Table 2

Weighted estimates of overall and sex-specific prevalence of prediabetes among adult Canadians (20+ years of age) according to FPG-only, HbA1c-only, and FPG-or-HbA1c diagnostic criteria

Diagnostic criteriaOverall prevalence (%)Sex-specific prevalence (%)
MalesFemales
FPG (6.1–6.9 mmol/L)4.3 (3.4, 5.3)6.4 (4.6, 8.8)*2.22 (1.7, 3.0)*
HbA1c (6.0–6.4%; 42–48 mmol/mol)12.5 (8.7, 17.8)11.8 (8.1, 16.8)13.31 (8.9, 19.5)
FPG or HbA1c15.2 (11.4, 19.9)15.8 (11.8, 20.7)14.61 (10.4, 20.1)
ADA guidelines
 FPG (5.6–6.9 mmol/L)13.3 (11.5, 15.3)18.1 (15.3, 21.3)*8.6 (6.6, 11.1)*
 HbA1c (5.7–6.4%; 39–48 mmol/mol)33.1 (25.6, 41.7)32.6 (24.7, 41.5)33.7 (24.5, 43.1)
 FPG or HbA1c38.3 (31.8, 45.1)39.7 (33.0, 46.7)36.9 (29.7, 44.6)
  • Data are presented as the prevalence (95% CI). Note: The denominator for prediabetes prevalence excludes individuals with self-reported diabetes and undiagnosed diabetes.

  • *Sex-specific estimates are significantly different, P < 0.0001.