Participants taking tenofovir at baseline had lower section modulus ( -107.3 mm2 , p = 0.001 ) , lower cross-sectional area ( -15.01 mm3 , p = 0.001 ) , and lower cross-sectional moment of inertia ( -2,036.8 mm4 , p = 0.007 ) than those receiving other nucleoside analogues .