Item | Coef. | S.E | t | p-value | 95% CI | DW | |
---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Bid-winning products | |||||||
Baseline level, β0 | 0.500 | 0.006 | 79.930 | 0.000 | 0.486 | 0.513 | 1.983 |
Baseline trend, β1 | − 0.001 | 0.001 | − 0.360 | 0.725 | − 0.004 | 0.003 | |
Level change, β2 | − 0.391 | 0.010 | −41.020 | 0.000 | − 0.411 | − 0.370 | |
Trend change, β3 | − 0.002 | 0.002 | −1.120 | 0.280 | − 0.006 | 0.002 | |
Non-winning products | |||||||
Baseline level, β0 | 0.491 | 0.010 | 49.150 | 0.000 | 0.470 | 0.513 | 2.172 |
Baseline trend, β1 | − 0.001 | 0.002 | − 0.500 | 0.628 | − 0.006 | 0.004 | |
Level change, β2 | − 0.034 | 0.015 | −2.190 | 0.046 | −0.067 | − 0.001 | |
Trend change, β3 | −0.003 | 0.003 | −1.170 | 0.262 | −0.010 | 0.003 |