Child- and parent-related determinants for out-of-home care in a nationwide population with neurodevelopmental disorders: a register-based Finnish birth cohort 1997 study.

Neurodevelopmental disorders (NDDs) are among the most common health issues in childhood and adolescence. Psychiatric disorders are known to be overrepresented among children using child welfare services and placed in out-of-home care (OHC). Child- and parent-related determinants for OHC among a national population with NDDs were evaluated utilising longitudinal register data from the national Finnish Birth Cohort 1997 (n = 58,802) from birth to 18 years (1997-2015). The cohort members with NDDs (n = 5,143, 9% of total cohort) formed our study population. Based on their history of OHC, cohort members with NDD were categorised to OHC (n = 903) and non-OHC groups (n = 4,240). Of all cohort members with NDDs, 17.6% had a history of OHC. Within NDDs, a significant excess of ADHD diagnosis was observed in the OHC group compared to the non-OHC group (49% vs. 26%). The OHC group with NDDs was significantly characterised by having comorbid psychiatric diagnosis for conduct and oppositional disorders (adj. RR 2.21), substance use disorders (adj. RR 1.61) and depression and anxiety disorders (adj. RR 1.60). Of all parent-related determinants, the most prevailing in the OHC group compared to the non-OHC group, was social assistance received by parent (88% vs. 44.5%). The longer the period (in years) for received social assistance, the greater the likelihood for OHC (adj. RRs range from 2.41 for one year to 5.24 for over 4 years). Further, significantly associating determinants for OHC were parental psychiatric disorders (adj. RR 1.42) and parental death (adj. RR 1.23). Our findings from the population-based cohort of children and adolescents with NDDs highlight the importance of screening and assessment of family situation. Also, effective prevention and treating of comorbid psychiatric disorders, especially conduct and oppositional disorders is essential.

The increasing association between child poverty and children in out-of-home care - an ecological longitudinal analysis of Finnish municipalities in the period 1992-2021.

BACKGROUND: International evidence indicates that child poverty increases the risk of child welfare intervention needs but Finland, paradoxically, has low child poverty rates and high child welfare intervention rates. We investigate the extent to which the rate of social assistance use in families with children, as a proxy for child poverty, can be associated with the rate of children in out-of-home care in Finnish municipalities. METHODS: Data on the annual rate of social assistance use and out-of-home care were drawn from national registers for 216 Finnish municipalities from 1992 to 2021. Linear regression models were utilised to investigate the extent to which the social assistance use rate explained child out-of-home care rates, both spatially and temporally, across municipalities and years while adjusting for the unemployment rate. RESULTS: The rate of out-of-home care increased from some 700 to 1600 per 100,000 children over the period 1992-2021. A percentage point higher rate of the social assistance use was associated with 44-72 more children placed in out-of-home care per 100,000 children, net of the unemployment rate. This association was stronger in more recent time periods. A smaller association was observed within municipalities over time: a percentage point increase in social assistant use was linked to some 4-25 more children placed in out-of-home care per 100,000 children. CONCLUSION: Out-of-home care is increasingly concentrated in Finnish municipalities with high rates of families receiving social assistance. Preventative child welfare interventions are therefore required in areas with higher rates of economic difficulties among families.

Contribution of parental health to the subsequent social assistance entry of the family with children: a nationwide register-linked birth cohort study in Finland.

AimOur aim in this paper was to estimate the contribution of different parental specialised health care diagnoses to the subsequent risk of entry into the social assistance system for families with children in the period 1998-2013. METHODS: We used longitudinal population-level register data consisting of all children born in 1997 in Finland and their registered parents (54 960 one and two-parent families with 801 336 observations in the period 1998-2013). Diagnoses assigned in public specialised healthcare and social assistance records were derived from nationwide administrative registers. Measures of parental socioeconomic status and previous diagnoses and the birth weight of the child were adjusted for in regression models which estimated the association between parental diagnoses and entry into the social assistance system in the following year. RESULTS: Families with a parent somatic diagnosis had a risk ratio of 1.4 for social assistance entry in the subsequent year of the diagnosis though substantial variation by diagnosis category was detected. Parent psychiatric diagnoses were linked to a higher, 3.01-fold risk of social assistance entry. Covariate adjustment reduced these risk ratios to 1.2 and 2.1, respectively. Some 2.9% of all social assistance entries may be attributed to parental psychiatric diagnoses while somatic health records account for another 7.2%, making their total contribution over 1/10th of all cases. CONCLUSION: Parental specialised healthcare records were associated with a higher risk of social assistance need. Thus more interventions to support financial management are required for parents with psychiatric diagnoses.

