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Raija Korpelainen

Raija Korpelainen
1) University of Oulu and 2) Oulu Deaconess Institute Foundation sr. · 1) Center for Life Course Health Research 2) Department of Sports and Exercise Medicine

PhD, Professor of Health Exercise

About

245
Publications
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9,308
Citations

Publications

Publications (245)
Article
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Passive non-invasive sensing signals from wearable devices and smartphones are typically collected continuously without user input. This passive and continuous data collection makes these signals suitable for moment-by-moment monitoring of health-related outcomes, disease diagnosis, and prediction modeling. A growing number of studies have utilized...
Article
Terveyttä edistävät elintavat ovat tutkitusti yhteydessä vähäisempään terveyspalvelujen käyttöön ja pienempiin terveydenhuollon kustannuksiin, kun taas epäterveelliset elintavat on yhdistetty runsaampiin terveydenhuoltokäynteihin ja korkeampaan riskiin joutua sairaalahoitoon. Toisaalta terveyttä edistäviä ja sairauksia ehkäiseviä elintapoja noudatt...
Article
STUDY QUESTION Are 24-h movement composition and time reallocations between the movement behaviours (moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), sedentary behaviour (SB), and sleep) differentially associated with cardiometabolic markers in women with polycystic ovary syndrome (PCOS) relative to women without PCOS?...
Article
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Job strain is a major concern in the workplace. Work-related stress is an increasing challenge worldwide as it is the leading cause of long-term sickness absences, disability pensions and lower productivity. Rarely studied simultaneously, both leisure-time physical activity (LTPA) and physical fitness (PF), which comprises cardiorespiratory fitness...
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Movement behaviors within the 24‐h day, including physical activity (PA), sedentary time, and sleep, are associated with cardiometabolic health. We aimed to determine the association between 24‐h movement composition and cardiometabolic health while accounting for sleep efficiency. Altogether, 1134 participants from the Northern Finland Birth Cohor...
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Recent studies have suggested that adverse outcomes of postterm birth (≥42 completed weeks of gestation), including increased cardiometabolic risk factors, impaired glucose metabolism, and obesity, may extend into adulthood. We studied interconnected determinants of cardiovascular health, including physical activity (based on accelerometry for two...
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Objectives This study focused on how adolescents’ perceptions of coaches’ health promotion activity predict maintained participation and dropout in organized sports in emerging adulthood. In addition, differences in lifestyle habits between maintainers, dropouts, and nonparticipants in organized sports were explored. Materials and Methods Overall,...
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Insufficient sleep has been linked to the accumulation of cardiometabolic risks while physical activity acts as a protective factor. Also, sleep regularity may play a critical role in maintaining optimal cardiometabolic health. This cross-sectional study examined the association between device-based sleep regularity, waking activity behaviors, and...
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Background The World Health Organization (WHO) has identified the prevention of obesity in young children as one of its key priorities for the 21st century, and 24-hour movement behaviours (physical activity, sedentary behaviour and sleep) play a key role in this priority. The SUNRISE Finland Study is part of the international SUNRISE Study, which...
Article
Onko oppimisen, kielellisten tai sosiaaliskommunikatiivisten taitojen vaikeuksilla yhteyttä palveluskelpoisuusluokkaan kutsunnoissa? Sosiaalinen kanssakäyminen vaatii riittäviä puheen tuottamisen ja ymmärtämisen taitoja, mutta myös pragmaattisia taitoja kielen käytössä eri sosiaalisissa konteksteissa. Tutkimuksen tavoitteena oli selvittää, onko opp...
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Background Due to rapid urbanization, there is a need to better understand the relative roles of residential environment and physical activity in depression. We aimed to investigate whether neighbourhood characteristics are related to the presence of depressive symptoms and whether the association is modified by physical activity. Methods This cro...
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Background The decline in physical activity (PA) during adolescence is well-established. However, while some subgroups of adolescents follow the general pattern of decreased activity, others increase or maintain high or low activity. The correlates and determinants of different PA patterns may vary, offering valuable information for targeted health...
