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Table 2 Number of subjects (N), mean and range by generation and gender for each variable in the Québec Family Study

From: Linkage and Association Studies between the Melanocortin Receptors 4 and 5 Genes and Obesity-Related Phenotypes in the Québec Family Study

Variables Parent Adult Offspring
Male Female Male Female
N Mean Range N Mean Range N Mean Range N Mean Range
Age (years) 143 54.8 37–73 156 52.8 36–68 143 27.7 18–60 154 27.9 18–61
BMI (kg/m2) 141 27.9 19–47 154 27.0 19–56 143 25.7 17–45 153 25.4 17–65
SF6 (mm) 141 97.8 24–287 151 143.9 48–401 141 91.5 26–320 153 125.9 39–448
FM (kg) 121 22.4 5–50 120 25.9 9–59 138 16.9 2–57 148 21.1 3–109
%FAT 121 26.9 8–43 120 37.5 18–54 138 19.9 4–42 148 29.3 6–60
FFM (kg) 121 58.1 41–82 120 41.1 29–66 138 61.2 42–83 148 45.3 32–72
RQ 131 0.81 0.7–1.0 143 0.80 0.6–0.9 138 0.80 0.7–0.9 147 0.80 0.7–0.9
RMR (kj) 131 1.13 0.7–1.8 143 0.89 0.6–1.7 138 1.19 0.9–1.9 147 0.96 0.6–1.7
Glucose (mmol/L) 142 5.5 4–14 154 5.2 3–20 143 4.9 4–13 154 4.6 4–6
Glucose area (mmol/L min 10−3) 105 1.4 0.8–3.3 114 1.2 0.8–2.4 103 1.1 0.6–2.0 113 1.1 0.7–1.7
Insulin (pmol/L) 115 73.6 <1–276 129 62.2 1–588 107 68.1 9–260 121 70.8 4–350
Insulin area (pmol/L min 10−3) 104 74.7 13–233 113 71.3 20–314 101 73.6 14–418 111 78.0 21–502
  1. See text for the abbreviations.