School performance and later diagnoses of nonaffective psychoses, bipolar disorder, and depression.

OBJECTIVE: It is unclear whether there are differences between specific school subject performance and later psychiatric disorders. We examined whether mean grade point average (MGPA) and specific school subjects associated with diagnoses of nonaffective psychoses, bipolar disorder and depression. METHODS: In this register-based study, we studied the Finnish population born in 1987 who had available MGPA and six specific school grades (age = 15.4-16.4 years; n = 50,508). Grades were analyzed with smoothing splines. Covariates included sex, urbanicity, parental education level and parental diagnosed psychiatric disorders. Outcomes were incident nonaffective psychosis, bipolar disorder and depression diagnosed in specialized services until year 2015 (age = 28.0-28.9 years). RESULTS: During the follow-up, 727 individuals were diagnosed with nonaffective psychoses, 489 with bipolar disorder and 3492 with depression. MGPA was inversely associated with all outcomes. In multivariate models including specific school subjects and covariates, the school subject with largest risk ratios (RR) was Physical Education (RR and Bonferroni-corrected confidence interval [CI] at -1.5 SD: nonaffective psychoses 1.63, 1.36-1.95; bipolar disorder 1.64, 1.30-2.05; depression 1.72, 1.53-1.93). Higher grades in Art were associated with nonaffective psychoses and depression (RR and Bonferroni-corrected CI at +1.5 SD: nonaffective psychoses 1.48, 1.11-1.96; depression 1.22, 1.07-1.38). CONCLUSION: There was a robust association between poorer scores on Physical Education and risk for psychosis, bipolar disorder and depression. Higher grades in Art were also associated with risk for later disorders. Subject specific school performance may be more informative about mental disorder risk than overall school performance.

Election promises on children's wellbeing and health 2015 to 2021 - a study of Finnish voting advice applications database.

BACKGROUND: According to the UN Convention on the Rights of the Child, children's views should be heard in policymaking. But it remains unclear to what extent children's wellbeing is considered in election promises. METHODS: We investigated the extent to which Finnish political candidates consider children and their wellbeing in their election promises. We used YLE, the national broadcaster's voting advice application database, and analysed some 35,000 politicians' election promises made in the 2015 and 2019 parliamentary and the 2017 and 2021 municipal elections. We calculated the proportion of candidates who mentioned children and examined the content of the election promises in which children were mentioned. Logistic regression models were used to examine the role of the background of the characteristics of candidates. RESULTS: In the 2015 and 2019 elections, some 12% and 19% of candidates, respectively, mentioned children in their election promises. The figures for the 2017 and 2021 municipal elections were higher at 19% and 24%, respectively. In the 2021 election, the candidates considering children in their election promises were younger and had higher education qualifications. Inspection of a random set of 350 promises indicated that common issues mentioned in respect of children were education and hobby activities. Concrete proposals to improve the wellbeing of children were rarely put forward. CONCLUSIONS: Political candidates are increasingly considering children in their election promises but concrete proposals to improve the wellbeing and health of children are rare. Effective policy solutions to improve the health of children should be discussed in election debates.

Psychiatric disorders diagnosed in adolescence and subsequent long-term exclusion from education, employment or training: longitudinal national birth cohort study.