Article
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This study explored sports‐related factors predicting organized sports participation in emerging adulthood. In the Finnish Health Promoting Sports Club (FHPSC) study, 354 sports club participants aged 15 at baseline reported their main sport, onset age, training volume, current competitive level, and future competitive orientation and participated...
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Introduction Research has suggested that increased difficulties in social-communicative skills are associated with release from military service. A few studies have focused on the association between physical activity and military fitness; however, studies of the association between social-communicative skills and physical activity remain scarce. T...
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Purpose This population‐based study examines the associations between physical activity (PA), residential environmental greenness, and cardiac health measured by resting short‐term heart rate variability (HRV). Methods Residential greenness of a birth cohort sample (n = 5433) at 46 years was measured with normalized difference vegetation index (ND...
Preprint
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Objectives To study the association of physical activity (PA) with individual-level outpatient primary healthcare (PHC) costs in midlife according to body mass index (BMI) categories. Methods The study population comprised 4 076 participants from the Northern Finland Birth Cohort 1966. The probability of having PHC costs and the previous year PHC c...
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Shared genetic factors may contribute to the associations between higher levels of physical activity (PA) and lower risk for cardiometabolic diseases (CMDs), and may partially explain these associations observed in cohort studies. To explore this, we used novel methodology to calculate PA genotypes (polygenic risk score, PRS) and validated them aga...
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Background: Although sports clubs' potential for health promotion is acknowledged, research on whether they promote healthy eating is limited. We aimed to evaluate Finnish youth sports clubs' health promotion orientation, as well as associations between sports clubs' health promotion orientation, coaches' nutritional discussions and sports club pa...
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This study investigated the association between physical activity (PA) and midlife income. The population‐based data comprised employed members of the Northern Finland Birth Cohort 1966 (N = 2797). Using binned scatterplots and polynomial regressions, we evaluated the association between accelerometer‐measured moderate PA (MPA), vigorous PA (VPA),...
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Purpose To examine the associations between longitudinal physical activity (PA) patterns and the development of cardiometabolic risk factors from adolescence to young adulthood. Methods This cohort study encompassed 250 participants recruited from sports clubs and schools, and examined at mean age 15 and 19. Device‐measured moderate‐to‐vigorous PA...
Article
Aim: To describe the level, types and determinants of leisure time PA and exercise among children with type 1 diabetes and their parents. Methods: 120 children aged 6-18 years with type 1 diabetes and 113 parents (n=113) participated to this questionnaire-based study at Northern Ostrobothnia District Hospital in Oulu, western Finland. All partic...
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Low back pain (LBP) is the leading cause of disability worldwide and often associated with lifestyle factors. However, studies further examining the role of these lifestyle factors in non-specific low back pain in comparison with radicular pain are sparse. The aim of this cross sectional study was to investigate how diverse lifestyle factors are as...
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Objectives Discriminating sleep period from accelerometer data remains a challenge despite many studies have adapted 24-h measurement protocols. We aimed to compare and examine the agreement among device-estimated and self-reported bedtime, wake-up time, and sleep periods in a sample of adults. Materials and methods Participants (108 adults, 61 fe...
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Optimal growth and development in childhood and adolescence is crucial for lifelong health and well-being1–6 . Here we used data from 2,325 population-based studies, with measurements of height and weight from 71 million participants, to report the height and body-mass index (BMI) of children and adolescents aged 5–19 years on the basis of rural an...
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Background Insufficient physical activity is risk factor for morbidity and premature mortality. This population-based birth cohort study investigated the cross-sectional and longitudinal associations between self-reported temperament at age 31 and self-reported leisure-time moderate to vigorous physical activity (MVPA) levels and changes thereof fr...
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Objectives: To investigate the effects of 4 months of customised, home-based exergaming on physical function and pain after total knee replacement (TKR) compared with standard exercise protocol. Methods: In this non-blinded randomised controlled trial, 52 individuals aged 60-75 years undergoing TKR were randomised into an exergaming (interventio...
Article
Objective: Up to 70% of women with polycystic ovary syndrome (PCOS) have pre-obesity or obesity. The aim of this study was to investigate whether women with PCOS have more weight-loss attempts than women without PCOS, regardless of BMI. Moreover, women's weight perceptions in relation to previous weight-loss attempts were evaluated. Methods: A p...
