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. 2014 Jan;168(1):54-60.
doi: 10.1001/jamapediatrics.2013.3821.

Milk Consumption During Teenage Years and Risk of Hip Fractures in Older Adults

Free PMC article

Milk Consumption During Teenage Years and Risk of Hip Fractures in Older Adults

Diane Feskanich et al. JAMA Pediatr. .
Free PMC article


Importance: Milk consumption during adolescence is recommended to promote peak bone mass and thereby reduce fracture risk in later life. However, its role in hip fracture prevention is not established and high consumption may adversely influence risk by increasing height.

Objectives: To determine whether milk consumption during teenage years influences risk of hip fracture in older adults and to investigate the role of attained height in this association.

Design, setting, and participants: Prospective cohort study over 22 years of follow-up in more than 96,000 white postmenopausal women from the Nurses' Health Study and men aged 50 years and older from the Health Professionals Follow-up Study in the United States.

Exposures: Frequency of consumption of milk and other foods during ages 13 to 18 years and attained height were reported at baseline. Current diet, weight, smoking, physical activity, medication use, and other risk factors for hip fractures were reported on biennial questionnaires.

Main outcomes and measures: Cox proportional hazards models were used to calculate relative risks (RRs) of first incidence of hip fracture from low-trauma events per glass (8 fl oz or 240 mL) of milk consumed per day during teenage years.

Results: During follow-up, 1226 hip fractures were identified in women and 490 in men. After controlling for known risk factors and current milk consumption, each additional glass of milk per day during teenage years was associated with a significant 9% higher risk of hip fracture in men (RR = 1.09; 95% CI, 1.01-1.17). The association was attenuated when height was added to the model (RR = 1.06; 95% CI, 0.98-1.14). Teenage milk consumption was not associated with hip fractures in women (RR = 1.00 per glass per day; 95% CI, 0.95-1.05).

Conclusions and relevance: Greater milk consumption during teenage years was not associated with a lower risk of hip fracture in older adults. The positive association observed in men was partially mediated through attained height.

Conflict of interest statement

Conflict of Interest Disclosures: None of the authors have a conflict of interest with this research.

Comment in

  • Milk consumption and bone health.
    Weaver CM. Weaver CM. JAMA Pediatr. 2014 Jan;168(1):12-3. doi: 10.1001/jamapediatrics.2013.4239. JAMA Pediatr. 2014. PMID: 24247726 No abstract available.
  • Early-life milk and late-life fracture.
    Heaney RP. Heaney RP. JAMA Pediatr. 2014 Jul;168(7):682-3. doi: 10.1001/jamapediatrics.2014.172. JAMA Pediatr. 2014. PMID: 25004013 No abstract available.
  • Early-life milk and late-life fracture.
    Howland RH. Howland RH. JAMA Pediatr. 2014 Jul;168(7):683. doi: 10.1001/jamapediatrics.2014.175. JAMA Pediatr. 2014. PMID: 25004014 No abstract available.
  • In reply.
    Feskanich D, Willett WC. Feskanich D, et al. JAMA Pediatr. 2014 Jul;168(7):683-4. doi: 10.1001/jamapediatrics.2014.178. JAMA Pediatr. 2014. PMID: 25004015 No abstract available.

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