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. 2020 Apr 19;10(4):e032268. doi: 10.1136/bmjopen-2019-032268

Table 3.

Multiple regression analyses of bone mineral density at different skeletal sites with age, smoke, alcohol, BMI, A/G FMR and appendicular LM in men

Men WBBMD LSBMD FNBMD THBMD
Standard β t Sig. Standard β t Sig. Standard β t Sig. Standard β t Sig.
<50 years
 Age 0.066 1.991 0.047 −0.018 −0.459 0.647 −0.044 −1.161 0.246 0.029 0.821 0.412
 Smoke −0.057 −1.783 0.075 −0.043 −1.116 0.265 −0.047 −1.267 0.206 −0.050 −1.473 0.141
 Alcohol 0.063 1.988 0.047 0.041 1.081 0.280 0.011 0.303 0.762 0.009 0.279 0.780
 BMI 0.266 4.998 <0.001 0.170 2.668 0.008 0.139 2.269 0.024 0.222 3.920 <0.001
 A/G FMR 0.044 1.028 0.304 −0.063 −1.223 0.222 −0.040 −0.811 0.418 0.014 0.315 0.753
 Appendicular LM 0.402 9.240 <0.001 0.309 5.923 <0.001 0.395 7.872 <0.001 0.405 8.757 <0.001
≥50 years
 Age −0.015 −0.486 0.627 0.087 2.673 0.008 0.220 −7.086 <0.001 0.124 −3.989 <0.001
 Smoke −0.023 −0.786 0.432 −0.027 −0.865 0.387 0.005 0.165 0.869 −0.006 −0.215 0.830
 Alcohol 0.023 0.794 0.427 0.059 1.920 0.055 0.022 0.747 0.455 0.020 0.697 0.486
 BMI 0.260 5.915 <0.001 0.268 5.704 <0.001 0.190 4.257 <0.001 0.261 5.817 <0.001
 A/G FMR 0.008 0.241 0.809 0.027 0.759 0.448 −0.054 −1.585 0.113 −0.035 −1.032 0.302
 Appendicular LM 0.321 7.814 <0.001 0.207 4.719 <0.001 0.264 6.328 <0.001 0.256 6.127 <0.001

Results expressed as standard β coefficients.

Bold P values are statistically significant.

A/G FMR, android/gynoid fat mass ratio; BMI, body mass index; FNBMD, femoral neck bone mineral density; LM, lean mass; LSBMD, lumbar spine bone mineral density; THBMD, total hip bone mineral density; WBBMD, whole-body bone mineral density.