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Table 1 Selected age-adjusted baseline characteristics among adults aged > = 20 years, by mortality status, National Health and Nutrition Examination Survey 1999-2002

From: Combined television viewing and computer use and mortality from all-causes and diseases of the circulatory system among adults in the United States

  Total (N = 7350) Deceased (N = 542) Survivors (N = 6808)  
Characteristics Mean or% (95% CI) Mean or% (95% CI) Mean or% (95% CI) P
Age (years) 45.3 (44.6, 46.0) 66.9 (64.7, 69.0) 44.3 (43.6, 45.0) < 0.001
Men,% 49.2 (48.1, 50.2) 64.3 (51.5, 75.3) 48.6 (47.4, 49.7) 0.013
Whites,% 73.3 (69.4, 76.8) 63.5 (53.0, 72.9) 73.4 (69.5, 77.0) 0.050
> High school,% 53.1 (50.2, 56.0) 32.2 (23.1, 42.9) 53.7 (50.8, 56.6) < 0.001
Current smoker,% 24.1 (22.2, 26.1) 33.7 (23.9, 45.1) 23.5 (21.6, 25.6) 0.075
Leisure-time physical activity (min/month) 321.1 (285.1, 357.2) 310.3 (6.6, 613.9) 326.3 (289.6, 362.9) 0.914
Alcohol intake (g) 11.6 (10.1, 13.1) 10.6 (2.9, 18.3) 11.6 (10.1, 13.2) 0.775
Healthy Eating Index score 63.7 (62.9, 64.5) 58.9 (56.8, 60.9) 63.9 (63.0, 64.7) < 0.001
Body mass index (kg/m2) 27.9 (27.6, 28.2) 29.3 (27.5, 31.0) 27.9 (27.6, 28.2) 0.138
Systolic blood pressure (mm Hg) 123.1 (122.3, 123.9) 122.8 (119.0, 126.6) 123.0 (122.2, 123.8) 0.926
High-density lipoprotein cholesterol (mg/dl) 50.9 (50.1, 51.7) 46.5 (43.7, 49.3) 50.9 (50.2, 51.7) 0.002
Non-high-density lipoprotein cholesterol (mg/dl) 152.2 (150.0, 154.3) 167.3 (147.1, 187.4) 151.9 (149.8, 154.1) 0.130
HbA1c (%) 5.4 (5.4, 5.5) 5.9 (5.6, 6.3) 5.4 (5.4, 5.5) 0.006
Excellent or very good health,% 54.7 (52.5, 56.9) 33.3 (24.8, 43.2) 55.8 (53.6, 58.0) < 0.001
Health insurance coverage,% 82.6 (80.8, 84.4) 80.4 (68.7, 88.4) 82.8 (80.9, 84.5) 0.637
Diagnosed diabetes,% 6.3 (5.7, 7.1) 16.1 (10.8, 23.2) 5.9 (5.1, 6.8) 0.003
History of cardiovascular disease,% 8.3 (7.5, 9.3) 26.3 (17.7, 37.3) 7.4 (6.6, 8.4) 0.001
History of cancer,% 7.9 (7.2, 8.7) 13.3 (8.9, 19.6) 7.5 (6.8, 8.4) 0.038
Screen time (hours per day)     0.025
   < 1 12.7 (11.5, 14.0) 5.8 (3.0, 11.0) 12.8 (11.6, 14.1)  
   1 16.4 (15.5, 17.3) 10.2 (5.4, 18.3) 16.5 (15.6, 17.3)  
   2 27.8 (26.1, 29.5) 34.7 (26.0, 44.6) 28.0 (26.3, 29.7)  
   3 18.7 (17.6, 19.9) 20.7 (11.1, 35.4) 18.6 (17.3, 19.9)  
   4 10.9 (10.1, 11.9) 7.1 (4.0, 12.3) 11.0 (10.2, 12.0)  
   > = 5 13.5 (12.6, 14.4) 21.5 (13.8, 32.0) 13.1 (12.3, 14.1)  
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