Foundation (https://www.sleepfoundation.org/press-releasenational-sleep-foundation-recommends-new-sleep-times).