Godfrey KM, Barker DJ: Fetal programming and adult health. Public Health Nutr. 2001, 4: 611-24. 10.1079/PHN2001145.
Moore VM, Davies MJ: Diet during pregnancy, neonatal outcomes and later health. Reprod Fertil Dev. 2005, 17: 341-8. 10.1071/RD04094.
Shapira N: Prenatal nutrition: a critical window of opportunity for mother and child. Womens Health (Lond Engl). 2008, 4: 639-56.
Northstone K, Emmett PM, Rogers I: Dietary patterns in pregnancy and associations with nutrient intakes. Br J Nutr. 2008, 99: 406-15.
Brantsaeter AL, Haugen M, Samuelsen SO, Torjusen H, Trogstad L, Alexander J, Magnus P, Meltzer HM: A dietary pattern characterized by high intake of vegetables, fruits, and vegetable oils is associated with reduced risk of preeclampsia in nulliparous pregnant Norwegian women. J Nutr. 2009, 139: 1162-8. 10.3945/jn.109.104968.
Thompson JM, Wall C, Becroft DM, Robinson E, Wild CJ, Mitchell EA: Maternal dietary patterns in pregnancy and the association with small-for-gestational-age infants. Br J Nutr. 2010, 103: 1665-73. 10.1017/S0007114509993606.
Berg L: Tillitens triangler: om forbrukertillit og matsikkerhet [Report in Norwegian: Triangles of Trust. On consumer trust and food safety.]. 2005, Professional Report no. 1-2005. Oslo: National Institute for Consumer research (SIFO)
Shepherd R, Magnusson M, Sjoden PO: Determinants of consumer behavior related to organic foods. Ambio. 2005, 34: 352-9.
Torjusen H, Kjærnes U, Sangstad L, O'Doherty Jensen K: European consumers' conceptions of organic food: a review of available research. 2004, Professional report no. 4-2004. Oslo: National Institute for Consumer Research (SIFO)
Baker BP, Benbrook CM, Groth E, Lutz BK: Pesticide residues in conventional, integrated pest management (IPM)-grown and organic foods: insights from three US data sets. Food Addit Contam. 2002, 19: 427-46. 10.1080/02652030110113799.
Lu C, Toepel K, Irish R, Fenske RA, Barr DB, Bravo R: Organic diets significantly lower children's dietary exposure to organophosphorus pesticides. Environ Health Perspect. 2006, 114: 260-3. 10.1289/ehp.8418.
Bernhoft A, Clasen PE, Kristoffersen AB, Torp M: Less Fusarium infestation and mycotoxin contamination in organic than in conventional cereals. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2010, 27: 842-52.
Bonde M, Sørensen JT: Effect of pig production systems and transport on the pathogen transfer risk into the food chain from Salmonella shed in pig faeces. Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20-23 2007. 2007, Frick, CH: FiBL, 104-107.
Tamm L, Köpke U, Cohen Y, Leifert C: Development of strategies to improve quality and safety and reduce cost of production in organic 'low input' crop production systems. Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20-23 2007. 2007, Frick, CH: FiBL, 104-107.
Brandt K, Mølgaard JP: Organic agriculture: does it enhance or reduce the nutritional value of plant foods?. J Sci Food Agric. 2001, 81: 924-31. 10.1002/jsfa.903.
Holmboe-Ottesen G: Increased levels of bioactive compounds in organically grown food plants. Possible health effects?. Bioactive compounds in plants - benefits for man and animals. Edited by: Bernhoft A. 2010, Oslo: Novus forlag, 236-252. [http://www.dnva.no/geomed]
Butler G, Collomb M, Rehberger B, Sanderson R, Eyre M, Leifert C: Conjugated linoleic acid isomer concentrations in milk from high- and low-input management dairy systems. J Sci Food Agric. 2009, 89: 697-705. 10.1002/jsfa.3504.
Rist L, Mueller A, Barthel C, Snijders B, Jansen M, Simoes-Wust AP, Huber M, Kummeling I, von Mandach U, Steinhart H, Thijs C: Influence of organic diet on the amount of conjugated linoleic acids in breast milk of lactating women in the Netherlands. Br J Nutr. 2007, 97: 735-43. 10.1017/S0007114507433074.
