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Table 4 Multivariate association of demographic and questionnaire variables with chronic kidney disease

From: A simple questionnaire to detect chronic kidney disease patients from Long An province screening data in Vietnam

  No CKD CKD Odds ratio (95% CI)
(N) (%) (N) (%)
TOTAL 1774 100 260 100  
Age ≥ 50 491 27.7 152 58.5 2.0 (1.5–2.8)*
Male 816 46.0 113 43.5 0.9 (0.5–1.7)
Body mass index > 23 kg/m2 576 32.5 108 41.5 0.9 (0.7–1.3)
Increased waist circumference 251 14.1 72 27.7 1.4 (0.9–2.1)
Hypertension on screening 435 24.5 142 54.6 2.1 (1.5–2.9)*
History of diabetes 32 1.8 20 7.7 2.2 (1.1–4.2)*
History of hypertension 218 12.3 96 36.9 1.7 (1.2–2.5)*
History of kidney disease 192 10.8 33 12.7 0.9 (0.5–1.6)
History of hematuria 61 3.4 9 3.5 0.8 (0.3–1.6)
History of nocturia 449 25.3 103 39.6 1.4 (1.0–1.8)
History of cardiovascular disease 12 0.7 4 1.5 0.9 (0.2–3.0)
History of stroke 12 0.7 9 3.5 2.8 (1.0–7.3)
History of CHF 10 0.6 2 0.8 0.7 (0.1–3.2)
History of kidney stone 258 14.5 45 17.3 1.1 (0.6–1.7)
History of urinary tract infection 147 8.3 21 8.1 1.2 (0.7–1.7)
History of smoking 1199 67.6 181 69.6 0.7 (0.4–1.1)
History of drinking 700 39.5 100 38.5 1.3 (0.7–2.4)
History of low salt diet 63 3.6 33 12.7 2.3 (1.4–3.8)*
History of exercising 477 26.9 83 31.9 0. 8 (0.9–1.1)
Family history hypertension 783 44.1 105 40.4 1.5 (1.1–2.0)
Family history diabetes 184 10.4 28 10.8 0. 8 (0.5–1.3)
Family history of kidney disease 162 9.1 23 8.8 1.3 (0.8–2.1)
Family history stroke 221 12.5 45 17.3 1.7 (1.1–2.4)
  1. Multivariate odds ratios for each of the variables is shown along with confidence intervals
  2. * Indicates the variables which were used in the final model, based on a p < 0.001 and odds ratios > 1.7