School Mobility and Achievement for Children Placed and Not Placed in Out-of-home Care

Figures & data

Table 1. Descriptive statistics for the NOHC and OHC groups.

	Cohort	N		Grades	Cogn ability	Parental educ	Migr backgr	Gender	Reloc1_3	Reloc4_6	Reloc7_9	Reloc1_9
NOHC	1972	8819	Mean	51.7	50.4	2.51	1.07	1.49	0.14	0.14	0.06	0.33
			SD	28.0	28.7	1.30	0.26	0.50	0.36	0.37	0.25	0.63
	1977	4218	Mean	50.9	50.5	2.70	1.09	1.49	0.15	0.13	0.06	0.34
			SD	28.2	28.8	1.24	0.28	0.50	0.37	0.39	0.27	0.67
	1982	8277	Mean	53.4	50.7	2.93	1.12	1.49	0.15	0.17	0.06	0.39
			SD	28.6	28.7	1.29	0.32	0.50	0.38	0.42	0.26	0.69
	1992	9622	Mean	53.7	50.5	3.05	1.12	1.49	0.15	0.16	0.11	0.42
			SD	27.8	28.8	1.22	0.33	0.50	0.38	0.43	0.34	0.72
	Total	30936	Mean	52.7	50.5	2.82	1.10	1.49	0.15	0.16	0.08	0.38
			SD	28.1	28.8	1.28	0.31	0.50	0.37	0.41	0.29	0.68
OHC	1972	263	Mean	28.4	34.9	2.10	1.20	1.47	0.36	0.38	0.32	1.04
			SD	26.4	29.6	1.22	0.40	0.50	0.54	0.64	0.56	1.08
	1977	126	Mean	25.1	32.2	2.20	1.20	1.44	0.44	0.34	0.35	1.11
			SD	21.6	26.6	1.00	0.40	0.50	0.60	0.62	0.56	1.13
	1982	338	Mean	23.4	30.6	2.17	1.22	1.52	0.38	0.38	0.28	1.04
			SD	24.5	26.5	1.22	0.42	0.50	0.55	0.58	0.54	1.03
	1992	372	Mean	25.6	34.7	2.17	1.25	1.55	0.32	0.41	0.35	1.09
			SD	25.4	26.8	1.14	0.43	0.50	0.53	0.63	0.60	1.02
	Total	1099	Mean	25.5	33.1	2.15	1.22	1.51	0.36	0.39	0.32	1.06
			SD	25.0	27.5	1.17	0.42	0.50	0.55	0.62	0.57	1.05

Notes: Grades = Percentile transformed grades: Cognitive ability = Percentiles of the sum of the three cognitive tests; Parental education = Mean of the six category scale of level of family education; Migration background = proportion of students with foreign background; Gender = proportion of females; Reloc1_3 = Relocations Grades 1–3; Reloc4_6 = Relocations Grades 4–6; Reloc7_9 = Relocations Grades 7–9; Reloc1_9 = Relocations Grades 1–9.

Table 2. Correlations among student background variables, frequency of relocations and grades.

	Gender	Migr backgr	Parental educ	Reloc1_3	Reloc4_6	Reloc7_9	Reloc1_9	Cogn ability	Grades
Gender	1.000
Migr backgr	−0.001	1.000
Parental educ	0.004	−.125**	1.000
Reloc1_3	0.003	.147**	−.015**	1.000
Reloc4_6	0.008	.108**	−0.001	.131**	1.000
Reloc7_9	0.009	.079**	−.018**	.088**	.139**	1.000
Reloc1_9	0.011	.176**	−.016**	.649**	.713**	.551**	1.000
Cogn ability	−0.003	−.156**	.314**	−.048**	−.048**	−.062**	−.081**	1.000
Grades	.191**	−.079**	.379**	−.078**	−.095**	−.131**	−.153**	.579**	1.000

Note: ** indicates that correlation is significant at the 0.01 level (2-tailed). For legend, see Table 1.

Table 3. Estimates of effects of relocations at different grade levels.

Parameter	B	Std. Error	t	Sig.	95% confidence interval
					Lower bound	Upper bound
Intercept	−5.79	0.74	−7.86	0.00	−7.23	−4.35
OHC	−12.83	0.78	−16.55	0.00	−14.35	−11.31
Reloc1_3	−2.29	0.36	−6.43	0.00	−2.99	−1.59
Reloc4_6	−2.84	0.35	−8.06	0.00	−3.53	−2.15
Reloc7_9	−7.42	0.46	−16.11	0.00	−8.32	−6.51
CognSum	0.49	0.00	103.58	0.00	0.48	0.50
ParentEd	4.88	0.11	45.89	0.00	4.67	5.08
Migration	5.12	0.44	11.60	0.00	4.26	5.99
Gender	10.95	0.26	42.79	0.00	10.45	11.46

Note: For legend, see Table 1.