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Table 1 Descriptive statistics of the different EWAS time-points with distributions of covariates

From: Associations of sex hormone-binding globulin and testosterone with genome-wide DNA methylation

Agea (months) [sd] N Sex N Parity (nulliparous) [%] N Maternal smoking (never) [%] Maternal age (years) [sd] N Maternal education (O-levels or lower) [%]
SHBG
 117.8 [2.7] 113 Males 54 [47.8] 100 [88.5] 30.5 [4.2] 45 [39.8]
 184.7 [3.4] 359 Females 179 [49.9] 314 [87.5] 29.6 [4.2] 180 [50.1]
 211.8 [3.9] 114 Males 55 [48.2] 103 [90.4] 30.9 [4.4] 41 [36.0]
Total testosteroneb
 117.8 [2.7] 113 Males 54 [47.8] 100 [88.5] 30.5 [4.2] 45 [39.8]
 184.8 [3.4] 375 Females 182 [48.5] 329 [87.7] 29.6 [4.2] 191 [50.9]
 211.8 [3.9] 113 Males 55 [48.7] 102 [90.3] 30.9 [4.4] 40 [35.4]
Bioavailable testosterone
 117.8 [2.7] 113 Males 54 [47.8] 100 [88.5] 30.5 [4.2] 45 [39.8]
 211.8 [3.9] 113 Males 55 [48.7] 102 [90.3] 30.9 [4.4] 40 [35.4]
  1. aAge at time of hormone measurement
  2. bTotal testosterone standardized for exact age and time-of-venipuncture in males but not in females