Katja Kokko

ORCID: 0000-0002-8747-2080
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About
Contact & Profiles
Research Areas
  • Psychological Well-being and Life Satisfaction
  • Health disparities and outcomes
  • Physical Activity and Health
  • Child and Adolescent Psychosocial and Emotional Development
  • Research in Social Sciences
  • Employment and Welfare Studies
  • Aging and Gerontology Research
  • Resilience and Mental Health
  • Youth Education and Societal Dynamics
  • Identity, Memory, and Therapy
  • Personality Traits and Psychology
  • Behavioral Health and Interventions
  • Eating Disorders and Behaviors
  • Psychological and Temporal Perspectives Research
  • Retirement, Disability, and Employment
  • Bullying, Victimization, and Aggression
  • Cardiac Health and Mental Health
  • Mental Health Research Topics
  • Personality Disorders and Psychopathology
  • Early Childhood Education and Development
  • Family Support in Illness
  • Health and Wellbeing Research
  • Telemedicine and Telehealth Implementation
  • COVID-19 and Mental Health
  • Menopause: Health Impacts and Treatments

University of Jyväskylä
2016-2025

Finnish Society of Sciences and Letters
2020

University of Michigan
2017

In-Q-Tel
2005

Kinetic Art & Technology (United States)
2005

Finland University
2005

Trajectories of prosocial behavior and physical aggression between 6 12 years age were identified for a sample ( N =1,025) males. The trajectories then used to predict school dropout violence at 17. Using group‐based semi‐parametric method, two prosociality (low moderate declining) three (low, moderate, high obtained. Only small minority (3.4%) the boys characterized by both prosociality. Physical predicted violence, but contrary expectations, did not have additive or protective effects.

10.1111/j.1532-7795.2006.00500.x article EN Journal of Research on Adolescence 2006-07-28

The present study was designed to shed light on specific risk mechanisms and protective factors in the relation between aggression childhood long-term unemployment adulthood. Participants were drawn from ongoing Jyväskylä Longitudinal Study of Personality Social Development; data gathered at ages 8 (N = 369), 14, 27, 36 years (n 311) used study. Teacher-rated age related subsequent through a cycle maladaptation. Specifically, predicted school maladjustment which both directly indirectly (via...

10.1037//0012-1649.36.4.463 article EN Developmental Psychology 2000-01-01

To study the links of family background, child and adolescent social behaviour, (mal)adaptation with heavy drinking by age 20 frequency drinking, binge Cut-down, Annoyed, Guilt, Eye-opener (CAGE) questionnaire scores problems due to at ages 27 42 years.In Finnish Jyväskylä Longitudinal Study Personality Social Development, data have been collected interviews, inventories questionnaires. Behavioural were gathered 8 14; on alcohol consumption 14, 20, 27, 36 42.A total 184 males 163 females;...

10.1111/j.1360-0443.2008.02176.x article EN Addiction 2008-04-17

This study investigated the stability of Big Five personality traits in adulthood from age 33 to 42. Participants (89 men, 103 women) were drawn ongoing Jyväskylä Longitudinal Study Personality and Social Development. The results showed that mean‐level Neuroticism decreased whereas Extraversion, Openness Experience, Agreeableness, Conscientiousness increased Structural Equation Modeling analyses revealed both gender differences similarities rank‐order Five: Extraversion more stable men than...

10.1111/j.1467-9450.2007.00609.x article EN Scandinavian Journal of Psychology 2007-11-19

(1) To determine the effects of a 9-month resistance training intervention on quality life, sense coherence, and depressive symptoms in older adults, (2) to compare between different frequencies. Men women aged 65–75 (N = 106) were randomized four groups according frequency: RT1 (n 26), RT2 27), RT3 28) non-training control group 25). All attended supervised twice week for 3 months. For following 6 months, they continued with frequencies (1, 2 or times per week). Psychological functioning...

10.1007/s11136-017-1733-z article EN cc-by Quality of Life Research 2017-11-09

Abstract Background Social distancing, that is, avoiding places with other people and staying at home, was recommended to prevent viral transmission during the COVID-19 pandemic. Potentially, reduced out-of-home mobility lower activity levels among older may their quality of life (QOL). We studied cross-sectional longitudinal associations changes in life-space mobility, active aging, QOL social distancing compared 2 years before. Methods Altogether 809 community-living participants initially...

