Skip to main content

Advertisement

Table 1 Anthropometric and biochemical characterization of the population according to sex and race

From: Associations among osteocalcin, leptin and metabolic health in children ages 9–13 years in the United States

  Total Black male (n = 82) Black female (n = 80) White male (n = 79) White female (n = 77) Effects
Sex Race Sex x race
n Mean (SEM) Mean (SEM) Mean (SEM) Mean (SEM) Mean (SEM) p-value p-value p-value
Age (years) 318 11.4 (0.1) 11.8 (0.1) 10.5 (0.1) 12.1 (0.1) 11.0 (0.1) <0.0001 0.0006 0.5396
Anthropometry
 Weight (kg) 318 47.5 (0.7) 49.4 (1.4) 48.0 (1.3) 48.0 (1.5) 44.4 (1.1) 0.1181 0.0647 0.5113
 Height (m) 318 1.51 (0.01) 1.52 (0.01) 1.48 (0.01) 1.54 (0.01) 1.49 (0.01) <0.0001 0.1555 0.7783
 BMI-for-age (percentile) 318 68.3 (1.6) 72.1 (2.9) 77.6 (3.1) 56.9 (3.6) 66.5 (3.1) 0.1036 0.0013 0.3239
 Body fat (%) 301 29.9 (0.6) 25.5 (1.0) 33.2 (0.9) 28.3 (1.1) 33.3 (1.0) <0.0001 0.1386 0.1832
Biochemistry
 Leptin (ng/mL) 305 11.1 (0.6) 8.1 (0.9) 16.0 (1.2) 8.7 (1.2) 11.6 (0.9) <0.0001 0.0269 0.4041
 ucOC (ng/mL) 170 30.6 (1.4) 20.3 (2.4) 27.6 (2.6) 39.8 (1.7) 41.8 (3.1) 0.1415 <0.0001 0.1805
 Total osteocalcin (ng/mL) 303 33.3 (0.7) 38.5 (1.5) 35.5 (1.6) 29.8 (0.9) 29.5 (0.8) 0.1457 <0.0001 0.2302
 Glucose (mg/dL) 317 89.0 (0.4) 89.4 (0.8) 89.4 (0.8) 89.1 (0.8) 87.9 (0.8) 0.4352 0.2441 0.4378
 Insulin (μU/mL) 318 20.3 (0.6) 18.9 (0.8) 25.9 (1.5) 18.1 (1.4) 18.0 (0.9) 0.0006 <0.0001 0.0236
 HOMA-β 317 307.3 (13.9) 301.5 (31.8) 389.4 (36.6) 263.4 (20.7) 274.2 (13.2) 0.0007 0.0015 0.1704
 HOMA-IR 317 4.5 (0.1) 4.2 (0.2) 5.7 (0.3) 4.0 (0.3) 4.0 (0.2) 0.0020 < 0.0001 0.0257
  1. Standard Error of the Mean; Body mass index; Undercarboxylated osteocalcin; Homeaostasis Model of Assessment Estimate of β Cell Function; Homeaostasis Model of Assessment Estimate of Insulin Resistance; Results of two-way ANOVA for sex, race and sex x race interactions investigated. All variables were analyzed after logarithmic transformation
  2. The values that are italic are p-values indicating significance