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This study aimed to examine the associations of sedentary time, and substituting sedentary time with physical activity and sleep, with cardiometabolic health markers while accounting for a full 24 hours of movement and non‐movement behaviors, cardiorespiratory fitness (CRF), and other potential confounders. The participants were 4,585 members of th...
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Cardiovascular disease (CVD) causes a high disease burden. Physical activity (PA) reduces CVD morbidity and mortality. We aimed to determine the relationship between the composition of moderate-to-vigorous PA (MVPA), light PA (LPA), sedentary behavior (SB), and sleep during midlife to the incidence of major adverse cardiac events (MACE) and all-cau...
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Our existence on Earth is founded on a vital nature, which supports human physical and mental health. However, nature is often depicted only through biodiversity, whereas geodiversity-the diversity of non-living nature-has so far been neglected. Geodiversity consists of assemblages, structures, and systems of geological, geomorphological, soil, and...
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Background Exergames can provide encouraging exercise options. Currently, there is limited evidence regarding home-based exergaming in the postoperative phase of total knee replacement (TKR). Objective This study aimed to investigate the effects of a 4-month postoperative home-based exergame intervention with an 8-month follow-up on physical funct...
Article
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Background Regardless of competitive athletes’ body image pressures, only few studies have focused on adolescent sport participants’ body image and the findings are inconclusive. Furthermore, the role of competitive goals in sports on adolescents’ body size perception has not been studied. We examined the factors associated with adolescents’ compet...
Article
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This 36‐month study aimed to determine whether exercise intervention added to weight loss treatment in the beginning or at 6 months is effective for weight loss and long‐term weight maintenance. A total of 120 obese adults (body mass index > 30) were randomly assigned to intensified behavioral modification (iBM), iBM+ additional exercise from 0 to...
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Land use and transportation policies have been recognized globally as major sources of physical inactivity, but there has been a gap between research and policy implementation. Our objective for this research was to produce an integrated view of community planning policies and the association between urban form characteristics and transportation mo...
Article
Neighbourhood socioeconomic status and physical access to amenities and greenness are factors that have been associated with mental, physical and perceived health. However, associations between long-time exposure to these circumstances and changes in perceived health in the middle-age population have remained a relatively underexamined area. This s...
Preprint
Full-text available
Background Insufficient physical activity is risk factor for morbidity and premature mortality. This population-based birth cohort study investigated the associations between self-reported temperament at age 31 and self-reported leisure-time moderate to vigorous physical activity (MVPA) levels and changes thereof from the age of 31 to the age of 46...
Article
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Purpose: This study estimated the long-term individual-level productivity costs of physical inactivity. Methods: The data were drawn from the Northern Finland Birth Cohort 1966, to which the productivity cost variables (sick leaves and disability pensions) from Finnish registries were linked. Individuals (N = 6,261) were categorized into physica...
Article
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This study aimed to identify organized sports participation patterns and their prevalence from adolescence to emerging adulthood, and the educational and family-related determinants of the patterns. Adolescents in the Finnish Health Promoting Sports Club (FHPSC) study answered a health behaviour questionnaire and reported on sports club participati...
Article
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Background: Low levels of physical activity (PA) and high sedentary time (ST) are common in older adults and lack of PA is a risk factor for cardiovascular disease (CVD). Knowledge about associations with accelerometer-measured PA, ST and CVD risk in older adults is insufficient. This study examines the associations of accelerometer-measured PA an...
Article
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Background Longitudinal studies demonstrate that physical activity (PA) declines on average from adolescence to early adulthood. However, some subgroups of adolescents increase activity while others decrease or maintain high or low activity. Determinants of change or maintenance of (in)activity may differ between subgroups and are valuable informat...
Article
This paper studies the impact of long-term unemployment on physical activity. We examined the effects 6 and 15 years following a severe business cycle downturn in Finland over the period 1991–1994. The study sample comprised residents of Northern Finland. The unemployed individuals were 23–26 years old during the downturn. Physical activity, measur...
