Odds ratio (95% CI)2 | |||||
---|---|---|---|---|---|
1995 cf 1993 | 1997 cf 1995 | 1999 cf 1997 | 2001 cf 1999 | 2003 cf 2001 | |
All | 0.91 (0.78 to 1.07) | 1.00 (0.85 to 1.19) | 1.04 (0.91 to 1.19) | 0.99 (0.89 to 1.12) | 0.92 (0.82 to 1.03) |
Gender | |||||
Girls | 0.85 (0.69 to 1.05) | 1.06 (0.83 to 1.35) | 1.16 (0.96 to 1.39) | 1.00 (0.87 to 1.15) | 0.92 (0.79 to 1.08) |
Boys | 0.98 (0.85 to 1.14) | 0.90 (0.77 to 1.05) | 1.00 (0.83 to 1.21) | 1.01 (0.85 to 1.22) | 0.88 (0.76 to 1.01) |
School grade | |||||
9 | 0.86 (0.64 to 1.15) | 1.06 (0.79 to 1.42) | 0.99 (0.74 to 1.31) | 0.97 (0.74 to 1.28) | 0.85 (0.70 to 1.03) |
10 | 0.99 (0.79 to 1.25) | 0.86 (0.68 to 1.07) | 0.95 (0.77 to 1.16) | 1.11 (0.92 to 1.33) | 0.91 (0.76 to 1.08) |
11 | 0.91 (0.70 to 1.17) | 0.99 (0.75 to 1.30) | 0.93 (0.77 to 1.12) | 1.14 (0.98 to 1.32) | 0.95 (0.81 to 1.11) |
12 | 0.89 (0.76 to 1.05) | 1.11 (0.92 to 1.35) | 1.18 (0.94 to 1.47) | 0.78 (0.64 to 0.96)* | 0.98 (0.83 to 1.16) |
Race | |||||
NHW 3 | 0.97 (0.78 to 1.20) | 0.99 (0.77 to 1.27) | 1.02 (0.85 to 1.24) | 0.96 (0.84 to 1.11) | 0.94 (0.81 to 1.10) |
Black 4 | 0.76 (0.61 to 0.94)* | 1.03 (0.85 to 1.24) | 1.07 (0.87 to 1.32) | 1.18 (0.93 to 1.50) | 0.82 (0.66 to 1.02) |
HW 5 | 0.92 (0.71 to 1.19) | 1.14 (0.93 to 1.38) | 0.94 (0.73 to 1.20) | 1.01 (0.79 to 1.29) | 0.98 (0.83 to 1.16) |
Other | 0.92 (0.68 to 1.26) | 0.91 (0.64 to 1.30) | 1.17 (0.82 to 1.48) | 0.95 (0.70 to 1.28) | 0.98 (0.79 to 1.22) |