{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T21:47:40Z","timestamp":1782164860545,"version":"3.54.5"},"reference-count":40,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2007,1,2]],"date-time":"2007-01-02T00:00:00Z","timestamp":1167696000000},"content-version":"vor","delay-in-days":1006,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Paediatrica"],"published-print":{"date-parts":[[2004,4]]},"abstract":"<jats:p><jats:italic>Aim<\/jats:italic>: To study the prevalence of behavioural and emotional problems among children from different family types, sibship size and birth order. <jats:italic>Methods<\/jats:italic>: A prospective birth cohort (<jats:italic>n<\/jats:italic> = 9357) study where parents filled in two questionnaires and teachers assessed children's behaviour using the Rutter scale (RB2). <jats:italic>Results<\/jats:italic>: 14.3% scored above the cut\u2010off point (RB2 \u2265 9) indicating probable psychiatric disturbance, boys more often than girls (OR 2.6, 95% CI 2.3\u20133.0). Behavioural problems (9.2%) were more common than emotional ones (4.1%). Boys living in families other than two\u2010parent families were at risk for probable psychiatric disturbance, and a corresponding risk was observed for girls living in single\u2010parent or always one\u2010parent families. Other than two\u2010parent family was also a risk for behavioural problems; for boys adjusted odds ratios ranged significantly from 1.8 to 2.4 and for girls from 2.0 to 3.7. \u201cOnly children\u201d had the highest prevalence of behavioural problems, while children in very large families had the lowest. Living in a very large family was a protective factor against behavioural problems among boys but not among girls. Eldest children were at lower risk of behavioural problems than the other children. The single\u2010parent and always one\u2010parent family was associated with higher risk of emotional problems among girls.<\/jats:p><jats:p><jats:italic>Conclusion<\/jats:italic>: Children's psychiatric problems are manifested at school mostly as behavioural problems. A two\u2010parent family and being the oldest in the sibling series seem to be protective factors. Very large family size, if not connected to social disadvantages, does not seem to be a risk factor for children's behaviour.<\/jats:p>","DOI":"10.1111\/apa.2004.93.4.508","type":"journal-article","created":{"date-parts":[[2017,7,11]],"date-time":"2017-07-11T04:58:36Z","timestamp":1499749116000},"page":"508-517","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Is a large family a protective factor against behavioural and emotional problems at the age of 8 years?"],"prefix":"10.1111","volume":"93","author":[{"given":"A","family":"Taanila","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H","family":"Ebeling","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Kotimaa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I","family":"Moilanen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M-R","family":"J\u00e4rvelin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,1,2]]},"reference":[{"key":"e_1_2_1_2_1","series-title":"Social competence in children","first-page":"49","volume-title":"Primary preventions of psychopathology","author":"Rutter M.","year":"1979"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-8624.1990.tb02845.x"},{"key":"e_1_2_1_4_1","first-page":"25","article-title":"Birth order, development and personality","volume":"55","author":"Eisenman R","year":"1992","journal-title":"Acta"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/1469-7610.00344"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/1469-7610.00345"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s007870050124"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-7610.1990.tb00811.x"},{"key":"e_1_2_1_9_1","first-page":"256","volume-title":"Education, health and behaviour","author":"Rutter M","year":"1981"},{"key":"e_1_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.2466\/pms.1984.58.2.527"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/1099-0798(200010)18:5<605::AID-BSL406>3.0.CO;2-0"},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s001270050191"},{"issue":"1","key":"e_1_2_1_13_1","first-page":"7","article-title":"The Finnish national epidemiological study of child psychiatric disorders: results from prevalence screening in Northern Finland","volume":"53","author":"Linna S-L","year":"1994","journal-title":"Arctic Medical Research"},{"key":"e_1_2_1_14_1","first-page":"192","volume-title":"Lasten- ja nuorisopsykiatria","author":"Moilanen I.","year":"1996"},{"key":"e_1_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.126.6.493"},{"key":"e_1_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00573636"},{"key":"e_1_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1037\/h0079451"},{"key":"e_1_2_1_18_1","first-page":"55","volume-title":"A population-based study","author":"Kumpulainen K.","year":"1994"},{"key":"e_1_2_1_19_1","volume-title":"Official Statistics of Finland, 10","author":"Kartovaara L","year":"2002"},{"key":"e_1_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1993.tb12971.x"},{"key":"e_1_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-7610.1967.tb02175.x"},{"key":"e_1_2_1_22_1","unstructured":"Eurostat. 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