Table 1.
Selected characteristics among young adults (n = 227), older adults (n = 939) and the total study population (n = 1166).
Table 2.
Mean, median and interquartile range of hormone concentrations among young adults (n = 227) and calculated cutoff values.
Table 3.
Mean (SD) hormone concentrations, stratified by selected characteristics, n = 1166.
Fig 1.
Percent abnormal hormone concentrations by age among older men.
Mean (diamond) and 95% confidence interval (line) of the percent abnormal hormone concentrations among men, by decade of age, based on cutoff values shown in Table 2.
Fig 2.
Change in hormone concentration with age, stratified by waist-to-height ratio.
These are smoothed lowess curves where the solid line is WHR ≤ 0.5 and the dashed line is WHR > 0.5. Individual observations are represented with circle (WHR ≤ 0.5) and plus (WHR >0.5) markers. The reference line indicates the reference hormone concentration (the mean hormone concentration among 20–39 year olds). TT = total testosterone (reference = 16.88 nmol/L); SBGH = sex binding globulin hormone (reference = 31.67 nmol/L); cFT = calculated free testosterone (reference = 0.37 nmol/L); TSI = testosterone secreting index (reference = 4.76); LH = luteinizing hormone (reference = 4.20 IU/L).
Table 4.
Multivariable linear regression coefficient (95% confidence interval) for hormone concentrations related to selected characteristics, n = 1166.