Ten-year changes in the psychosocial well-being, psychopathology, substance use, suicidality, bullying, and sense of coherence of 18-year-old males: a Finnish population-based time-trend study.

We studied Finnish 18-year-old males attending obligatory military call-up assessments in 1999 (n = 2340) and 2009 (n = 4309) on time-trend changes in psychosocial well-being, psychopathology, substance use, suicidality, bullying, and sense of coherence. Subjects filled in questionnaires, including the Young Adult Self-Report (YASR) for psychopathology and the Orientation to Life Questionnaire (SOC-13) for sense of coherence. The prevalence of minor mental health problems in the last 6 months decreased from 22.3% in 1999 to 18.6% in 2009 (OR 0.8, 95% CI 0.7-0.9), whereas severe mental health problems remained stable. Suicidal thoughts decreased from 5.7 to 3.7% (OR 0.6, 95% CI 0.5-0.8). The use of illicit drugs decreased from 6.0 to 4.7% (OR 0.8, 95% CI 0.6-0.95), but being drunk at least once a week increased from 10.3 to 13.4% (OR 1.3, 95% CI 1.0-1.5). Attention problems increased in YASR syndrome domains (mean score 2.9 vs 3.2, p < 0.001) and so did somatic complains (mean score 1.7 vs 1.9, p = 0.005). The SOC-13 scores remained stable. The percentage of males who had studied during the past 6 months increased from 91.4 to 93.4% (OR 1.3, 95% CI 1.1-1.6), while being employed decreased from 64.9 to 49.4% (OR 0.5, 95% CI 0.5-0.6). The positive findings included reductions in the prevalence of suicidal thoughts and the use of illicit drugs, but being drunk at least once a week increased. Self-reported somatic problems and attention problems increased. Despite changes in society and family structures, there were only minor overall changes in psychopathology.

Separate and interactive contributions of weak inhibitory control and threat sensitivity to prediction of suicide risk.

Biobehavioral dispositions can serve as valuable referents for biologically oriented research on core processes with relevance to many psychiatric conditions. The present study examined two such dispositional variables-weak response inhibition (or disinhibition; INH-) and threat sensitivity (or fearfulness; THT+)-as predictors of the serious transdiagnostic problem of suicide risk in two samples: male and female outpatients from a U.S. clinic (N=1078), and a population-based male military cohort from Finland (N=3855). INH- and THT+ were operationalized through scores on scale measures of disinhibition and fear/fearlessness, known to be related to DSM-defined clinical conditions and brain biomarkers. Suicide risk was assessed by clinician ratings (clinic sample) and questionnaires (both samples). Across samples and alternative suicide indices, INH- and THT+ each contributed uniquely to prediction of suicide risk-beyond internalizing and externalizing problems in the case of the clinic sample where diagnostic data were available. Further, in both samples, INH- and THT+ interactively predicted suicide risk, with individuals scoring concurrently high on both dispositions exhibiting markedly augmented risk. Findings demonstrate that dispositional constructs of INH- and THT+ are predictive of suicide risk, and hold potential as referents for biological research on suicidal behavior.

Distinct variants of extreme psychopathic individuals in society at large: evidence from a population-based sample.

This study used model-based cluster analysis to identify subtypes of men who scored high in overall psychopathy (i.e., ≥ 95th percentile on the Triarchic Psychopathy Measure; n = 193) from a larger sample evaluated for service in the Finnish military (N = 4043). Cluster variates consisted of scores on distinct facets of psychopathy together with a measure of negative affectivity. The best-fitting model specified 2 clusters, representing "primary" (n = 110) and "secondary" psychopathy (n = 83) groups. Compared to a low-psychopathy comparison group (n = 1878), both psychopathy subgroups showed markedly elevated levels of externalizing symptoms and criminal behavior. Secondary psychopathic participants also reported high levels of internalizing problems including anxiousness, depression, and somatization, and scored higher on the disinhibition facet of psychopathy relative to the primary group. By contrast, primary psychopathic individuals reported fewer internalizing problems than either the secondary psychopathy or comparison groups and scored higher on the boldness facet of psychopathy. Primary psychopathic participants also had higher rates of violent crimes than the secondary psychopaths. Implications for conceptualizing and studying psychopathy in nonforensic populations are discussed.

