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Table 3 Crude and adjusted BMI (body mass index), weight, height and WC (waist circumference), according to area of residence and maternal education, presented as means (95% CI)

From: Adiposity among children in Norway by urbanity and maternal education: a nationally representative study

   BMI Weight Height WC
(kg/m2) (kg) (cm) (cm)
Area of residence N (%) Crude Adjusteda Crude Adjusteda Crude Adjusteda Crude Adjusteda
   Mean Mean Mean Mean Mean Mean Mean Mean
(95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI)
Urban 1256 16.7 16.7 29.2 29.3 132.0 132.0 57.9 58.0
(42) (16.5-16.9) (16.5-16.9) (28.9-29.5) (29.0-29.6) (131.6-132.4) (131.6-132.3) (57.4-58.5) (57.5-58.5)
Semiurban 1252 16.9 16.9 29.5 29.5 131.6 131.6 58.6 58.6
(42) (16.6-17.2) (16.6-17.2) (28.9-30.0) (29.0-30.0) (131.2-132.0) (131.2-132.0) (58.0-59.3) (58.0-59.3)
Rural 460 17.2 17.1 30.1 30.1 132.0 132.1 59.2 59.1
(16) (16.9-17.4) (16.9-17.4) (29.6-30.6) (29.6-30.5) (131.3-132.8) (131.4-132.8) (58.6-59.9) (58.6-59.7)
p-value*   0.01 0.03 0.01 0.02 0.65 0.87 < 0.01 0.01
Maternal education N (%) Crude Adjusted b Crude Adjusted b Crude Adjusted b Crude Adjusted b
  Mean Mean Mean Mean Mean Mean Mean Mean
(95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI)
Tertiary 1421 16.7 16.7 29.2 29.2 132.0 132.1 57.8 57.9
(48) (16.5-16.8) (16.5-16.8) (28.9-29.5) (28.9-29.6) (131.7-132.4) (131.8-132.4) (57.4-58.3) (57.5-58.4)
Secondary 1058 17.1 17.1 29.9 29.8 131.8 131.8 59.1 59.0
(36) (16.8-17.3) (16.8-17.3) (29.4-30.3) (29.3-30.3) (131.3-132.3) (131.3-132.3) (58.6-59.6) (58.5-59.5)
Primary 489 16.9 16.9 29.4 29.3 131.3 131.3 58.6 58.6
(16) (16.6-17.2) (16.7-17.2) (28.8-29.9) (28.8-29.9) (130.8-131.8) (130.8-131.8) (57.9-59.3) (58.0-59.2)
p-value*   0.03 0.03 0.20 0.28 < 0.01 < 0.01 < 0.01 0.01
  1. a) adjusted for maternal education and gender, b) adjusted for area of residence and gender, *) p-value for test for trend.
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