Dangour AD, Dodhia SK, Hayter A, Allen E, Lock K, Uauy R: Nutritional quality of organic foods: a systematic review. Am J Clin Nutr. 2009, 90: 680-5. 10.3945/ajcn.2009.28041.
Dangour AD, Lock K, Hayter A, Aikenhead A, Allen E, Uauy R: Nutrition-related health effects of organic foods: a systematic review. Am J Clin Nutr. 2010, 92: 203-10. 10.3945/ajcn.2010.29269.
Benbrook C, Davis DR, Andrews PK: Methodologic flaws in selecting studies and comparing nutrient concentrations led Dangour et al to miss the emerging forest amid the trees. Am J Clin Nutr. 2009, 90: 1700-1. 10.3945/ajcn.2009.28605.
Hamm U, Gronefeld F, Hamm U, Gronefeld F: The European market for organic food: revised and updated analysis. 2004, University of Wales Aberystwyth (School of Management and Business)
Terragni L, Torjusen H, Vittersø G: The dynamics of alternative food consumption: contexts, opportunities and transformations. Anthropology of food [Webjournal], S5. 2009, [http://aof.revues.org/index6400.html]
Norwegian Agricultural Authority: Produksjon og omsetning av økologiske landbruksvarer. Rapport for 2009. [Report in Norwegian: Production and sales of organic products. Report for 2009.]. 2010, Oslo: Norwegian Agricultural Authority
Magnus P, Irgens LM, Haug K, Nystad W, Skjaerven R, Stoltenberg C: Cohort profile: the Norwegian Mother and Child Cohort Study (MoBa). Int J Epidemiol. 2006, 35: 1146-50. 10.1093/ije/dyl170.
Meltzer HM, Brantsaeter AL, Ydersbond TA, Alexander J, Haugen M: Methodological challenges when monitoring the diet of pregnant women in a large study: experiences from the Norwegian Mother and Child Cohort Study (MoBa). Matern Child Nutr. 2008, 4: 14-27. 10.1111/j.1740-8709.2007.00104.x.
Statistics Norway: Defining geographic location of a municipality in relation to urban settlements of various sizes. (Accessed Sept 2009), [http://www3.ssb.no/stabas/ItemsFrames.asp?ID=5285601&Language=en&VersionLevel=classversion&MenuChoice=Language]
Storstad O, Bjørkhaug H: Foundations of production and consumption of organic food in Norway: Common attitudes among farmers and consumers?. Agriculture and Human Values. 2003, 20: 151-63. 10.1023/A:1024069627349.
Beckmann SC, Brokmose S, Lind RL: Danske forbrugere og økologiske fødevarer. [Report in Danish: Danish consumers and organic foods]. 2001, Copenhagen: Copenhagen Business School
Nilsen RM, Vollset SE, Gjessing HK, Skjaerven R, Melve KK, Schreuder P, Alsaker ER, Haug K, Daltveit AK, Magnus P: Self-selection and bias in a large prospective pregnancy cohort in Norway. Paediatr Perinat Epidemiol. 2009, 23: 597-608. 10.1111/j.1365-3016.2009.01062.x.
Holt GC: "Ecological eating", food ideology and food choice. An analysis of the changing British diet with reference to the consumption of meat and organically produced food. 1993, Food Policy Research Unit, Department of Biomedical Sciences, University of Bradford, UK
Torjusen H, Nyberg A, Wandel M: Økologisk produsert mat: Forbrukernes vurderinger og bruksmønster [Report in Norwegian: Organic food: consumers' perceptions and dietary choices]. 1999, Professional Report no. 5-1999. Oslo: National Institute for Consumer Research (SIFO)
American Dietetic Association: Position of the American Dietetic Association: Vegetarian Diets. Journal of the American Dietetic Association. 2009, 109: 1266-82. 10.1016/j.jada.2009.05.027.