Childhood predictors of military fitness: a prospective, community-based, follow-up study from age 8 to age 18.

Knowledge of the impact of childhood psychosocial problems on success in military service is scarce. The purpose of the study was to assess whether childhood psychosocial problems are associated with suitability for military service. The subjects were 2,622 Finnish boys born in 1981. They were first assessed with the Rutter parent and teacher questionnaires and self-reports (Children's Depression Inventory) at age 8. Their suitability for military service was assessed at age 18. A wide range of childhood problems, especially internalizing disorders, predicted release from military service. All informants had predictive association with later suitability for military service. The majority of children with psychiatric problems were later estimated to be fit for military service. The results show a predictive association between childhood psychiatric problems and early adult psychosocial impairment, as estimated by the ability to serve in the military forces.

Police-registered offenses and psychiatric disorders among young males : the Finnish "From a boy to a man" birth cohort study.

OBJECTIVE: To study associations between crime and psychiatric disorders among adolescent males in a representative population-based cohort study. METHOD: The sample includes 2,712 Finnish boys born in 1981. Information on criminality consists of offenses registered in the Finnish National Police Register 1998-2001. Crime was classified according to frequency and type (drug, violent, property, traffic, and drunk driving offenses). Information on psychiatric diagnoses between 1999 and 2004 was collected from the Finnish National Military Register. RESULTS: Of the 2,712 boys, 22% had a crime registration during the 4-year period, and 10% had at least one psychiatric disorder according to the Military Register. Those with psychiatric disorders accounted for 49% of all crimes. Of those with more than five crimes (n = 98), 59% had psychiatric diagnoses. After adjusting for other crime types and childhood socio-economic status, property crime was independently associated with several diagnoses: antisocial personality (APD), substance use (SUD), psychotic, anxiety, and adjustment disorders. Drug offending was independently associated with APD, SUD, and psychotic disorder, and traffic offenses with APD. CONCLUSIONS: Youth crime is predominantly associated with antisocial personality and substance use disorders. Crime prevention efforts should focus on boys showing a risk for antisocial and substance use problems. In particular, property, drug, and repeat offenders need mental health and substance use assessment. There is a need to develop integrated mental health and substance use treatment services for young offenders within or alongside the criminal justice system.

Adaptive functioning, psychopathology and service use among 18-year-old boys with drunkenness-related alcohol use.

AIMS: To study the associations between drunkenness frequency and adaptive functioning, psychopathology and service use among 18-year-old Finnish boys in a nation-wide population-based study. METHODS: Information about drunkenness frequency within the previous six months was collected from the Finnish boys born in 1981 (n = 2306) at the boys' obligatory military call-up in 1999. Self-report questionnaires were used to study demographic factors, adaptive functioning, risk behaviour, life events, and mental health service use. Psychopathology and adaptive functioning was assessed with the Young Adult Self-Report (YASR) questionnaire. RESULTS: Of the boys, 85% reported drunkenness within the previous 6 months. Most of the subjects were occasionally drunk: 39% reported drunkenness less than a month, and 35% less than once a week, while 10% reported being frequently drunk once a week or more often. Occasional drunkenness was associated with better adaptive functioning and psychosocial well-being in general. Refraining from drunkenness was associated with suicidal ideation and internalizing problems in the YASR scale. Frequent drunkenness associated with daily smoking, illicit drug use, and externalizing problems in the YASR scale, especially delinquent behaviour. In the multivariate analysis, number of friends, having a regular relationship and cigarette smoking had a linear association with frequency of drunkenness, while drunkenness-related alcohol use was less common among those with poor friendship quality. Among the participants, entering substance use treatment was rare (0.2%). Frequent drunkenness was found to be common among mental health service users. CONCLUSIONS: Among late-adolescent boys, occasional drunkenness is a normative alcohol use pattern and associates with social competence and good psychosocial functioning. Late-adolescent boys refraining from drunkenness in addition to those with frequent drunkenness may be in a need of mental health assessment. As entering substance use treatment is infrequent, establishing integrated services with multi-professional co-operation for late-adolescent males with frequent drunkenness is emphasized.

