Table 6.
Birth quartile and performance in the CHL: Results from quantile regression.
| Outcome | Birth quartile (with 95% Confidence Intervals) | ||||
|---|---|---|---|---|---|
| Constant | Q1 | Q2 | Q3 | Q4 | |
| GP75 | 64 (62.94–65.06) | 66* (0.81–3.19) | 66* (0.75–3.25) | 66* (0.66–3.34) | 64 (n/a) |
| GP90 | 68 (67.46–68.54) | 68 (−0.61–0.61) | 68 (−0.64–0.64) | 68 (−0.69–0.69) | 68 (n/a) |
| Pts75 | 38 (30.25–45.75) | 40 (−6.37–10.74) | 40 (−7.14–11.15) | 42 (−5.83–13.83) | 38 (n/a) |
| Pts90 | 52 (41.69–62.31) | 62** (−1.61–21.61) | 64** (−0.16–24.16) | 63 (−2.06–24.06) | 52 (n/a) |
| 5 vs. 5 Pts75 | 28 (11.58–14.41) | 28 (−0.69–2.68) | 27 (−0.73–2.73) | 31*** (−0.83–2.83) | 28 (n/a) |
| 5 vs. 5 Pts90 | 36 (20.14–23.86) | 42 (−0.21–4.21) | 41 (−1.29–3.29) | 45* (−0.42–4.42) | 36 (n/a) |
| PPpts 75 | 6 (3.53–8.47) | 8 (−0.78–4.78) | 8 (−0.91–4.91) | 11*** (−0.13–6.13) | 6 (n/a) |
| PPpts 90 | 12 (8.75–15.25) | 15 (−0.67–6.67) | 16*** (0.16–7.84) | 15 (−1.13–7.13) | 12 (n/a) |
*
Games Played (GP): Q175-Q275 > Q475, p < 0.01.
**
5 vs. 5 pts: Q190 > Q490; Q190 Q290 > Q490, p < 0.10.
***
PP Pts: Q375 > Q475, p = 0.10; Q190 > Q490, p < 0.05; Q290 > Q490, p < 0.05; Q390 > Q490, p = 0.10.