1998 | 2001 | 2004 | 2007 | 2010 | |
---|---|---|---|---|---|
Male | |||||
OPPOS | ref | ref | ref | ref | ref |
BOTH | 1.36 (1.19, 1.55) | 1.43 (1.25, 1.64) | 1.73 (1.51, 1.99) | 1.33 (1.19, 1.48) | 1.60 (1.43, 1.80) |
SAME | 0.86 (0.62, 1.19) | 0.63 (0.44, 0.90) | 0.87 (0.63, 1.20) | 1.12 (0.86, 1.47) | 1.10 (0.84, 1.44) |
Female | |||||
OPPOS | ref | ref | ref | ref | ref |
BOTH | 1.66 (1.30, 2.13) | 1.76 (1.45, 2.14) | 2.36 (1.96, 2.84) | 2.27 (1.92, 2.68) | 2.33 (2.00, 2.71) |
SAME | 0.67 (0.36, 1.24) | 0.56 (0.33, 0.97) | 1.08 (0.69, 1.70) | 0.79 (0.52, 1.20) | 1.24 (0.87, 1.78) |