Sense of coherence among Finnish young men--a cross-sectional study at military call-up.

The aim of this study was to study associations between sense of coherence (based on Antonovsky's theory), and mental health problems, the use of mental health services, substance use, predisposition to suicide and possible psychiatric diagnosis among Finnish young men. The study included 2314 18-year-old young men who attended military call-up in autumn 1999 and completed the 13-item Orientation to Life Questionnaire (SOC-13) questionnaire (89.1% of the study sample attending military call-up). Furthermore, all young men had a medical examination at military call-up, including evaluation of possible psychiatric disorder. Suicidality, perceived mental health problems, psychiatric diagnosis at military call-up medical examination, use of mental health services, excessive alcohol consumption and use of illicit drugs were identified as independent factors associated with sense of coherence. Sense of coherence is a valuable construction in psychiatric evaluation of adolescents. SOC-13 can be used both in clinical practice and in epidemiological research to evaluate the adolescent's health resources. Future research on its applications in clinical practice is warranted.

Factors associated with ideation and acts of deliberate self-harm among 18-year-old boys. A prospective 10-year follow-up study.

BACKGROUND: The aims of the study were: (1) to identify the prevalence of ideation and acts of deliberate self-harm in 18-year-old boys; (2) to report the use of mental health services among these boys; (3) to identify risk factors assessed at age 8 and (4) to identify associated cross-sectional factors at age 18 of self-reported ideation and acts of deliberate self-harm. METHODS: The participants in this community-based 10-year follow-up study consisted of 2,348 boys born during 1981. At baseline, three informant sources were used: parents, teachers and the children themselves. The questionnaires used were the Rutter Parents Scale, the Rutter Teacher Scale and the Children's Depressive Inventory. At follow-up, boys' psychopathology, adaptive functioning and substance use were studied using the Young Adult Self-Report questionnaire. Further questions about demographic factors and life events were added at both stages. RESULTS: The prevalence of ideation of deliberate self-harm was 4.0%, and of acts 2.2%, during the preceding 6 months. Of the subjects who reported ideation, 9.7%, and of those who reported acts, 16.0%, had used mental health services during the previous year. Self-reported depressive symptoms at age 8 predicted ideation and acts of deliberate self-harm 10 years later. Suicidal boys' problems in many life areas were linked with suicidal tendency through psychiatric symptoms, especially anxious/depressed symptoms and aggressive behaviour. CONCLUSIONS: The connection between self-reported depressive symptoms at age 8 and ideation and acts of deliberate self-harm at age 18 is a good reason to already pay special attention to children's own intimations of distress in elementary school. It is likely that an effective way to prevent suicidality among adolescents is to search for and treat psychiatric problems among young people. Self-reported screening questionnaires used, e.g. in school healthcare, may provide an opportunity to recognize these problems.

Recognition of psychiatric disorders, and self-perceived problems. A follow-up study from age 8 to age 18.

OBJECTIVE: To study the rate of, and factors associated with, recognition of psychiatric disorders and self-perceived problems among 18-year-old adolescent boys. METHOD: The study population consisted of 2347 Finnish boys born during 1981 attending military call-up (79.7% of the original sample). At age 8, the boys were evaluated by parental and teacher Rutter scales and by self-reports using the Child Depression Inventory (CDI). At military call-up 10 years later, the boys filled in the Young Adult Self-Report (YASR). Information about psychiatric disorders recognized at the military call-up health examination was obtained from the national military register. RESULTS: About 4.6% of boys were recognized as having a psychiatric disorder at the military call-up medical examination. In addition, 23.1% of boys reported emotional, behavioral or relational difficulties but were not recognized as having an ICD 10 psychiatric diagnosis at the military call-up medical examination. A higher level of psychopathology, problems across different life domains and early onset of problems were more strongly associated with recognition of psychiatric disorder than with self-reports of difficulties without a recognized psychiatric disorder. All informant sources, parents, teachers and children themselves at age 8, independently predicted recognition of psychiatric disorders and perceived difficulties 10 years later. CONCLUSIONS: Only a minority of adolescents with psychiatric problems are recognized as having a psychiatric disorder in the health services. Efforts to prevent psychiatric disturbance in early life are emphasized. The use of screening methods in school health settings to detect children in need of child mental health services is justified.

