Weighted percentage (95% CI)2 | |||||
---|---|---|---|---|---|
1995 cf 1993 | 1997 cf 1995 | 1999 cf 1997 | 2001 cf 1999 | 2003 cf 2001 | |
All | 1.03 (0.85 to 1.24) | 1.12 (0.91 to 1.38) | 0.90 (0.76 to 1.06) | 0.98 (0.85 to 1.13) | 1.19 (1.01 to 1.41)* |
Gender | |||||
Girls | 1.08 (0.84 to 1.38) | 1.13 (0.85 to 1.51) | 0.82 (0.65 to 1.03) | 0.95 (0.79 to 1.15) | 1.14 (0.93 to 1.40) |
Boys | 0.96 (0.81 to 1.14) | 1.18 (1.00 to 1.38) | 0.93 (0.74 to 1.17) | 1.00 (0.79 to 1.25) | 1.35 (1.11 to 1.63) |
School grade | |||||
9 | 1.34 (1.00 to 1.78)* | 1.09 (0.81 to 1.47) | 0.89 (0.66 to 1.20) | 0.92 (0.69 to 1.22) | 1.36 (1.06 to 1.73) |
10 | 0.89 (0.67 to 1.16) | 1.46 (1.11 to 1.91)* | 0.90 (0.66 to 1.21) | 0.92 (0.68 to 1.22) | 1.25 (1.-2 to 1.53)* |
11 | 1.11 (0.81 to 1.53) | 0.95 (0.67 to 1.34) | 1.10 (0.85 to 1.42) | 0.98 (0.79 to 1.21) | 1.08 (0.88 to 1.34) |
12 | 0.93 (0.71 to 1.21) | 1.09 (0.78 to 1.51) | 0.84 (0.62 to 1.15) | 1.11 (0.87 to 1.42) | 1.15 (0.89 to 1.47) |
Race | |||||
NHW 3 | 0.93 (0.75 to 1.15) | 1.16 (0.90 to 1.51) | 0.93 (0.75 to 1.15) | 1.01 (0.86 to 1.18) | 1.19 (0.94 to 1.51) |
Black 4 | 1.16 (0.95 to 1.43) | 1.05 (0.83 to 1.34) | 0.92 (0.65 to 1.30) | 0.76 (0.55 to 1.06) | 1.27 (1.03 to 1.55) |
HW 5 | 1.25 (0.94 to 1.65) | 0.82 (0.59 to 1.13) | 1.03 (0.76 to 1.40) | 1.02 (0.79 to 1.31) | 1.14 (0.95 to 1.37) |
Other | 1.10 (0.66 to 1.81) | 1.33 (0.79 to 2.25) | 0.67 (0.45 to 0.99)* | 1.23 (0.88 to 1.72) | 1.05 (0.81 to 1.37) |