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  1. Association between adolescent alcohol use and cognitive function in young adulthood: A co‐twin comparison study

    Article • Addiction, August 2024, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  2. Associations of Romantic Partners’ Characteristics with Alcohol Consumption and Binge Drinking: Examining Evidence for Gene-Environment Interaction

    Article • May 2024, Center for Open Science

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  3. Traumatic life events as predictors for depression in middle-aged men and women: A Finnish twin study

    Article • April 2024, Cold Spring Harbor Laboratory Press

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  4. Alcohol use in early midlife: Findings from the age 37 follow-up assessment of the FinnTwin12 cohort

    Article • March 2024, Center for Open Science

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  5. The concurrent development of psychological distress, heavy episodic drinking, and daily smoking from adolescence to midlife in two cohorts

    Article • March 2024, Cold Spring Harbor Laboratory Press

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  6. Etiology and Correlates of Alcohol Use and Misuse in Early Midlife

    Article • February 2024, Center for Open Science

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  7. Association between adolescent alcohol use and neurocognitive function in young adulthood

    Article • February 2024, Center for Open Science

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  8. Life-Course Associations Between Smoking and Depressive Symptoms. A 30-Year Finnish Follow-up Study

    Article • Nicotine & Tobacco Research, January 2024, Oxford University Press (OUP)

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  9. Smoking cessation is not associated with a decline in reported sleep bruxism in middle‐aged Finnish twins: Data revisited

    Article • Journal of Oral Rehabilitation, June 2023, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  10. Measurement invariance of the Center for Epidemiological Studies-Depression scale and associations with genetic risk in older adults

    Article • May 2023, Center for Open Science

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  11. A Nationally Representative Study of the Hardening Hypothesis Among Educational Groups Over Four Decades

    Article • Nicotine & Tobacco Research, April 2023, Oxford University Press (OUP)

    Otto Ruokolainen, Senior Researcher, PDh, MHS, PT Maarit Piirtola

  12. Self‐reported sleep bruxism and mortality in 1990–2020 in a nationwide twin cohort

    Article • Journal of Oral Rehabilitation, March 2023, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  13. Self‐reported sleep bruxism in 1990 and 2011 in a nationwide twin cohort: Evidence of trait persistence and genetic liability

    Article • Journal of Oral Rehabilitation, September 2022, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  14. Exploring the relationships between adolescent alcohol misuse and later life health outcomes

    Article • Alcoholism Clinical and Experimental Research, September 2022, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  15. Changing genetic architecture of body mass index from infancy to early adulthood: an individual based pooled analysis of 25 twin cohorts

    Article • International Journal of Obesity, August 2022, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  16. Smoking remains associated with education after controlling for social background and genetic factors in a study of 18 twin cohorts

    Article • Scientific Reports, July 2022, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  17. Life course associations between smoking and depressive symptoms. A 30-year Finnish follow-up study

    Article • Nordic Journal of Psychiatry, December 2021, Taylor & Francis

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  18. Factors contributing to psychological distress in the working population, with a special reference to gender difference

    Article • BMC Public Health, March 2021, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  19. The associations of smoking dependence motives with depression among daily smokers

    Article • Addiction, February 2021, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  20. Correlates and genetics of self‐reported sleep and awake bruxism in a nationwide twin cohort

    Article • Journal of Oral Rehabilitation, July 2020, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  21. Accuracy of self-reported anthropometric measures — Findings from the Finnish Twin Study

    Article • Obesity Research & Clinical Practice, November 2019, Elsevier

    Dr Pyry N Sipilä, Senior Researcher, PDh, MHS, PT Maarit Piirtola

  22. Associations of sitting time with leisure‐time physical inactivity, education, and body mass index change

    Article • Scandinavian Journal of Medicine and Science in Sports, October 2019, Wiley

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  23. The Older Finnish Twin Cohort — 45 Years of Follow-up

    Article • Twin Research and Human Genetics, August 2019, Cambridge University Press

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  24. The CODATwins Project: The Current Status and Recent Findings of COllaborative Project of Development of Anthropometrical Measures in Twins

