1Åstrom AN, Samdal O. Time trends in oral health behaviors among Norwegian adolescents: 1985–97. Acta Odontologica Scandinavica 2001; 59: 193–200.
2Johansson L. Development in Dietary Intake in Norway. Oslo: National Council for Nutrition and Physical Activity, 2002.
3Øverby NC, Andersen LF. Ungkost– 2002. Oslo: Directorate for Health and Social Affairs, 2002.
4Popkin BM, Nielsen SJ. The sweetening of the world's diet. Obesity Research 2003; 11: 1325–32.
5Gillman MW, Pinto BM, Tennstedt S, Glanz K, Marcus B, Friedman RH. Relationships of physical activity with dietary behaviors among adults. Preventive Medicine 2001; 32: 295–301.
6Kvaavik E, Meyer HE, Tverdal A. Food habits, physical activity and body mass index in relation to smoking status in 40–42 year old Norwegian women and men. Preventive Medicine 2004; 38: 1–5.
7Laaksonen M, Prattala R, Karisto A. Patterns of unhealthy behaviour in Finland. European Journal of Public Health 2001; 11: 294–300.
8James J, Thomas P, Cavan D, Kerr D. Preventing childhood obesity by reducing consumption of carbonated drinks: cluster randomised controlled trial. British Medical Journal 2004; 328: 1237.
9Ludwig DS, Peterson KE, Gortmaker SL. Relation between consumption of sugar-sweetened drinks and childhood obesity: a prospective, observational analysis. Lancet 2001; 357: 505–8.
10Raben A, Vasilaras TH, Moller AC, Astrup A. Sucrose compared with artificial sweeteners: different effects on ad libitum food intake and body weight after 10 wk of supplementation in overweight subjects. American Journal of Clinical Nutrition 2002; 76: 721–9.
11Tordoff MG, Alleva AM. Effect of drinking soda sweetened with aspartame or high-fructose corn syrup on food intake and body weight. American Journal of Clinical Nutrition 1990; 51: 963–9.
12World Health Organization (WHO)/Food and Agriculture Organization (FAO). Diet, Nutrition and the Prevention of Chronic Diseases. Report of a WHO/FAO Expert Consultation. Technical Report Series No. 916. Geneva: WHO, 2003.
13Lewis CE, Jacobs DR Jr, McCreath H. Weight gain continues in the 1990s: 10-year trends in weight and overweight from the CARDIA study. Coronary Artery Risk Development in Young Adults. American Journal of Epidemiology 2000; 151: 1172–81.
14Livingstone MB. Childhood obesity in Europe: a growing concern. Public Health Nutrition 2001; 4: 109–16.
15Tverdal A. Prevalence of obesity among persons aged 40–42 years in two periods. Tidsskrift for den Norske Laegeforening 2001; 121: 667–72. [in Norwegian].
16Kelder SH, Perry CL, Klepp KI, Lytle LL. Longitudinal tracking of adolescent smoking, physical activity, and food choice behaviors. American Journal of Public Health 1994; 84: 1121–6.
17Post GB, de Vente W, Kemper HC, Twisk JW. Longitudinal trends in and tracking of energy and nutrient intake over 20 years in a Dutch cohort of men and women between 13 and 33 years of age: The Amsterdam Growth and Health Longitudinal Study. British Journal of Nutrition 2001; 85: 375–85.
18Cusatis DC, Chinchilli VM, Johnson-Rollings N. Longitudinal nutrient intake patterns of US adolescent women: the Penn State Young Women's Health Study. Journal of Adolescent Health 2000; 26: 194–204.
19Lien N, Lytle LA, Klepp KI. Stability in consumption of fruit, vegetables, and sugary foods in a cohort from age 14 to age 21. Preventive Medicine 2001; 33: 217–26.
20Welten DC, Kemper HC, Post GB. Longitudinal development and tracking of calcium and dairy intake from teenager to adult. European Journal of Clinical Nutrition 1997; 51: 612–8.
21Klepp K-I, Øygard L, Tell GS, Vellar OD. Twelve year follow-up of a school-based health education programme. The Oslo Youth Study. European Journal of Public Health 1994; 4: 195–200.
22Andersen LF, Solvoll K, Johansson LR. Evaluation of a food frequency questionnaire with weighed records, fatty acids, and alpha-tocopherol in adipose tissue and serum. American Journal of Epidemiology 1999; 150: 75–87.
23Nes M, Frost AL, Solvoll K. Accuracy of a quantitative food frequency questionnaire applied in elderly Norwegian women. European Journal of Clinical Nutrition 1992; 46: 809–21.
