Table 1.

Missing pattern.

Creativity	Frequency	Percent (%)	Completed cases
y1	49	0.7	7,077
y2	140	1.9	6,844
y3	512	7.0	6,310
y4	652	8.9	6,050
y5	812	11.1	5,786

In the case of year 1 (r = −0.045), year 3 (r = −0.026), and year 4 (r = −0.048), academic achievement was negatively correlated with those missingness, but the correlation size was negligible. In year 3, self-management was positively correlated with missingness (r = 0.024). In year 5, missingness was positively correlated with interaction with parents.