Such inclusion criteria were set in order to understand the frequency consumption of protein supplements in people involved in resistance training.
When the FFQ was completed, subjects indicated the average frequency of consumption of the reported amount of each food item.
The participants did not report problems in remembering the frequency of consumption of the selected food items when still living at home.
The different types of tap water use, the frequency of consumption of the different food types, duration of residency in the town, and age at arrival in the community did not enter into the model.
For dairy products, we created a dairy score, representing servings of dairy products per day, by summing the frequency of consumption of the seven dairy products, and categorised men into approximate quartiles (Table 1).
When groups are (nearly) universally exposed or a more specific hypothesis cannot be tested, often the best one can do is to establish a "dose-response-relationship" [ 22], i.e., unravel differences in the frequency of consumption of the incriminated food between cases and controls.
Processed food items were examined individually and as a sum of the frequency of consumption of any of the five items.
Dietary intake of fat, energy, phytoestrogen, and calcium was estimated by summing the product of the frequency of consumption of each food, the reported serving size, and the energy or nutrient content per serving.
Participants had nine choices to indicate the frequency of consumption of each of the 134 foods from 'never or less than once a month' to '6+ times per day'.
Participants were asked to estimate their monthly frequency of consumption of each of the wild taxa and of the wild game overall.
