The researchers were also not able to account for every possible lifestyle variable that might contribute to these results. (sciencedaily.com)
Another major issue is that important confounding lifestyle variables were not accounted for. (articles.mercola.com)
The influence of fatness, weight change, slimming history and other lifestyle variables on diet reporting in Danish men and women aged 35 - 65 years. (completehumanperformance.com)