Table 3. Contribution of changes in population weights and ethnic-specific rates of entry to care to overall changes in the proportion of children entering out-of-home care (absolute percentage points).

	By age 1	By age 2	By age 3	By age 4	By age 5	By age 6	By age 7
Actual overall change	0.14	0.15	0.04	0.08	0.08	0.06	0.05
Attributable to change in population weight
- White	–0.03	–0.03	–0.03	–0.03	–0.03	–0.02	–0.02
- Mixed	0.02	0.02	0.02	0.02	0.02	0.02	0.01
- Asian	0.005	0.01	0.01	0.01	0.01	0.005	0.005
- Black	0.005	0.01	0.01	0.01	0.01	0.004	0.004
- Other	0.01	0.01	0.01	0.01	0.01	0.005	0.005
Attributable to change in rate of entry to OHC
- White	0.15	0.15	0.04	0.07	0.07	0.04	0.03
- Mixed	–0.003	–0.01	–0.01	–0.003	–0.001	0.002	0.004
- Asian	–0.004	–0.005	–0.002	0.003	0.003	0.002	0.001
- Black	–0.002	–0.01	–0.004	–0.005	–0.01	0.01	0.005
- Other	–0.003	–0.003	–0.001	–0.001	0.001	–0.002	–0.004
Calculated changea	0.15	0.14	0.04	0.08	0.08	0.07	0.04

OHC = out-of-home care. Additional details related to decomposition methodology and results given in Supplementary Box 1.

^aAs ethnicity was not recorded for all individuals there may be slight differences between actual overall change and the change calculated by summing ethnic-specific changes.