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. Author manuscript; available in PMC: 2022 Jun 20.
Published in final edited form as: Obesity (Silver Spring). 2018 May 2;26(6):1078–1087. doi: 10.1002/oby.22183

TABLE 3.

Adjusted means (95%CIs) of blood glucose and log-transformed disposition indices across increasing SFA quartiles

Abdominal SFA
 P for linear trend
Quartile 1 Quartile 2 Quartile 3 Quartile 4
Men
 Age-adjusted means
  Fasting plasma glucose (mmol/L) 5.69 (5.66–5.73) 5.80 (5.76–5.83) 5.92 (5.89–5.96) 5.95 (5.92–5.99) < 0.001
  30-min plasma glucose (mmol/L) 9.92 (9.82–10.0) 10.1 (9.97–10.2) 10.3 (10.2–10.4) 10.4 (10.3–10.5) < 0.001
  2-h plasma glucose (mmol/L) 6.71 (6.58–6.85) 7.32 (7.19–7.45) 7.70 (7.57–7.84) 7.96 (7.83–8.10) < 0.001
  lgDIearly 0.87 (0.85–0.89) 0.81 (0.79–0.83) 0.75 (0.73–0.77) 0.71 (0.69–0.73) < 0.001
  lgDI1st 2.60 (2.58–2.62) 2.58 (2.56–2.61) 2.53 (2.51–2.55) 2.53 (2.51–2.55) < 0.001
  lgDI2nd 2.19 (2.18–2.20) 2.12 (2.11–2.14) 2.07 (2.05–2.08) 2.04 (2.02–2.05) < 0.001
 Multivariable-adjusted meansa
  Fasting plasma glucose (mmol/L) 5.86 (5.82–5.91) 5.83 (5.79–5.86) 5.87 (5.84–5.91) 5.80 (5.76–5.85)  0.040
  30-min PG (mmol/L) 10.3 (10.2–10.4) 10.1 (10.0–10.2) 10.2 (10.1–10.3) 10.1 (9.94–10.2) 0.10
  2-h plasma glucose (mmol/L) 7.30 (7.13–7.46) 7.38 (7.25–7.52) 7.52 (7.38–7.65) 7.51 (7.35–7.67) 0.24
  lgDIearly 0.78 (0.76–0.80) 0.79 (0.77–0.81) 0.78 (0.76–0.80) 0.79 (0.77–0.81) 0.74
  lgDI1st 2.54 (2.51–2.57) 2.58 (2.55–2.60) 2.55 (2.53–2.57) 2.58 (2.56–2.61)  0.043
  lgDI2nd 2.11 (2.10–2.13) 2.11 (2.10–2.12) 2.09 (2.08–2.10) 2.10 (2.09–2.12) 0.12
Women
 Age-adjusted means
  Fasting plasma glucose (mmol/L) 5.75 (5.71–5.78) 5.80 (5.77–5.83) 5.81 (5.78–5.85) 5.88 (5.85–5.92) < 0.001
  30-min plasma glucose (mmol/L) 9.91 (9.82–10.0) 10.0 (9.92–10.1) 10.0 (9.94–10.1) 10.2 (10.1–10.3) < 0.001
  2-h plasma glucose (mmol/L) 7.49 (7.38–7.61) 8.00 (7.88–8.12) 8.12 (8.01–8.24) 8.41 (8.29–8.53) < 0.001
  lgDIearly 0.83 (0.82–0.85) 0.79 (0.78–0.81) 0.77 (0.75–0.78) 0.72 (0.70–0.73) < 0.001
  lgDI1st 2.60 (2.59–2.62) 2.59 (2.58–2.61) 2.58 (2.56–2.59) 2.55 (2.54–2.57) < 0.001
  lgDI2nd 2.13 (2.12–2.14) 2.10 (2.09–2.11) 2.08 (2.07–2.09) 2.04 (2.03–2.05) < 0.001
 Multivariable-adjusted meansa
  Fasting plasma glucose (mmol/L) 5.87 (5.83–5.90) 5.82 (5.79–5.85) 5.78 (5.75–5.81) 5.78 (5.74–5.82)  0.006
  30-min plasma glucose (mmol/L) 10.2 (10.1–10.3) 10.1 (9.96–10.1) 9.96 (9.88–10.1) 9.97 (9.87–10.1)  0.027
  2-h plasma glucose (mmol/L) 8.08 (7.96–8.21) 8.09 (7.97–8.20) 7.97 (7.85–8.08) 7.89 (7.76–8.01) 0.12
  lgDIearly 0.77 (0.75–0.79) 0.78 (0.77–0.80) 0.78 (0.77–0.80) 0.77 (0.75–0.79) 0.52
  lgDI1st 2.56 (2.55–2.58) 2.59 (2.57–2.61) 2.59 (2.57–2.60) 2.59 (2.57–2.60) 0.17
  lgDI2nd 2.08 (2.07–2.09) 2.09 (2.08–2.10) 2.09 (2.08–2.10) 2.09 (2.07–2.10) 0.78

Cut points of SFA (cm2) are 94.9, 124.0, and 155.6 in men and 127.5, 162.0, and 201.6 in women. Linear trend test tested by linear regression.

a

Adjusted for age, BMI, and visceral fat area.

DIearly, early-phase disposition index; DI1st, first-phase disposition index; DI2nd, second-phase disposition index; lg, log-transformed; SFA, subcutaneous fat area.