BACKGROUND: Long-term 'not in education, employment or training' (NEET) status is an important indicator of youth marginalisation. AIMS: To carry out a comprehensive overview of the associations between different psychiatric illnesses and long-term NEET status. METHOD: We used the register-based 1987 Finnish Birth Cohort study, which includes all live births in Finland during that year. The analyses comprised 55 273 individuals after exclusions for intellectual disability, death or emigration. We predicted that psychiatric disorders, diagnosed by specialist services between 1998 and 2007 when the cohort were 10-20 years of age, would be associated with subsequent long-term NEET (defined as NEET for at least 5 years between 2008 and 2015, when they were 20-28 years of age). RESULTS: In total, 1438 individuals (2.6%) were long-term NEET during follow-up and the associations between long-term NEET and the 11 diagnostic categories we studied were statistically significant (P < 0.001). In multivariate models we included sociodemographic characteristics and upper secondary education as covariates, and the highest effect sizes, measured by odds ratios (OR) with 95% confidence intervals (CI), were found for psychosis (OR = 12.0, 95% CI 9.5-15.2) and autism spectrum disorder (OR = 17.3, 95% CI 11.5-26.0). If individuals had not successfully completed this education, 70.6% of those with autism spectrum disorder and 48.4% of those with psychosis were later long-term NEET. CONCLUSIONS: Adolescents who receive treatment for psychiatric disorders, particularly autism spectrum disorder or psychosis, need support to access education and employment. This could help to prevent marginalisation in early adulthood.

The association between treated psychiatric and neurodevelopmental disorders and out-of-home care among Finnish children born in 1997.

Comprehensive overviews of the use of psychiatric services among children and adolescents placed in out-of-home care (OHC) by child welfare authorities are scarce. We examine specialized service use for psychiatric and neurodevelopmental disorders among children and adolescents in a total population involving children in OHC. We used the longitudinal administrative data of a complete Finnish birth cohort 1997 (N = 57,174). We estimated risk ratios (RRs) for a range of diagnosed psychiatric and neurodevelopmental disorders among children in OHC. We also estimated RRs for OHC among those with diagnosed disorders. We used descriptive methods to explore the timing of first entry into OHC relative to the first diagnosis. Among children in OHC, 61.9% were diagnosed with any psychiatric or neurodevelopmental disorder, compared with 18.0% among those never in OHC (RR: 3.7; 95% CI 3.6-3.8). The most common diagnosed disorders among children in OHC were depression and anxiety disorders, neurodevelopmental disorders, and oppositional defiant disorder/conduct disorder (ODD/CD). Among all children with any diagnosis, 18.1% experienced OHC, compared with 2.5% among those without a diagnosis (RR: 7.4; 95% CI 6.9-7.9). Of those diagnosed with self-harm and suicidality, ODD/CD, substance-related disorders, and psychotic and bipolar disorders, 43.5-61.2% experienced OHC. Of the children in OHC receiving psychiatric services, half were diagnosed before first placement in OHC. The majority of children with experience in OHC were diagnosed with psychiatric or neurodevelopmental disorders. They comprised a significant proportion of individuals treated for severe and complex psychiatric disorders and self-harm.

Association between parental hospital-treated somatic illnesses in childhood and later mental disorders among offspring up to early adulthood: An explorative study in the 1987 Finnish Birth Cohort.

Aims: Earlier studies on the associations between parental somatic illnesses and children's psychological wellbeing have focused on the most common somatic illnesses or on specific groups of illnesses. In this study, we aimed to systematically examine whether parental somatic illnesses, diagnosed during an offspring's childhood, are associated with later mental disorders of the offspring and, if so, identify which parental somatic illnesses in particular increase the likelihood for later mental disorders among the offspring. Methods: The 1987 Finnish Birth Cohort study yields longitudinal nationwide follow-up data that include a complete census of children born in a single year. Children have been followed over time through to the year 2012 using official registers maintained by the Finnish authorities. Parental diagnoses of specialised hospital inpatient care were identified from the Hospital Discharge Register after children's birth and followed up until the end of 1995. Children's psychiatric diagnoses from specialised hospital care were identified from the same register for the periods 1996/1998-2012. Logistic regression analyses were used to calculate sex-specific odds ratios for associations of mental disorders with maternal and paternal somatic illnesses using parental death, education, social assistance and psychiatric inpatient care as covariates. Results: Parental somatic illnesses during an offspring's childhood seem to increase the risk for later mental disorders. Several previously unreported somatic parental illnesses were found to be significantly associated with offspring's later mental health. Conclusions: Parental somatic illnesses should be considered as a significant adverse childhood life event, calling for preventive actions and child-centred support in adult healthcare.

