NATIONAL                                        36%
   By gender:
      Men                                       33%
      Women                                     37%
   By age:
      18-29                                     35%
      30-49                                     38%
      50-64                                     37%
      65+                                       29%
   By race/ethnicity:
      White (non-Hisp)                          36%
      Black (non-Hisp)                          36%
      Hispanic                                  33%
   By HH income:
      <$20K                                     34%
      $20-29.9K                                 37%
      $30-49.9K                                 41%
      $50-74.9K                                 35%
      $75K+                                     34%
   By education:
      <HS Grad                                  30%
      HS Grad                                   36%
      Some college                              38%
      College Grad                              37%
   By region:
      East                                      38%
      MW                                        37%
      South                                     34%
      West                                      34%
   By urban/rural:
      Urban                                     39%
      Suburban                                  33%
      Rural                                     37%
   By party ID:     
      Republican                                37%
      Democrat                                  32%
      Independent                               36%
   By use of supplements:
      Regular                                   57%
      Sometimes                                 47%
      Hardly ever/Never                         27%