Table 2

Crude prevalence of IFG, IGT, total pre-diabetes, and total diabetes and pre-diabetes in Sri Lankan adults, SLHAS 2018/2019

IFG*IGT†Total pre-diabetes (IFG or IGT)Dysglycemia
N6525482748274827
All adults23.2 (21.3 to 25.1)18.9 (17.0 to 20.8)30.5 (28.2 to 32.7)53.4 (50.8 to 56.1)
Age (years)
 18–2913.3 (10.4 to 16.3)14.0 (10.8 to 17.3)21.7 (17.9 to 25.5)25.4 (21.5 to 29.2)
 30–3922.9 (18.9 to 27.0)20.8 (16.4 to 25.1)32.1 (27.2 to 37.0)47.7 (43.1 to 52.3)
 40–4924.7 (21.2 to 28.2)22.6 (18.4 to 26.8)32.9 (28.6 to 37.2)60.3 (55.8 to 64.9)
 50–5929.3 (25.7 to 32.8)19.4 (15.9 to 23.0)36.5 (32.0 to 41.0)71.9 (67.2 to 76.6)
 60–6927.7 (23.8 to 31.5)17.5 (14.0 to 21.0)31.4 (26.7 to 36.1)74.2 (69.7 to 78.7)
 70–7930.4 (26.5 to 34.3)19.7 (15.0 to 24.5)35.0 (29.0 to 41.0)72.9 (66.7 to 79.0)
 80+38.7 (27.6 to 49.8)26.9 (13.8 to 39.9)33.8 (20.8 to 46.9)72.9 (59.2 to 86.6)
Sex
 Men25.2 (22.8 to 27.7)14.4 (12.2 to 16.7)30.3 (27.5 to 33.0)50.4 (47.4 to 53.3)
 Women21.4 (19.3 to 23.5)22.9 (20.2 to 25.5)30.7 (27.7 to 33.7)56.2 (52.8 to 59.6)
BMI (kg/m2)
 Underweight (<18.5)16.4 (13.1 to 19.7)11.2 (7.7 to 14.6)21.4 (16.6 to 26.2)28.2 (22.6 to 33.8)
 Normal (18.5–24.9)23.1 (20.5 to 25.7)15.8 (13.8 to 17.8)29.4 (26.6 to 32.2)50.0 (46.6 to 53.4)
 Overweight (25.0–29.9)23.8 (21.1 to 26.6)23.0 (19.8 to 26.1)32.2 (28.8 to 35.6)62.1 (58.7 to 65.5)
 Obese (≥30)30.7 (25.8 to 35.7)30.5 (24.4 to 36.7)42.4 (35.7 to 49.2)74.0 (69.0 to 79.1)
Asian BMI categories (kg/m2)
 Underweight (<18.5)16.4 (13.1 to 19.7)11.2 (7.7 to 14.6)21.4 (16.6 to 26.2)28.2 (22.6 to 33.8)
 Normal (18.5–22.9)21.4 (18.6 to 24.1)14.1 (11.6 to 16.6)27.9 (24.6 to 31.1)46.1 (42.2 to 50.0)
 Overweight (23.0–24.9)26.5 (22.8 to 30.3)19.2 (15.5 to 22.8)32.4 (27.7 to 37.1)57.7 (52.3 to 63.1)
 Obese (≥25)25.5 (23.1 to 28.0)24.8 (21.9 to 27.6)34.6 (31.3 to 37.9)65.0 (62.1 to 67.9)
  • Estimates are given as % (95% CI). All estimates are weighted as described in text to match the Sri Lankan adult population in 2019 with respect to age, sex, ethnicity, region and area socioeconomic development.

  • *IFG 100–126 mg/dL.

  • †IGT 2-hour plasma glucose 140–199 mg/dL.

  • BMI, body mass index; IFG, impaired fasting glucose; IGT, impaired glucose tolerance; SLHAS, Sri Lanka Health and Ageing Study.