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Table 1 Odds ratios for the association between ease of recruitment and mobility in and risk factors and outcomes

From: Hypertension and diabetes in Africa: design and implementation of a large population-based study of burden and risk factors in rural and urban Malawi

  Category Crude OR (95 % CI) Age group and sex adjusted OR (95 % CI) ***p < 0.05
Comparing those recruited on first visit to subsequent visit
 Diabetes
  1 visit Ref Ref
  2/3 visit 1.19 (0.89–1.61) 1.14 (0.84–1.55)
 Hypertension
  1 visit Ref Ref
  2/3 visit 1.00 (0.88–1.15) 0.93 (0.79–1.08)
 Overweight (BMI ≥ 25)
  1 visit Ref Ref
  2/3 visit 1.07 (0.97– 1.19) 1.21 (1.08–1.34)***
 Alcohol user
  1 visit Ref Ref
  2/3 visit 1.47 (1.31–1.65) 1.15 (1.01–1.30)***
 Smoker
  1 visit Ref Ref
  2/3 visit 1.07 (0.83–1.38) 0.72 (0.56–0.94)***
 Top two wealth quintiles
  1 visit Ref Ref
  2/3 visit 1.22 (1.10–1.35) 1.21 (1.10–1.34)***
Weekend recruitment (urban site only)
 Diabetes
  Mon–Fri Ref Ref
  Sat–Sun 1.05 (0.78–1.42) 0.99 (0.73–1.35)
 Hypertension
  Mon–Fri Ref Ref
  Sat–Sun 0.94 (0.82–1.07) 0.85 (0.74–0.99)***
 Overweight
  Mon–Fri Ref Ref
  Sat–Sun 0.96 (0.87–1.05) 1.09 (0.98–1.21)
 Alcohol user
  Mon–Fri Ref Ref
  Sat–Sun 1.53 (1.37– 1.71) 1.20 (1.06–1.36)***
 Smoker
  Mon–Fri Ref Ref
  Sat–Sun 1.01 (0.78–1.29) 0.67 (0.52–0.87)***
 Top two wealth quintiles
  Mon–Fri Ref Ref
  Sat–Sun 1.25 (1.13–1.37) 1.24 (1.12–1.36)***
Permanence of residence (urban site only)
 Diabetes
  ≥1 year Ref Ref
  <1 year 0.42 (0.26–0.69) 0.75 (0.45–1.22)
 Hypertension
  ≥1 year Ref Ref
  <1 year 0.57 (0.45–0.65) 0.85 (0.70–1.05)
 Overweight
  ≥1 year Ref Ref
  <1 year 0.67 (0.60–0.76) 0.76 (0.67–0.86)***
 Alcohol user
  ≥1 year Ref Ref
  <1 year 0.75 (0.65–0.87) 0.80 (0.68–0.95)***
 Smoker
  ≥1 year Ref Ref
  <1 year 0.76 (0.55–1.05) 0.96 (0.69–1.35)
 Top two wealth quintiles
  ≥1 year Ref Ref
  <1 year 0.79 (0.70–0.88) 0.79 (0.70–0.88)***