Determinants of long-term unemployment in early adulthood: A Finnish birth cohort study.

Cumulative contributions of social and health-related determinants to long-term unemployment during early working life among young adults are poorly understood. Therefore, we used four cumulative indices of both parental and own social and health-related determinants of such unemployment among a cohort which comprised a complete census of children born in Finland in 1987. The cohort participants were registered in the Medical Birth Register, and they were followed-up through 2015 (N = 46 521). We calculated predicted probabilities for long-term unemployment (> 12 months) when participants were 25-28 years. Moreover, we examined whether the associations differed by unemployment at the municipal level. During the follow-up, 4.5% of women and 7.1% of men experienced long-term unemployment. All cumulative indices of parental and own social and health-related determinants predicted the probability of long-term unemployment. The greatest probabilities were observed for own social determinants, both in municipalities with high and low unemployment although the probabilities were higher in the high-unemployment municipalities. Of the individual determinants, poor school performance showed the strongest association with long-term unemployment among women (OR 6.65, 95% CI 5.21-8.55) and men (OR 3.70, 95% CI 2.96-4.67), after adjusting for other own social determinants. The results highlight the importance of life course social equality in the prevention of long-term unemployment in early adulthood.

Collective Impact on Prevention: Let's Talk About Children Service Model and Decrease in Referrals to Child Protection Services.

Background: Families with parental mental health issues often have numerous problems needing multilevel measures to address them. The "Let's Talk about Children Service Model (LT-SM)" is a community-based service approach aiming at collectively impacting population needs regarding child protection services. Three municipalities in the Raahe District (RD) of Finland requested implementation of the LT Service Model. This paper describes the model and first results. Methods: The LT Service Model connects relevant stakeholders with families and their social networks aiming at the shared goal of supporting children's everyday life at home, kindergarten, school, and leisure environments. Parents, teachers, and other caretakers are supported by LT interventions. An infrastructure for collaboration, decision making, monitoring, training, and feedback is established, embracing health, social and educational services, and other stakeholders. Referrals to child protection services were compared with national data before (2009-2013) and after implementation of the LT Service Model (2013-2016). Analyses were conducted using the joinpoint regression method. Results: There was a significant decrease in the underage population referred to child protection services in RD (AAPC = -6.9; p = 0.013) between 2013 and 2016, in contrast with an increased rate nationwide (AAPC = 1.9; p = 0.020). Conclusion: In the LT Service Model, prevention starts in children's everyday life as the uniting, common goal for multiple stakeholders and an integrated service structure is developed to support this effort. The first results are promising, showing an appreciable decrease in referrals to child protection services, although further research with longer follow-up and across other municipalities is needed.

Pathways from parental mental disorders to offspring's work disability due to depressive or anxiety disorders in early adulthood-The 1987 Finnish Birth Cohort.

BACKGROUND: Parental mental disorders have been shown to predict offspring's mental health problems. We examined whether pathways from parental mental disorders to offspring's psychiatric work disability in early adulthood are mediated through offspring's mental disorders and social disadvantage in adolescence. METHODS: Study population consisted of the 1987 Finnish Birth Cohort. Data on parents' psychiatric care or work disability due to mental diagnosis between 1987 and 2000 and the cohort participants' health and social factors between 2001 and 2005 were derived from administrative national registers. From 2006 through 2015, 52,182 cohort participants were followed for admittance of psychiatric work disability due to depressive or anxiety disorders. First, we applied a pathway analysis to examine the occurrence of each path. We then used mediation analysis to assess the proportion of association between parental mental disorders and work disability mediated by offspring's health and social disadvantage. RESULTS: The pathway model indicated that the association from parental mental disorders to offspring's work disability due to depressive or anxiety disorder is through mental disorders and social disadvantage in adolescence. Odds Ratio for the total effect of parental mental disorders on offspring's psychiatric work disability was 1.85 (95% confidence interval [CI] 1.46-2.34) in the model including offspring's mental disorders that mediated this association by 35%. Corresponding results were 1.86 (95% CI 1.47-2.35) and 28% for social disadvantage in adolescence. CONCLUSIONS: These findings suggest that intergenerational determination of work disability due to mental disorders could be addressed by actions supporting mental health and social circumstances in adolescence.