Childhood predictors of psychiatric disorders among boys: a prospective community-based follow-up study from age 8 years to early adulthood.

OBJECTIVE: To study early childhood predictors for early adulthood psychiatric disorders. METHOD: The sample included 2,712 Finnish boys born in 1981. Information about the 8-year-old boys' problem behavior was obtained from parents, teachers, and children. The 10-15-year follow-up information about psychiatric disorders in early adulthood was based on the national military register between the years 1999 and 2004. RESULTS: According to the military register, 10.4% of men had a psychiatric disorder. All informant sources, parents, teachers, and the children themselves predicted early adulthood psychiatric disorders. Conduct symptoms at age 8 independently predicted substance abuse, antisocial personality, and psychotic disorders in early adulthood. Self-reported depressive symptoms, poor school performance, and living in a nonintact family had an independent predictive association with antisocial personality and depressive disorders. Parent-reported emotional symptoms and self-reported psychosomatic symptoms independently predicted anxiety disorders. About one third of those who had used services at age 8 had a psychiatric disorder in early adulthood. Among service users, conduct and hyperkinetic symptoms predicted psychiatric disorders in early adulthood. CONCLUSIONS: Efforts to prevent early adult psychiatric disturbance already present in childhood are emphasized. Active screening to detect children in need of early interventions in childhood to prevent negative development in early adulthood is justified.

Factors associated with depressive symptoms among 18-year-old boys: a prospective 10-year follow-up study.

BACKGROUND: The aim is to study associative and predictive factors for self-reported depressive symptoms among 18-year-old boys. METHODS: The participants in this community-based 10-year follow-up study consisted of 2348 boys born during 1981. At baseline, three informant sources were used: parents, teachers, and the children themselves. At follow-up, self-report questionnaires were used to study boys' family factors, life events, adaptive functioning, and substance use. Depressive symptoms at age 18 were established using Beck's Depression Inventory (BDI). RESULTS: Poor adaptive functioning within family and in education, having fewer than two close friends, somatic health problems, and using illicit drugs were all independently associated with a high level of depressive symptoms in the cross-sectional data at age 18. Self-reported depressive symptoms (Children's Depression Inventory, CDI) at age 8 independently predicted an increased number of depressive symptoms 10 years later. LIMITATIONS: Only self-reported questionnaires were used at follow-up. CONCLUSIONS: The high association between depressive symptoms at age 8 and at age 18 gives grounds for paying special attention to children's own intimations of distress already in the early school years. Using self-report screening questionnaires in school health care may help identify children's depressive symptoms.

Mental health service use among 18-year-old adolescent boys: a prospective 10-year follow-up study.

OBJECTIVE: To study prevalence and factors associated with mental health service use among 18-year-old adolescent boys. METHOD: Predictors at age 8 and factors at age 18 associated with mental health service use during the preceding 12 months were studied in a general population sample of 2,316 Finnish boys born in 1981 attending military call-up (79% of the original sample). RESULTS: Within the preceding 12 months, 2.1% of the boys had used mental health services. At age 18, internalizing, anxious-depressive, and withdrawal symptoms; health problems; not living with parents; use of illicit drugs; high level of alcohol use; and regular smoking were independently associated with service use. At age 8, a high level of emotional and behavioral symptoms, need for referral, and low school performance according to teacher evaluations predicted service use 10 years later. CONCLUSIONS: Only a minority of adolescents with severe problems had used mental health services. Because of the wide range of problems and comorbidity among service users, there is a need for integration of different services. Education services have a central role in the early detection of those who will later use mental health services.