24Food and Agriculture Organization (FAO)/World Health Organization (WHO)/United Nations University (UNU). Energy and Protein Requirements. Report of a Joint FAO/WHO/UNU Expert Consultation. Technical Report Series No. 724. Geneva: WHO, 1985.
25Black AE. Critical evaluation of energy intake using the Goldberg cut-off for energy intake:basal metabolic rate. A practical guide to its calculation, use and limitations. International Journal of Obesity and Related Metabolic Disorders 2000; 24: 1119–30.
26Goldberg GR, Black AE, Jebb SA. Critical evaluation of energy intake data using fundamental principles of energy physiology: 1. Derivation of cut-off limits to identify under- recording. European Journal of Clinical Nutrition 1991; 45: 569–81.
27French SA, Hennrikus DJ, Jeffery RW. Smoking status, dietary intake, and physical activity in a sample of working adults. Health Psychology 1996; 15: 448–54.
28Schuit AJ, van Loon AJ, Tijhuis M, Ocke M. Clustering of lifestyle risk factors in a general adult population. Preventive Medicine 2002; 35: 219–24.
29Beridot-Therond ME, Arts I, Fantino M. Short-term effects of the flavour of drinks on ingestive behaviours in man. Appetite 1998; 31: 67–81.
30De Castro JM. The effects of the spontaneous ingestion of particular foods or beverages on the meal pattern and overall nutrient intake of humans. Physiology & Behavior 1993; 53: 1133–44.
31Mattes RD. Dietary compensation by humans for supplemental energy provided as ethanol or carbohydrate in fluids. Physiology & Behavior 1996; 59: 179–87.
32Goris AH, Westerterp-Plantenga MS, Westerterp KR. Undereating and underrecording of habitual food intake in obese men: selective underreporting of fat intake. American Journal of Clinical Nutrition 2000; 71: 130–4.
33Voss S, Kroke A, Klipstein-Grobusch K, Boeing H. Is macronutrient composition of dietary intake data affected by underreporting? Results from the EPIC-Potsdam Study. European Prospective Investigation into Cancer and Nutrition. European Journal of Clinical Nutrition 1998; 52: 119–26.
34Lafay L, Mennen L, Basdevant A. Does energy intake underreporting involve all kinds of food or only specific food items? Results from the Fleurbaix Laventie Ville Sante (FLVS) study. International Journal of Obesity and Related Metabolic Disorders 2000; 24: 1500–6.
35Poppitt SD, Swann D, Black AE, Prentice AM. Assessment of selective under-reporting of food intake by both obese and non-obese women in a metabolic facility. International Journal of Obesity and Related Metabolic Disorders 1998; 22: 303–11.
36Heerstrass DW, Ocke MC, Bueno-de-Mesquita HB. Underreporting of energy, protein and potassium intake in relation to body mass index. International Journal of Epidemiology 1998; 27: 186–93.
37DelPrete LR, Caldwell M, English C. Self-reported and measured weights and heights of participants in community-based weight loss programs. Journal of the American Dietetic Association 1992; 92: 1483–6.
38Niedhammer I, Bugel I, Bonenfant S. Validity of self-reported weight and height in the French GAZEL cohort. International Journal of Obesity and Related Metabolic Disorders 2000; 24: 1111–8.
39Kvaavik E, Tell GS, Klepp KI. Stability of body mass index from adolescence to adulthood. Tidsskrift for den Norske Laegeforening 2002; 122: 894–900. [in Norwegian].
40Kvaavik E, Tell GS, Klepp KI. Predictors and tracking of body mass index from adolescence into adulthood: follow-up of 18 to 20 years in the Oslo Youth Study. Archives of Pediatrics & Adolescent Medicine 2003; 157: 1212–8.
41Roberts RJ. Can self-reported data accurately describe the prevalence of overweight? Public Health 1995; 109: 275–84.
42Jeffery RW. Bias in reported body weight as a function of education, occupation, health and weight concern. Addictive Behaviors 1996; 21: 217–22.
43Skårer C. A method evaluation of questions asked at age 16-, 18-, and 19 years in The Norwegian Longitudinal Health Behaviour Study. Master thesis, Department of Nutrition, University of Oslo, 2001 [in Norwiegan].
44Chassin L, Presson CC, Sherman SJ, Edwards DA. The natural history of cigarette smoking: predicting young-adult smoking outcomes from adolescent smoking patterns. Health Psychology 1990; 9: 701–16.
45Perkins KA. Weight gain following smoking cessation. Journal of Consulting and Clinical Psychology 1993; 61: 768–77.
46Johansson L, Solvoll K. Norkost 1997. Oslo: Directorate for Health and Social Affairs, 1999 [in Norwegian].