Childhood determinants for early psychiatric disability pension: A 10-year follow-up study of the 1987 Finnish Birth Cohort.

BACKGROUND: Mental disorders can affect work ability and lead to early exit from the labour market through disability pension. AIMS: This study aimed to identify childhood determinants of psychiatric disability pension in early adulthood. METHODS: The 1987 Finnish Birth Cohort includes a complete census of children born in a single year. The children were followed up from birth until 31 December 2012 using official registers maintained by the Finnish authorities. Risk factors for disability pension were examined in the full 1987 cohort (N = 58,739) and among children who had received mental health care (N = 9,599). Odds ratios were calculated for disability pension due to all mental disorders and separately for schizophrenia, depressive and anxiety and other mental and behavioural disorders in association with childhood determinants. RESULTS: Altogether, 1.4% of cohort members had retired due to mental disorders in 2003-2012. In the full 1987 cohort, female sex, parental divorce and social assistance, both mother's and father's psychiatric care and mother's psychiatric disability pension increased the risk for disability pension due to mental disorders. Among children who had received mental health care, risk factors for psychiatric disability pension were father's psychiatric care and mother's psychiatric disability pension. CONCLUSION: Childhood determinants were related to the risk of psychiatric disability pension before the age of 25. The risk factors varied by the diagnosis of the disability pension. Using knowledge of this study's risk factors should enable the identification of adolescents and young adults in general population and especially in the mental health care population who are at greatest risk of receipt of psychiatric disability pension.

Out-of-home placement in early childhood and psychiatric diagnoses and criminal convictions in young adulthood: a population-based propensity score-matched study.

BACKGROUND: To ensure their protection and healthy development, children exposed to adverse family circumstances might be placed in foster homes, institutions, or kinship care (out-of-home placement). We aimed to compare the rates of psychiatric diagnoses and criminal convictions in young adulthood (ages 18-25 years) among children who were first placed at ages 2-6 years with those of children who were not placed and who had similar sociodemographic and family characteristics. METHOD: We did a population-wide cohort study using the 1987 Finnish Birth Cohort, which collects longitudinal data linking nationwide child welfare, medical, and criminal registers for all 59 476 livebirths in Finland in 1987. The exposure was the first out-of-home placement at ages 2-6 years. Outcomes were rates of psychiatric diagnoses, criminal convictions, and prescriptions for psychotropic medication filled at ages 18-25 years. We matched cases to non-placed controls using propensity score matching on parental characteristics (eg, age, psychiatric diagnoses, education, family structure) and child characteristics (eg, neurodevelopmental problems, prematurity). Differences in adult outcomes between children placed and matched controls were assessed by use of logistic regression on the matched cohort. FINDINGS: Of 54 814 individuals with complete data, 388 (1%) were first placed at ages 2-6 years; matched controls were identified for 386 of these children. At ages 18-25 years, those who had been placed as children had greater odds than never-placed controls of substance-related disorders (odds ratio 2·10, 95% CI 1·27-3·48), psychotic or bipolar disorders (3·98, 1·80-8·80), depression or anxiety (2·15, 1·46-3·18), neurodevelopmental disorders (3·59, 1·17-11·02), or other disorders (2·06, 1·25-3·39). Participants who were placed had more psychotropic medication prescriptions (1·96, 1·38-2·80) and higher rates of criminal convictions (violent offences, 2·43, 1·61-3·68; property offences, 1·86, 1·17-2·97). INTERPRETATION: Preschool children who are placed out-of-home are at risk of adverse outcomes as adults, even accounting for their initial circumstances. It is important to explore which conditions lead to more or less favourable outcomes in child protection. FUNDING: Academy of Finland.

