Background papers relating to dietary habits survey Various tables and notes relating to calculating the food value of dietary habits of Whitehall Study volunteers, including: list of food and drink items, with equivalent coding for computer analysis; list of food and drink items showing quantity of carbohydrates, fat and protein per portion; blank dietary questionnaires, including a food diary produced by the University of Illinois Health Survey; notes and table relating to results of the survey. File also includes draft survey circulars for the borderline diabetes survey. 1967-1970