| | | Mean BMI (95% CI) | Difference (95% CI) BMI within education levels | PR | (95% CI) |
| Men | | | | | | Oslo | 109 | | | | | Education | | | | | | Preschool/primary | 12 | 26.3 (24.4, 28.2) | 0.18 (−1.97, 2.34) | 1.02 | 0.12, 8.86 | Secondary | 57 | 25.6 (24.9, 26.6) | −0.42 (−1.77, 0.93) | 1.33 | 0.35, 5.01 | University | 40 | 26.1 (25.1, 27.2) | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) | Hargeisa | 145 | | | | | Education | | | | | | Preschool/primary | 69 | 21.6 ((20.5, 22.7) | −1.23 (−3.05, 0.60) | 0.68 | 0.13 ,3.58 | Secondary | 31 | 21.9 (20.3, 23.4) | −0.97 (−2.96, 1.02) | 0.50 | 0.05, 4.50 | University | 45 | 22.9 (21.5, 24.2) | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) | Women | | | | | | Oslo | 111 | | | | | Education | | | | | | Preschool/primary | 59 | 30.6 (28.9, 32.3) | 1.42 (−2.06, 4.90) | 1.60 | 0.72, 3.56 | Secondary | 33 | 29.4 (27.1, 31.6) | 0.17 (−3.63, 3.97) | 1.99 | 0.89, 4.46 | University | 19 | 29.2 (26.1, 32.2) | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) | Hargeisa | 955 | | | | | Education | | | | | | Preschool/primary | 819 | 27.2 (26.9, 27.7) | 1.77 (0.24, 3.32) | 1.59 | 0.89, 2.84 | Secondary | 74 | 27.4 (26.2, 28.8) | 1.93 (−0.01, 3.88) | 1.83 | 0.96, 3.52 | University | 62 | 25.5 (24.1, 27.0) | 1.00 (ref) | 1.00 (ref) | 1.00 (ref) |
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