Estimated value (km) | 95% confidence interval (km) | p value | ||
---|---|---|---|---|
Female (reference: male) | 0.69 | 0.65–0.74 | 0.1690 | |
Registration year (reference: 1978) | 1980 | 1.07 | 0.91–1.27 | 0.4020 |
1982 | 0.94 | 0.79–1.11 | 0.4400 | |
1984 | 0.72 | 0.61–0.85 | 0.0000 | |
1986 | 0.87 | 0.74–1.02 | 0.0810 | |
1988 | 0.72 | 0.61–0.85 | 0.0000 | |
1990 | 0.81 | 0.69–0.96 | 0.0130 | |
1992 | 0.87 | 0.74–1.03 | 0.1030 | |
1994 | 1.06 | 0.90–1.25 | 0.4680 | |
1996 | 0.97 | 0.82–1.14 | 0.7020 | |
1998 | 0.87 | 0.74–1.03 | 0.1040 | |
2000 | 0.84 | 0.71–0.99 | 0.0350 | |
2002 | 0.70 | 0.59–0.83 | 0.0000 |