10.1093/gerona/glaa274 article EN other-oa The Journals of Gerontology Series A 2020-10-30

Population aging increases the need for knowledge on positive aspects of aging, and contributions older people to their own wellbeing that others. We defined active as an individual's striving elements with activities per goals, abilities opportunities. This study examines associations health, health behaviors, literacy functional abilities, environmental social support wellbeing. will develop validate assessment methods physical activity resilience suitable research people, examine cohort...

10.1186/s12889-018-5487-5 article EN cc-by BMC Public Health 2018-05-02

Abstract Objective: The aim of this study was to examine differences in physical performance (muscle power, muscle strength, aerobic capacity, and walking speed) across menopausal stages potential leisure activity (PA) modify the impact menopause on performance. Methods: In cross-sectional study, women aged 47 55 were randomly selected from Finnish National Registry categorized as premenopausal ( n = 233), perimenopausal 381), or postmenopausal 299) based serum concentrations...

10.1097/gme.0000000000001137 article EN cc-by-nc-nd Menopause The Journal of The North American Menopause Society 2018-05-22

Objective: To develop an assessment method of active aging for research on older people. Method: A multiphase process that included drafting by expert panel, a pilot study item analysis and scale validity, feedback with focus groups questionnaire respondents, test–retest study. Altogether 235 people aged 60 to 94 years provided responses and/or feedback. Results: We developed 17-item University Jyvaskyla Active Aging Scale four aspects in each (goals, ability, opportunity, activity; range...

10.1177/0898264317750449 article EN cc-by-nc Journal of Aging and Health 2018-01-01

Previous studies have shown that participation in leisure time physical activity is related to better mental well-being and subjective health. However, the associations between different types of activities dimensions rarely been studied. In addition, longitudinal research, analyzing possible causal relations these variables, lacking. To investigate research questions, data gathered at ages 42 50 (present N = 303) for Finnish Jyväskylä Longitudinal Study Personality Social Development were...

10.1007/s11482-019-09721-4 article EN cc-by Applied Research in Quality of Life 2019-03-21

The study investigated the development trajectories of managers' work ability over a 10-year period. In addition, baseline factors affecting course were sought from background variables, resources, and attitudes. Differences in retirement age detected trajectory groups also examined.Questionnaire data collected Finnish managers (N=1033) 1996, 1999, 2006. mean participants was 44 (range 20-65) years, 28.5%, 35.5%, 36% upper, middle, lower management, respectively.The analysis identified...

10.5271/sjweh.1301 article EN cc-by Scandinavian Journal of Work Environment & Health 2009-01-01

The authors examined the prediction of occupational attainment by age 40 from contextual and personal variables assessed during childhood adolescence in 2 participant samples: (a) Columbia County Longitudinal Study, a study 856 third graders semirural county New York State that began 1960, (b) Jyväskylä Study Personality Social Development, 369 eight-year-olds Jyväskylä, Finland, 1968. Both samples were followed up early middle adulthood. Structural modeling analyses revealed both countries,...

10.1037/0012-1649.42.5.937 article EN Developmental Psychology 2006-09-01

Abstract A random sample of 196 males, drawn from the Jyväskylä Longitudinal Study Personality and Social Development, was divided into four groups offenders using information government registers convictions between ages 21 47, local police searched at age 21, a Self‐Report Delinquency Scale administered 36, Life History Calendar for 15–42, personal interviews 27, 42. The were: persistent (offences before after 21; 29% men); adolescence‐limited 27%); adult‐onset 16%); nonoffenders (28%)....

10.1002/ab.20297 article EN Aggressive Behavior 2009-01-30

To longitudinally describe prosocial behaviour development from childhood to adolescence, using multiple informants within Canadian and Italian samples.Participants in Study 1 were 1037 boys low socioeconomic status (SES) areas Montreal, Canada, for whom yearly teacher mother reports obtained between the ages of 10 15. Participants 2 472 children (209 girls) Genzano, Italy, self 14. Developmental trajectories estimated ratings by each informant identify subgroups following distinct courses...