Key TJ, Appleby PN, Rosell MS: Health effects of vegetarian and vegan diets. Proc Nutr Soc. 2006, 65: 35-41. 10.1079/PNS2005481.
Key TJ, Appleby PN, Spencer EA, Travis RC, Roddam AW, Allen NE: Cancer incidence in vegetarians: results from the European Prospective Investigation into Cancer and Nutrition (EPIC-Oxford). Am J Clin Nutr. 2009, 89: 1620S-1626. 10.3945/ajcn.2009.26736M.
Tonstad S, Butler T, Yan R, Fraser GE: Type of vegetarian diet, body weight, and prevalence of type 2 diabetes. Diabetes Care. 2009, 32: 791-6. 10.2337/dc08-1886.
Schryver T, Smith C, Wall M: Self-identities and BMI of Minnesotan soy consumers and non-consumers. Obesity. 2007, 15: 1101-6. 10.1038/oby.2007.631.
Brooks GA, Butte NF, Rand WM, Flatt JP, Caballero B: Chronicle of the Institute of Medicine physical activity recommendation: how a physical activity recommendation came to be among dietary recommendations. Am J Clin Nutr. 2004, 79: 921S-30S.
ACOG Committee on Obstetric Practice: Committee opinion #267: exercise during pregnancy and the postpartum period. Obstetrics & Gynecology. 2002, 99: 171-3.
Royal College of Obstetricians and Gynecologists: Exercise in pregnancy. Statement no 4. 2006, [http://www.rcog.org.uk/womens-health/clinical-guidance/exercise-pregnancy]
Siega-Riz AM, Viswanathan M, Moos MK, Deierlein A, Mumford S, Knaack J, Thieda P, Lux LJ, Lohr KN: A systematic review of outcomes of maternal weight gain according to the Institute of Medicine recommendations: birthweight, fetal growth, and postpartum weight retention. Am J Obstet Gynecol. 2009, 201: 339-14. 10.1016/j.ajog.2009.07.002.
Kramer MS, Morin I, Yang H, Platt RW, Usher R, McNamara H, Joseph KS, Wen SW: Why are babies getting bigger? Temporal trends in fetal growth and its determinants. J Pediatr. 2002, 141: 538-42. 10.1067/mpd.2002.128029.
Bhattacharya S, Campbell DM, Liston WA, Bhattacharya S: Effect of Body Mass Index on pregnancy outcomes in nulliparous women delivering singleton babies. BMC Public Health. 2007, 7: 168-10.1186/1471-2458-7-168.
Jansson N, Nilsfelt A, Gellerstedt M, Wennergren M, Rossander-Hulthen L, Powell TL, Jansson T: Maternal hormones linking maternal body mass index and dietary intake to birth weight. Am J Clin Nutr. 2008, 87: 1743-9.
Sebire NJ, Jolly M, Harris J, Regan L, Robinson S: Is maternal underweight really a risk factor for adverse pregnancy outcome? A population-based study in London. BJOG. 2001, 108: 61-6. 10.1016/S0306-5456(00)00021-8.
Aloufy A, Latzer Y: Diet or health--the linkage between vegetarianism and anorexia nervosa. Harefuah. 2006, 145: 526-31-549.
Juhl M, Madsen M, Andersen AM, Andersen PK, Olsen J: Distribution and predictors of exercise habits among pregnant women in the Danish National Birth Cohort. Scand J Med Sci Sports. 2010,
Norwegian Directorate of Health: A national clinical guideline for antenatal care. Short version - recommendations. Nasjonale retningslinjer for svangerskapsomsorgen (in Norwegian). 2006, 13-4.
Luoto R, Prattala R, Uutela A, Puska P: Impact of unhealthy behaviors on cardiovascular mortality in Finland, 1978-1993. Prev Med. 1998, 27: 93-100. 10.1006/pmed.1997.0249.
Laaksonen M, Prattala R, Lahelma E: Sociodemographic determinants of multiple unhealthy behaviours. Scand J Public Health. 2003, 31: 37-43.