Psychiatric diagnoses of children affected by their parents' traumatic brain injury: the 1987 Finnish Birth Cohort study.

OBJECTIVE: To investigate whether parental TBI increases the overall risk for psychiatric disorders and the risk for specific psychiatric diagnoses in the children affected by parental TBI. METHODS: The 1987 Finnish Birth Cohort (n = 59 476) were followed up through national registers from birth to the end of 2008. The diagnoses of cohort members and their parents were obtained from the Care Register of Health Care, provided by the National Institute of Health and Welfare. RESULTS: During the 21-year follow-up, the likelihood for psychiatric diagnoses being assessed in psychiatric care was significantly increased in males with any mental disorder (odds ratio (OR) = 1.43), substance-use-related disorders (OR = 1.71) and behavioural and emotional disorders (OR = 1.75), and in females with disorders of psychological development (OR = 1.85). CONCLUSIONS: Children affected by parental TBI are at increased risk for psychiatric disorders: males for externalizing disorders and females for developmental disorders. Observed gender interactions in the association between parental TBI and the psychiatric disorders of children warrant further study.

Parental hospital-treated somatic illnesses during offspring's childhood associated with later offspring use of psychotropic medication during childhood to young adult - The 1987 Finnish Birth Cohort study.

This study aimed to systematically examine whether parental hospital-treated somatic illnesses, diagnosed during an offspring's childhood (1987-1995), are associated with later use of psychotropic medication (1996-2012) by the offspring. If so, which parental somatic illnesses, in particular, increase the likelihood for later use of psychotropic medication among the offspring. The 1987 Finnish Birth Cohort study yields longitudinal nationwide follow-up data that include a complete census of children born in a single year. A total 58,551 offspring are included in this study and, of these 57,752 had a known father. Offspring who had used psychotropic medication between the ages of 9 and 24 years, more often had parents who had experienced a greater number of somatic illnesses when their child was aged under 9, compared to offspring without any use of psychotropic medication. The specific parental somatic illnesses early in life, for example disorders of female tract (OR 1.12, 95%CI 1.01-1.23), pregnancy with abortive outcome (1.18, 1.09-1.28), paternal acute infections (1.20, 1.05-1.38), and paternal symptoms, signs, and ill-defined conditions (1.21, 1.03-1.42), were found to be associated with psychotropic medication treatment using parental-related determinants; death, education, receipt of social assistance and psychiatric inpatient care as covariates. This suggests that these specific parental somatic illnesses can affect psychological well-being of the offspring. Preventive actions and support for the child, should be provided in situations where a parent with a somatic illness has limited ability to care for and rear their child.

Temporal changes in the incidence of treated psychiatric and neurodevelopmental disorders during adolescence: an analysis of two national Finnish birth cohorts.

BACKGROUND: Comprehensive overviews of the temporal changes in treated psychiatric and neurodevelopmental disorders during adolescence are scarce. We reviewed data from two national cohorts, 10 years apart, to establish the change in use of specialised services for psychiatric and neurodevelopmental diagnoses in Finland. METHODS: We compared the nationwide register-based incidence of psychiatric and neurodevelopmental diagnoses between the 12th birthday and 18th birthday of adolescents born in Finland in 1987 and 1997. Adolescents who emigrated or died before their 12th birthday and those with missing covariate data were excluded, as were those who, when aged 11 years, had lived in a municipality belonging to a hospital district with obviously incomplete data reports during any follow-up years in our study. Our primary outcomes were time to incident specialised service use for any psychiatric or neurodevelopmental disorder and for 17 specific diagnostic classes. We also investigated whether adolescents who died by suicide had accessed specialised services before their deaths. FINDINGS: The cumulative incidence of psychiatric or neurodevelopmental disorders increased from 9·8 in the 1987 cohort to 14·9 in the 1997 cohort (difference 5·2 percentage points [95% CI 4·8-5·5]) among girls, and from 6·2 in the 1987 cohort to 8·8 in the 1997 (2·6 percentage points [2·4-2·9]) among boys. The hazard ratio for the overall relative increase in neurodevelopment and psychiatric disorders in the 1997 cohort compared with the 1987 cohort was 1·6 (95% CI 1·5-1·8) among girls and 1·5 (1·4-1·6) among boys. Of the studied diagnostic classes, we noted significant (ie, p<0·001) relative increases for ten of 17 diagnoses among girls and 11 among boys. Of the adolescents who died by suicide before age 18, only five of 16 in the 1987 cohort and two of 12 in the 1997 cohort had used specialised services in the 6 months before their death. INTERPRETATION: The large absolute rise in service use for psychiatric or neurodevelopmental disorders points to the need to deliver effective treatment to a rapidly increased patient population, whereas the relative increase in specific diagnoses should inform clinical practice. Despite increasing service use, identification of adolescents at risk of suicide remains a major public health priority. FUNDING: Academy of Finland, Brain and Behavior Research Foundation, Finnish Medical Foundation.

