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Table 1 Descriptive statistics for NHIS adult cohort from 1997 to 2000 used to estimate the BMI-mortality relation

From: Examining the BMI-mortality relationship using fractional polynomials

Survey Year 1997 1998 1999 2000 Total
Male
Sample Size 14460 13103 12147 12839 52549
# Deaths (5-year) 984 914 835 837 3570
Deaths/1000 persons 68.05 69.76 68.74 65.19 67.94
Age (Mean) 45.17 45.58 45.83 45.44 45.49
BMI Level (% Prevalence)      
   Normal: [18.5, 25) 37.14% 35.80% 35.11% 34.38% 35.66%
   Overweight: [25, 30) 43.78% 43.88% 43.49% 44.31% 43.87%
   Obese I: [30, 35) 14.10% 15.09% 15.49% 15.34% 14.97%
   Obese II: [35, 40) 3.49% 3.83% 4.16% 4.28% 3.92%
   Obese III: 40+ 1.49% 1.40% 1.75% 1.70% 1.58%
Ever Smoker 56.20% 55.39% 54.91% 53.06% 54.93%
Female
Sample Size 18210 15928 15340 15934 65412
# Deaths (5-year) 1002 926 845 858 3631
Deaths/1000 persons 55.02 58.14 55.08 53.85 55.51
Age (Mean) 46.80 47.36 47.35 47.08 47.13
BMI Level (% Prevalence)      
   Normal: [18.5, 25) 49.75% 48.17% 47.37% 46.69% 48.06%
   Overweight: [25, 30) 28.90% 29.36% 29.69% 29.32% 29.30%
   Obese I: [30, 35) 13.45% 14.04% 14.49% 14.68% 14.14%
   Obese II: [35, 40) 4.87% 5.20% 5.11% 5.62% 5.19%
   Obese III: 40+ 3.03% 3.22% 3.34% 3.69% 3.31%
Ever Smoker 40.96% 40.98% 40.23% 39.63% 40.47%