Term | Reference category | Estimate | SE | 95% CI | Chisq* | P |
---|---|---|---|---|---|---|
Intercept |  | −0.281 | 0.071 | −0.430, − 0.144 | – | – |
Test predictors | ||||||
 Age a |  | 0.134 | 0.044 | 0.037, 0.227 | – | – |
 Sex (Male) | Female | 0.100 | 0.047 | 0.001, 0.191 | – | – |
 Age a: Sex (Male) | Female | 0.162 | 0.047 | 0.092, 0.272 | 10.510 | 0.001 |
 orphan (Yes) | No | −0.122 | 0.046 | − 0.220, − 0.027 | 6.376 | 0.012 |
Control predictors | ||||||
 SGb |  | 0.690 | 0.024 | 0.641, 0.740 | 131.566 | < 0.001 |
  North group | East group | −0.104 | 0.081 | −0.263, 0.060 | 4.129 | 0.127 |
  South group | 0.047 | 0.073 | −0.110, 0.195 | |||
 Sine Julian date |  | 0.053 | 0.030 | −0.006, 0.117 | 27.019 | < 0.001 |
 Cosine Julian date |  | 0.186 | 0.031 | 0.120, 0.250 |