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Table 2 Age-adjusted and multivariate-adjusted odds ratios of elevated HOMA-IR according to categories of waist circumference

From: Waist circumference and insulin resistance: a cross-sectional study of Japanese men

  Number of men (%) Odds ratio (95% confidence interval)
Waist (cm) Total Elevated HOMA-IR* Age-adjusted Multivariate-adjusted†
< 80 1375 58 (4.2) 1.0 (referent) 1.0 (referent)
80–84 1307 156 (11.9) 3.0 (2.2–4.2) 3.2 (2.3–4.3)
85–89 1141 296 (25.9) 7.8 (5.8–10.5) 8.2 (6.1–11.0)
90–94 645 247 (38.3) 13.9 (10.3–19.0) 15.2 (11.1–20.8)
95+ 332 216 (65.1) 42.2 (29.8–59.7) 45.2 (31.8–64.4)
  1. * The top quintile of HOMA-IR (≥ 2.00).
  2. † Adjusted for age, rank in the Self-Defense Forces, smoking, and alcohol use.
  3. HOMA-IR, homeostasis model assessment of insulin resistance.