10.1111/j.1469-7610.2008.02039.x article EN Journal of Child Psychology and Psychiatry 2009-01-12

Objectives: To examine the association between life-space mobility and different dimensions of depressive symptoms among older community-dwelling people.Methods: Cross-sectional analyses baseline data 'Life-Space Mobility in Old Age' cohort study were carried out. The participants women men aged 75–90 years (N = 848). Data gathered via structured interviews participants' home. Life-space (the University Alabama at Birmingham (UAB) Life-Space Assessment – questionnaire) (Centre for...

10.1080/13607863.2014.977768 article EN Aging & Mental Health 2014-11-07

Objectives We investigated the 28-year development trajectories of work ability among initially middle-aged male and female municipal employees association perceived mental physical strain in midlife by trajectory groups. Methods The baseline data Finnish longitudinal study (FLAME) were collected 1981 (N=6257) with follow-ups 1985, 1992, 1997, 2009. Work was assessed all waves as present relative to lifetime best. Altogether, N=2690 had 2009, at least for one wave between these years,...

10.5271/sjweh.3177 article EN cc-by Scandinavian Journal of Work Environment & Health 2011-06-21

Kinnunen, M.‐L., Metsäpelto, R. L., Feldt, T., Kokko, K., Tolvanen, A., U., Leppänen, E. & Pulkkinen, L. (2012). Personality profiles and health: Longitudinal evidence among Finnish adults. Scandinavian Journal of Psychology 53, 512–522. This study investigates the associations longitudinal Big Five personality with long‐term health in 304 adults (53% males). traits (Neuroticism, Extraversion, Openness, Conscientiousness, Agreeableness) were assessed at ages 33, 42, 50. Subjective...

10.1111/j.1467-9450.2012.00969.x article EN Scandinavian Journal of Psychology 2012-08-22

Longitudinal patterns of identity formation were analyzed in a representative cohort group Finnish men and women born 1959 across ages 27, 36, 42, 50. The data drawn from the Jyväskylä Study Personality. Identity status (diffused, moratorium, foreclosed, achieved) all four was available for 172 participants (54% females). Marcia's Status Interview used this research included five domains: religious beliefs, political identity, occupational career, intimate relationships, lifestyle. findings...

10.1080/15283488.2015.1121820 article EN cc-by-nc-nd Identity 2016-01-02

The multidisciplinary Estrogenic Regulation of Muscle Apoptosis (ERMA) study was designed to reveal how hormonal differences over the menopausal stages affect physiological and psychological functioning middle-aged women. This paper describes protocol nonrespondent analysis ERMA novel findings on in blood count variables their association with female sex hormones.Women aged 47 55 years were assigned pre, early peri, late postmenopausal groups based follicle-stimulating hormone (FSH) bleeding...

10.1097/gme.0000000000001117 article EN cc-by-nc-nd Menopause The Journal of The North American Menopause Society 2018-05-09

Objectives Resilience, the ability to bounce back after adverse events may be an important factor in active aging. The 10-item version of Connor–Davidson Resilience Scale (CD-RISC10) seems suitable for aging research owing its low participant burden; however, psychometric properties have not been comprehensively reported older people. For example, no estimate exists test–retest reliability scale when used with adults. Hence, this study evaluated CD-RISC10 a large population-based sample...

10.1080/13607863.2019.1683812 article EN Aging & Mental Health 2019-11-08

Patterns of identity formation were analyzed in a longitudinal framework, from ages 27 to 36 and then 42 years age. Information all 3 was available for 197 participants (100 women, 97 men). A variation Marcia's (1966) Identity Status Interview included 5 domains: religious beliefs, political identity, occupational career, intimate relationships, lifestyle. Great variability status assessments found across the domains at each age level. The representing work family (occupation, lifestyle)...

10.1207/s1532706xid0501_1 article EN Identity 2005-01-01

The factors which predict a person’s long-term unemployment were studied within the framework of an emotional and behavioural regulation model consisting two orthogonal dimensions: inhibition versus expression, low high self-control emotions (Pulkkinen, 1995, 1996). participants drawn from ongoing Jyväskylä Longitudinal Study Personality Social Development, in same individuals have been followed up age 8 ( n = 369) to 36 311). In present study, data collected at ages 8, 14, 27, used....

10.1080/01650250050118295 article EN International Journal of Behavioral Development 2000-09-01
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