The Tromsø Study: Fit Futures: a study of Norwegian adolescents’ lifestyle and bone health

Borgstrom F et al (2007) The societal burden of osteoporosis in Sweden. Bone 40(6):1602–1609

Dimai HP et al (2012) Economic burden of osteoporotic fractures in Austria. Health Econ Rev 2(1):12

Hansen L et al (2013) A health economic analysis of osteoporotic fractures: who carries the burden? Arch Osteoporos 8(1–2):126

Kanis JA et al (2012) A systematic review of hip fracture incidence and probability of fracture worldwide. Osteoporos Int 23(9):2239–2256

Marshall D, Johnell O, Wedel H (1996) Meta-analysis of how well measures of bone mineral density predict occurrence of osteoporotic fractures. BMJ 312(7041):1254–1259

Rizzoli R et al (2010) Maximizing bone mineral mass gain during growth for the prevention of fractures in the adolescents and the elderly. Bone 46(2):294–305

The Tromsø Study. Available from: http://www.tromsostudy.com . Accessed 22 Oct 2013

Omsland TK et al (2008) In vivo and in vitro comparison of densitometers in the NOREPOS study. J Clin Densitom 11(2):276–282

Lunar enCore, Supplement til pediatrisk referansedata. 1. revision ed. 2010-Nov: GE Healthcare

Cole TJ et al (2007) Body mass index cut offs to define thinness in children and adolescents: international survey. BMJ 335(7612):194

Cole TJ et al (2000) Establishing a standard definition for child overweight and obesity worldwide: international survey. BMJ 320(7244):1240–1243

BMI-classes, WHO. Available from: http://apps.who.int/bmi/index.jsp?introPage=intro_3.html . Accessed 22 Oct 2013

Koo MM, Rohan TE (1997) Accuracy of short-term recall of age at menarche. Ann Hum Biol 24(1):61–64

Petersen A et al (1988) A self-report measure of pubertal status: reliability, validity, and initial norms. J Youth Adolesc 17(2):117–133

Graff-Iversen S et al (2008) Two short questionnaires on leisure-time physical activity compared with serum lipids, anthropometric measurements and aerobic power in a suburban population from Oslo, Norway. Eur J Epidemiol 23(3):167–174

Lofthus CM et al (2001) Epidemiology of hip fractures in Oslo, Norway. Bone 29(5):413–418

Lofthus CM et al (2008) Epidemiology of distal forearm fractures in Oslo, Norway. Osteoporos Int 19(6):781–786

Rosvold Berntsen GK et al (2000) The Tromso study: determinants of precision in bone densitometry. J Clin Epidemiol 53(11):1104–1112

Oldroyd B, Smith AH, Truscott JG (2003) Cross-calibration of GE/Lunar pencil and fan-beam dual energy densitometers—bone mineral density and body composition studies. Eur J Clin Nutr 57(8):977–987

Crabtree NJ et al (2005) Pediatric in vivo cross-calibration between the GE Lunar Prodigy and DPX-L bone densitometers. Osteoporos Int 16(12):2157–2167

Dorn LD et al (2013) Longitudinal impact of substance use and depressive symptoms on bone accrual among girls aged 11-19 years. J Adolesc Health 52(4):393–399

Kolle E, Torstveit MK, Sundgot-Borgen J (2005) Bone mineral density in Norwegian premenopausal women. Osteoporos Int 16(8):914–920

Kroger H et al (1992) Bone densitometry of the spine and femur in children by dual-energy x-ray absorptiometry. Bone Miner 17(1):75–85

Maynard LM et al (1998) Total-body and regional bone mineral content and areal bone mineral density in children aged 8-18 y: the Fels Longitudinal Study. Am J Clin Nutr 68(5):1111–1117

Júliusson PB et al (2009) Vekstkurver for norske barn. Tidsskr Nor Legeforen 129(4):281–286

Gilsanz V et al (2011) Age at onset of puberty predicts bone mass in young adulthood. J Pediatr 158(1):100–105, 105 e1–2

Deere K et al (2012) Habitual levels of high, but not moderate or low, impact activity are positively related to hip BMD and geometry: results from a population-based study of adolescents. J Bone Miner Res 27(9):1887–1895

Arabi A et al (2004) Bone mineral density by age, gender, pubertal stages, and socioeconomic status in healthy Lebanese children and adolescents. Bone 35(5):1169–1179

Hoiberg M et al (2007) Population-based reference values for bone mineral density in young men. Osteoporos Int 18(11):1507–1514

Moretto de Oliveria MR et al (2011) Bone mineral density in healthy female adolescents according to age, bone age and pubertal breast stage. Open Orthop J 5:324–330

Gracia-Marco L et al (2010) Bone mass and bone metabolism markers during adolescence: the HELENA Study. Horm Res Paediatr 74(5):339–350

Eleftheriou KI et al (2013) Bone structure and geometry in young men: the influence of smoking, alcohol intake and physical activity. Bone 52(1):17–26

Fan B et al (2010) Does standardized BMD still remove differences between Hologic and GE-Lunar state-of-the-art DXA systems? Osteoporos Int 21(7):1227–1236

Heaney RP et al (2000) Peak bone mass. Osteoporos Int 11(12):985–1009

Dimitri P et al (2012) Obesity is a risk factor for fracture in children but is protective against fracture in adults: a paradox. Bone 50(2):457–466

Clark EM, Ness AR, Tobias JH (2006) Adipose tissue stimulates bone growth in prepubertal children. J Clin Endocrinol Metab 91(7):2534–2541

Timpson NJ et al (2009) How does body fat influence bone mass in childhood? A Mendelian randomization approach. J Bone Miner Res 24(3):522–533

Javaid MK et al (2011) Growth in childhood predicts hip fracture risk in later life. Osteoporos Int 22(1):69–73

Seeman E (2002) Pathogenesis of bone fragility in women and men. Lancet 359(9320):1841–1850

Bielemann RM, Martinez-Mesa J, Gigante DP (2013) Physical activity during life course and bone mass: a systematic review of methods and findings from cohort studies with young adults. BMC Musculoskelet Disord 14:77

Logstein B, Blekesaune A, Almas R (2013) Physical activity among Norwegian adolescents—a multilevel analysis of how place of residence is associated with health behaviour: the Young-HUNT study. Int J Equity Health 12:56

Yoon V, Maalouf NM, Sakhaee K (2012) The effects of smoking on bone metabolism. Osteoporos Int 23(8):2081–2092

Rudang R et al (2012) Smoking is associated with impaired bone mass development in young adult men: a 5-year longitudinal study. J Bone Miner Res 27(10):2189–22197

Wosje KS, Kalkwarf HJ (2007) Bone density in relation to alcohol intake among men and women in the United States. Osteoporos Int 18(3):391–400

Berg KM et al (2008) Association between alcohol consumption and both osteoporotic fracture and bone density. Am J Med 121(5):406–418