    Article • Twin Research and Human Genetics, July 2019, Cambridge University Press

    Professor Sisira Siribaddana, Senior Researcher, PDh, MHS, PT Maarit Piirtola, Professor Ariel Knafo-Noam

  25. Parental Education and Genetics of BMI from Infancy to Old Age: A Pooled Analysis of 29 Twin Cohorts

    Article • Obesity, April 2019, Wiley

    Sari Aaltonen, Senior Researcher, PDh, MHS, PT Maarit Piirtola, Professor Ariel Knafo-Noam

  26. Association of current and former smoking with body mass index: A study of smoking discordant twin pairs from 21 twin cohorts

    Article • PLoS ONE, July 2018, PLOS

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  27. Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts

    Article • American Journal of Clinical Nutrition, July 2017, Oxford University Press (OUP)

    Dr. Brooke M Huibregtse, Professor Sisira Siribaddana, Sari Aaltonen, Senior Researcher, PDh, MHS, PT Maarit Piirtola

  28. Association between long-term smoking and leisure-time physical inactivity: a cohort study among Finnish twins with a 35-year follow-up

    Article • International Journal of Public Health, May 2017, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  29. Association between education and future leisure-time physical inactivity: a study of Finnish twins over a 35-year follow-up

    Article • BMC Public Health, August 2016, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  30. Leisure-time physical inactivity and association with body mass index: a Finnish Twin Study with a 35-year follow-up

    Article • International Journal of Epidemiology, March 2016, Oxford University Press (OUP)

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  31. Effectiveness of the Chaos Falls Clinic in preventing falls and injuries of home-dwelling older adults: A randomised controlled trial

    Article • Injury, January 2014, Elsevier

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  32. A Study of Sedentary Behaviour in the Older Finnish Twin Cohort: A Cross Sectional Analysis

    Article • BioMed Research International, January 2014, Hindawi Publishing Corporation

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  33. Opioids, antiepileptic and anticholinergic drugs and the risk of fractures in patients 65 years of age and older: a prospective population-based study

    Article • Age and Ageing, November 2012, Oxford University Press (OUP)

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  34. Fractures as an Independent Predictor of Functional Decline in Older People: A Population-Based Study with an 8-Year Follow-Up

    Article • Gerontology, January 2012, Karger Publishers

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  35. Psychotropic drugs and the risk of fractures in old age: a prospective population-based study

    Article • BMC Public Health, July 2010, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  36. Physical therapy approaches to reduce fall and fracture risk among older adults

    Article • Nature Reviews Endocrinology, June 2010, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  37. Effects of risk-based multifactorial fall prevention on postural balance in the community-dwelling aged: A randomized controlled trial

    Article • Archives of Gerontology and Geriatrics, January 2009, Elsevier

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  38. Fractures as predictors of excess mortality in the aged—A population-based study with a 12-year follow-up

    Article • European Journal of Epidemiology, October 2008, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  39. Effects of risk-based multifactorial fall prevention program on maximal isometric muscle strength in community-dwelling aged: a randomized controlled trial

    Article • Aging Clinical and Experimental Research, October 2008, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  40. Predictors of fractures among the aged: a population-based study with 12-year follow-up in a Finnish municipality

    Article • Aging Clinical and Experimental Research, June 2008, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  41. Incidence of fractures and changes over time among the aged in a Finnish municipality: a population-based 12-year follow-up

    Article • Aging Clinical and Experimental Research, August 2007, Springer Science + Business Media

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  42. A multifactorial fall prevention programme in home-dwelling elderly people: A randomized-controlled trial

    Article • Public Health, April 2007, Elsevier

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  43. A multifactorial fall prevention programme in the community-dwelling aged: predictors of adherence

    Article • European Journal of Public Health, January 2007, Oxford University Press (OUP)

    Senior Researcher, PDh, MHS, PT Maarit Piirtola

  44. Force Platform Measurements as Predictors of Falls among Older People – A Review

    Article • Gerontology, January 2006, Karger Publishers

    Senior Researcher, PDh, MHS, PT Maarit Piirtola