Table 1

Description of study population and measures used in data collection, 2013

Area	Population*		Child welfare actions			Home help¶	Psychiatric referrals
	Population*		Notification†	Intervention‡	Placement§		Psychiatric referrals
	aged 0–9 (n)	10–19 (n)	aged 0–17 (n)	0–17 (n)	0–17 (n)		0–17 (n)	13–22 (n)
Alavieska	348	406	65	48	7	0		5
Haapajärvi	1020	1106	132	190	21	20	8	12
Haapavesi	976	1065	77	108	18	0	3	4
Hailuoto	80	87	19	11	0	0	1
Ii	1584	1311	161	209	7	19	11	5
Kalajoki	1647	1605	125	66	21	8	1	1
Kempele	2852	2496	428	264	32	54	19	9
Kuusamo	1649	1887	137	233	49	89	3	7
Kärsämäki	323	367	47	97	12	9	2	1
Liminka	2351	1708	248	120	10	31	11	7
Lumijoki	435	324	46	126	14		3
Merijärvi	178	179	13	8	0	0
Muhos	1550	1361	165	127	20	52	8	9
Nivala	1803	1606	284	275	34	0	6	6
Oulainen	999	1078	164	106	19	0	6	3
Oulu	26 476	23 337	4822	3719	672	860	110	105
Pudasjärvi	890	1036	103	121	21	0	4	3
Pyhäjoki	408	406	64	36	6	7
Pyhäjärvi	574	587	107	123	16	6	3	2
Pyhäntä	211	234	25	7	0	4
Raahe	3354	3183	570	321	80	60	19	12
Reisjärvi	380	404	76	59	8	9
Sievi	952	911	122	132	13	0	1	3
Siikajoki	848	790	136	83	20	10	8	3
Siikalatva	613	677	62	74	10	0	4	5
Taivalkoski	438	552	46	40	17	0	2	3
Tyrnävä	1562	1076	156	139	9	1	3	6
Utajärvi	319	360	48	82	10	0	5	2
Vaala	254	365	117	59	17	22	7	6
Ylivieska	2182	1869	290	326	39	0	7	12
Total	57 256	52 373	8855	7309	1182	1270	258	239

*Population by age group, year-end total.
†Number of child welfare notifications.
‡Number of child welfare interventions and in community care.
§Number of placements outside the home.
¶Home help, recipient families with children.