Alfven T, Braun-Fahrlander C, Brunekreef B, von Mutius E, Riedler J, Scheynius A, van Hage M, Wickman M, Benz MR, Budde J, Michels KB, Schram D, Ublagger E, Waser M, Pershagen G, PARSIFAL study group: Allergic diseases and atopic sensitization in children related to farming and anthroposophic lifestyle--the PARSIFAL study. Allergy. 2006, 61: 414-21. 10.1111/j.1398-9995.2005.00939.x.
Floistrup H, Swartz J, Bergstrom A, Alm JS, Scheynius A, van Hage M, Waser M, Braun-Fahrlander C, Schram-Bijkerk D, Huber M, Zutavern A, von Mutius E, Ublagger E, Riedler J, Michaels KB, Pershagen G, Parsifal Study Group: Allergic disease and sensitization in Steiner school children. J Allergy Clin Immunol. 2006, 117: 59-66. 10.1016/j.jaci.2005.09.039.
Alm JS, Swartz J, Lilja G, Scheynius A, Pershagen G: Atopy in children of families with an anthroposophic lifestyle. Lancet. 1999, 353: 1485-8. 10.1016/S0140-6736(98)09344-1.
Grunert SC, Kristensen K: Den danske forbruger og økologiske fødevarer. [Report in Danish: The Danish Consumer and Organic Food]. Working paper, Series H no. 62. 1992, The Aarhus School of Business. Department of Information Science, Aarhus
Infood: Forbrugernotat. [Report in Danish: Consumer report]. 1997, [http://www.ecoweb.dk/infood/not9708.htm]
Ott SL: Supermarket shoppers' pesticide concerns and willingness to purchase certified pesticide residue-free fresh produce. Agribusiness. 1990, 6: 593-602. 10.1002/1520-6297(199011)6:6<593::AID-AGR2720060606>3.0.CO;2-Z.
Jolly DA: Differences between buyers and nonbuyers of organic produce and willingness to pay organic price premium. Journal of Agribusiness. 1991, 9: 97-111.
Bugge A, Wandel M: Forbrukerholdninger til moderne matvareproduksjon. Landbruksøkonomisk forum. 1995, 12: 15-25.
O'Doherty Jensen K, Larsen HN, Mølgaard JP, Andersen J-O, Tingstad A, Marckmann P, Astrup A: Økologiske fødevarer og menneskets sundhed. Rapport fra vidensyntese udført i regi af Forskningsinstitut for Human Ernæring, KVL. [Report in Danish: Organic foods and Human Health.]. 2001, Foulum: Danish Research Centre for Organic Farming
Wier M, O'Doherty Jensen K, Andersen LM, Millock K: The character of demand in mature organic food markets: Great Britain and Denmark compared. Food Policy. 2008, 33: 406-21. 10.1016/j.foodpol.2008.01.002.
Torjusen H: Økologisk mat. Hindringer og muligheter for forbruk av økologisk mat sett fra forbrukernes side [Report in Norwegian: Obstacles and possibilities to organic food consumption in Norway]. 2001, Project Report no. 16-2001. Oslo: National Institute for Consumer Research (SIFO)
Torjusen H, Lieblein G, Wandel M, Francis CA: Food system orientation and quality perception among consumers and producers of organic food in Hedmark County, Norway. Food Quality and Preference. 2001, 12: 207-16. 10.1016/S0950-3293(00)00047-1.
Huang CL: Consumer preferences and attitudes towards organically grown produce. European Review of Agricultural Economics. 1996, 23: 331-42.
Byrne PJ, Toensmeyer UC, German CL, Muller HR: Analysis of consumer attitudes toward organic produce and purchase likelihood. Journal of Food Distribution Research. 1991, 22: 49-62.
Wier M, Andersen LM: Consumer demand for organic foods: Attitudes, values and purchasing behaviour. DARCOFenews. 2003, [http://orgprints.org/1829/1/darcof.pdf]
Codron JM, Siriex L, Reardon T: Social and environmental attributes of food products in an emerging mass market: Challenges of signaling and consumer perception, with European illustrations. Agriculture and Human Values. 2006, 23: 283-97. 10.1007/s10460-006-9000-x.