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) | Â | Â | Â | Â | Â |
   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) | Â | Â | Â | Â | Â |
   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% |