Depression and Violence in Adolescence and Young Adults: Findings From Three Longitudinal Cohorts.

OBJECTIVE: Despite recent research demonstrating associations between violence and depression in adults, links in adolescents are uncertain. This study aims to assess the longitudinal associations between young people's depression and later violent outcomes. METHOD: We used data from three cohorts with different measurements of depression exposures and subsequent violent outcomes. In a Dutch community cohort Research on Adolescent Development And Relationships (RADAR; N = 623) and a population-based British birth cohort Avon Longitudinal Study of Parents and Children (ALSPAC; N = 4,030), we examined the longitudinal links between adolescent depressive symptoms and violent behaviors from age 13 to 17 years. In a total Finnish birth cohort (FBC 1987; N = 57,526), we estimated risk of violent convictions in individuals clinically diagnosed with depression from age 15 to 27 years. RESULTS: During a mean follow-up period of 4 years, the adjusted odds ratio (aOR) of violent behaviors per unit of increase in depressive symptoms was 1.7 (95% CI = 1.2-2.5) in the Dutch RADAR community sample and 1.8 (95% CI = 1.4-2.3) in the British ALSPAC birth cohort. In the FBC 1987 cohort, the aOR of violent convictions was 2.1 (95% CI = 1.7-2.7) among individuals with a depression diagnosis compared with general population controls without depression. All risk estimates were adjusted for family socioeconomic status and previous violence. CONCLUSION: Consistent findings across three longitudinal studies suggest that clinical guidelines should consider recommending risk assessment for violence in young people with depression. The benefits of targeting risk management in subgroups by gender need further investigation.

Antidepressant use and violent crimes among young people: a longitudinal examination of the Finnish 1987 birth cohort.

BACKGROUND: The use of antidepressants, especially selective serotonin reuptake inhibitors (SSRIs), has been questioned due to poor efficacy and safety. We examined whether young violent offenders were more likely antidepressant users prior to their first violent offence than other young persons. METHODS: The study is a follow-up of children born in Finland in 1987 (n=59 120), linking national registers to each other using personal identity codes. Data on psychotropic drug use came from a register of reimbursed drugs and data on crimes from a register on court convictions (after the age of 14 years). Participants were followed until the age of 18 years, and for some analyses until the end of the follow-up (mean 21 years). To adjust for differences in background characteristics, regression analyses for antidepressant use were made, using the no-conviction group as the reference. RESULTS: Proportions of young people convicted by the age of 18 years were: 5% of boys (1.7% for violent crimes) and 1% (0.5%) of girls. Antidepressant use (both overall and for SSRIs) prior to violent crime was more common among those convicted than among those without convictions. Among boys with repeated violent crimes, it was also more common than among boys with non-violent crimes. Adjustment for differences in background characteristics decreased the associations between antidepressant use and violent crime, but did not eliminate them. CONCLUSIONS: The results add further evidence for caution in prescribing antidepressants among young persons. It also calls for a reanalysis of violence measures in the original trial data.