| Boys | Girls | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Parental occupation | Parental occupation | ||||||||||
 | High | Medium |  | Low |  |  | High | Medium |  | Low |  |  |
 |  | OR | 95% CI | OR | 95% CI | p2 |  | OR | 95% CI | OR | 95% CI | p2 |
Belgium (Flanders) | 1.00 | 1.24 | (0.96–1.61) | 1.40 | (1.05–1.86) | ns | 1.00 | 1.35 | (1.00–1.81) | 1.69 | (1.21–2.36) | ** |
Canada | 1.00 | 1.18 | (0.84–1.65) | 1.09 | (0.75–1.59) | ns | 1.00 | 1.30 | (0.96–1.75) | 1.16 | (0.83–1.63) | ns |
Croatia | 1.00 | 1.25 | (0.87–1.80) | 1.44 | (1.03–2.03) | ns | 1.00 | 1.01 | (0.67–1.53) | 0.80 | (0.53–1.20) | ns |
Czech Republic | 1.00 | 0.95 | (0.72–1.26) | 1.60 | (1.18–2.16) | ** | 1.00 | 1.18 | (0.86–1.62) | 1.36 | (0.98–1.88) | ns |
Denmark | 1.00 | 1.33 | (0.96–1.83) | 1.29 | (0.96–1.73) | ns | 1.00 | 1.21 | (0.86–1.69) | 1.05 | (0.77–1.44) | ns |
Estonia | 1.00 | 0.88 | (0.65–1.18) | 1.09 | (0.83–1.43) | ns | 1.00 | 0.85 | (0.61–1.19) | 1.00 | (0.74–1.36) | ns |
Finland | 1.00 | 1.34 | (1.03–1.75) | 1.20 | (0.89–1.63) | ns | 1.00 | 1.35 | (1.04–1.74) | 1.37 | (1.02–1.85) | ** |
France | 1.00 | 0.73 | (0.53–1.01) | 0.76 | (0.57–1.01) | ns | 1.00 | 0.44 | (0.29–0.67) | 0.76 | (0.55–1.05) | ** |
Germany | 1.00 | 1.12 | (0.83–1.52) | 0.91 | (0.65–1.27) | ns | 1.00 | 1.31 | (0.95–1.81) | 1.08 | (0.76–1.55) | ns |
Greece | 1.00 | 1.02 | (0.71–1.46) | 1.04 | (0.72–1.50) | ns | 1.00 | 1.04 | (0.68–1.60) | 0.83 | (0.52–1.31) | ns |
Hungary | 1.00 | 1.41 | (1.04–1.91) | 1.55 | (0.98–2.48) | * | 1.00 | 1.13 | (0.81–1.56) | 1.05 | (0.70–1.60) | ns |
Ireland | 1.00 | 1.03 | (0.62–1.70) | 1.63 | (0.97–2.76) | ns | 1.00 | 1.61 | (1.08–2.40) | 1.45 | (0.89–2.36) | * |
Israel | 1.00 | 1.04 | (0.77–1.40) | 0.85 | (0.59–1.24) | ns | 1.00 | 0.75 | (0.50–1.12) | 0.68 | (0.43–1.07) | ns |
Italy | 1.00 | 1.33 | (0.87–2.03) | 1.15 | (0.72–1.84) | ns | 1.00 | 0.83 | (0.53–1.30) | 1.11 | (0.67–1.84) | ns |
Latvia | 1.00 | 0.77 | (0.53–1.12) | 0.81 | (0.58–1.13) | ns | 1.00 | 1.12 | (0.74–1.69) | 1.17 | (0.78–1.74) | ns |
Malta | 1.00 | 0.66 | (0.36–1.22) | 0.89 | (0.53–1.48) | ns | 1.00 | 1.16 | (0.64–2.11) | 0.80 | (0.42–1.50) | ns |
Norway | 1.00 | 1.05 | (0.75–1.48) | 1.29 | (0.89–1.87) | ns | 1.00 | 0.92 | (0.65–1.29) | 1.52 | (1.05–2.19) | ** |
Poland | 1.00 | 1.43 | (1.09–1.90) | 1.29 | (0.97–1.70) | * | 1.00 | 1.03 | (0.74–1.42) | 0.69 | (0.49–0.96) | * |
Portugal | 1.00 | 1.11 | (0.69–1.80) | 1.43 | (0.94–2.17) | ns | 1.00 | 1.48 | (0.80–2.75) | 1.60 | (0.91–2.79) | ns |
Russia | 1.00 | 1.22 | (0.98–1.53) | 1.46 | (1.13–1.87) | * | 1.00 | 0.93 | (0.74–1.17) | 1.27 | (0.99–1.63) | * |
Scotland | 1.00 | 1.14 | (0.81–1.60) | 1.14 | (0.85–1.54) | ns | 1.00 | 0.93 | (0.65–1.34) | 1.34 | (0.99–1.82) | ns |
Slovenia | 1.00 | 1.40 | (0.99–1.99) | 1.57 | (1.12–2.19) | * | 1.00 | 1.42 | (0.92–2.19) | 1.11 | (0.72–1.71) | ns |
Spain | 1.00 | 1.16 | (0.76–1.75) | 1.31 | (0.93–1.85) |  | 1.00 | 0.98 | (0.66–1.47) | 0.75 | (0.54–1.05) | ns |
Sweden | 1.00 | 1.89 | (1.21–2.96) | 1.57 | (1.11–2.22) | ** | 1.00 | 1.01 | (0.65–1.57) | 1.21 | (0.86–1.71) | ns |
Switzerland | 1.00 | 0.96 | (0.66–1.40) | 1.04 | (0.71–1.51) | ns | 1.00 | 1.11 | (0.70–1.77) | 0.82 | (0.51–1.33) | ns |
Ukraine | 1.00 | 1.12 | (0.73–1.73) | 1.04 | (0.82–1.34) | ns | 1.00 | 0.84 | (0.57–1.24) | 0.88 | (0.68–1.13) | ns |
USA | 1.00 | 1.22 | (0.85–1.73) | 1.25 | (0.85–1.84) | ns | 1.00 | 0.91 | (0.64–1.29) | 1.00 | (0.69–1.43) | ns |
Wales | 1.00 | 1.45 | (1.04–2.02) | 1.24 | (0.94–1.62) | ns | 1.00 | 1.09 | (0.77–1.53) | 1.21 | (0.90–1.63) | ns |
All countries | 1.00 | 1.08 | (1.02–1.14) | 1.15 | (1.09–1.21) | *** | 1.00 | 1.01 | (0.95–1.07) | 1.02 | (0.96–1.08) | ns |