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Table 2 WC quartiles and rate per 1,000 person-years (95% confidence intervals) of participants during the 20-year follow-up

From: Prediction of cardiovascular disease risk using waist circumference among Aboriginals in a remote Australian community

  Males Females
Waist quartiles(cm) CVD cases Person-years Rate (95% CI) CVD cases Person-years Rate (95% CI)
Q1 28 2029.0 13.8 (9.5, 20.0) 25 1748.3 14.3 (9.7, 21.2)
Q2 27 1687.5 16.0 (10.9, 23.3) 37 1567.8 23.6 (17.1, 32.6)
Q3 44 1349.7 32.6 (24.3, 43.9) 50 1529.1 32.7 (24.8, 43.1)
Q4 57 1488.3 38.3 (29.6, 49.7) 65 1377.1 47.2 (37.1, 60.3)
  1. Quartiles for males (Q1 = 63–78 cm, Q2 = 79–85 cm, Q3 = 86–95 cm, Q4 = 96–138 cm).
  2. Quartiles for females (Q1 = 60–79 cm, Q2 = 80–90 cm, Q3 = 91–101 cm, Q4 = 101.5- 135 cm).