Table 1 Age and anthropometry in first-born and second-born men. Age data are mean ± SD; other data are means and 95% confidence intervals adjusted for other confounding factors in the multivariate models
From: Among overweight middle-aged men, first-borns have lower insulin sensitivity than second-borns
First-borns | Second-borns | p-value | |
---|---|---|---|
n | 26 | 24 | |
Ethnicity (European descent) | 92% | 92% | 0.99 |
Age (years) | 44.9 ± 5.6 | 46.4 ± 5.4 | 0.37 |
Height (cm) | 176.8 (171.0–180.5) | 175.1 (169.7–180.5) | 0.40 |
Weight (kg) | 91.0 (83.6–98.4) | 84.1 (76.9–91.3) | 0.013 |
BMI (kg/m2) | 29.1 (27.7–30.5) | 27.5 (26.1–28.9) | 0.004 |
Total body fat (%) | 32.2 (27.3–37.1) | 29.9 (25.1–34.7) | 0.21 |
Android fat to gynoid fat ratio | 1.27 (1.13–1.41) | 1.23 (1.09–1.36) | 0.42 |
Fat mass index (kg/m2) | 9.36 (7.74–10.97) | 8.26 (6.69–9.84) | 0.068 |