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Rigshospitalet - en del af Københavns Universitetshospital

Perceived age is associated with bone status in women aged 25-93 years

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review


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Vis graf over relationer

Higher perceived age (PA) is reported to be associated with age-related diseases. Because osteoporosis is considered an age-related disease, we hypothesized that age perceived from photographs is associated with bone mineral density (BMD)/trabecular bone score (TBS) when controlled for chronological age. This is a cross-sectional study of 460 women aged 25-93 years. BMD/TBS was measured. Twenty physicians assessed age from facial and whole-body photographs. Residual PA (RPACA) was calculated from the regression of PA on chronological age. Participants were divided into "looking old" (LO) or "looking young" (LY). Linear mixed models and general linear models fitted with BMD/TBS as outcome and either RPACA or LO/LY as an independent variable, considering chronological age. Estimates of RPACA were all negative; i.e., an increase in RPAC is associated with lower BMD, consistent with the hypothesis (e.g., β -0.29 %; 95 % confidence interval (CI) 0.55, 0.03). Statistical significance of the association of age-adjusted facial RPACA with BMD was found. Adjusted for body mass index (BMI), menopause, and hormone replacement therapy, higher RPACA from all photographic presentations were significantly associated with lower BMD based on statistical significance. BMD/TBS was in all analyses higher in the group LY compared with LO, when adjusted for age and BMI (e.g., β 4.37 %; 95 CI 0.62, 8.26), but statistical significance was obtained only from the BMD analyses. A higher PA was significantly associated with a lower BMD/TBD, and the size of association in older women indicates that it might have value as part of the clinical assessment of osteoporotic risk.

TidsskriftAge (Dordrecht, Netherlands)
Udgave nummer6
Sider (fra-til)106
StatusUdgivet - dec. 2015

ID: 45977068