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The purpose of this descriptive cross-sectional study is to describe the amount and intensity of physical activity (PA) measured by accelerometry among adolescents participating in organized sports (SCP) and age-matched non-participating peers (NP). SCPs (332) and NPs (139) wore an accelerometer on the hip for 7 days. PA was reported using the 1 mi...
Article
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Purpose: This study aimed to identify and characterize joint profiles of sedentary time and physical activity among adults and investigate how these profiles are associated with markers of cardiometabolic health. Methods: The participants included 3,702 of the Northern Finland Birth Cohort 1966 at age 46 years, who wore a hip-worn accelerometer...
Preprint
Full-text available
Background: Regardless of competitive athletes’ body image pressures, the role of competitive goals in sports on adolescents’ body perception has not been studied. We examined the factors associated with adolescents’ competitive goals in sports and body size perception, and the associations between adolescents’ competitive goals in sports and body...
Article
Full-text available
Introduction There is limited understanding of how older adults can reach kinematic goals in rehabilitation while performing exergames and conventional exercises, and how similar or different the kinematics during exergaming are when compared with conventional therapeutic exercise with similar movement. The aim of this study was to describe the mov...
Article
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Objective To review the evidence on the economic evaluations of workplace-based interventions that are designed to reduce prolonged periods of occupational sitting. Design An integrative review. Data sources The search was conducted in 11 databases, including PubMed, Scopus, PsychINFO, NHS-EED, Cumulative Index to Nursing and Allied Health Litera...
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Background Articular surface size is traditionally considered to be a relatively stable trait throughout adulthood. Increased joint size reduces bone and cartilage tissue strains. Although physical activity (PA) has a clear association with diaphyseal morphology, the association between PA and articular surface size is yet to be confirmed. This cro...
Preprint
Full-text available
BACKGROUND Exergames can provide encouraging exercise options. Currently, there is limited evidence regarding home-based exergaming in the post-operative phase of total knee replacement (TKR). OBJECTIVE This study aimed to investigate the effects of a 4-month post-operative home-based exergame intervention with an 8-month follow-up on physical fun...
Article
Full-text available
Introduction: Physical inactivity, excessive total time spent in sedentary behavior (SB) and prolonged sedentary bouts have been proposed to be risk factors for chronic disease morbidity and mortality worldwide. However, which patterns and postures of SB have the most negative impacts on health outcomes is still unclear. This population-based stud...
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Objective: To examine the role of physical activity (PA) and sedentary behavior (SED) for work engagement. Methods: We used data from Northern Finland Birth Cohort 1966 Study (n = 3046 to 4356) to analyze self-reported weekly leisure-time physical activity (LTPA), daily leisure-time sitting time (LTST) and work engagement. PA and SED 24-hour wer...
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Background The Beck Depression Inventory (BDI) and BDI-II (revised version) are some of the most widely used and comparable self-report scales for assessing the presence and severity of depressive symptoms in many countries. However, although the relative mean score of each symptom in different countries may vary, the cultural differences of BDI-II...
Article
In Finland, physical fitness of the conscripts has declined since the 1990s. The aim of this study was to investigate the associations between self-reported physical activity, fitness for military service classification and the risk for interrupted military service. This study is part of a comprehensive MOPO-project, the goal of which was to promot...
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Background Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, treatment, and control from 1990 to 2019 for 200 countries and territories. Methods We used data from 1990 to 2019 on people aged 30...
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Aims: To examine the association of physical activity (PA) and sedentary time (ST) with glucose metabolism according to waist circumference (WC) in older people. Methods: A population-based sample of 702 individuals (aged 67-70 years) wore wrist-worn accelerometers for two weeks and underwent an oral glucose tolerance test. The associations betw...
Article
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Background Longitudinal studies demonstrate an average decline in physical activity (PA) from adolescence to young adulthood. However, while some subgroups of adolescents decrease activity, others increase or maintain high or low activity. Activity domains may differ between subgroups (exhibiting different PA patterns), and they offer valuable info...
Article
Full-text available
Introduction: Physical inactivity is a global concern, especially among adolescent men. Little research has been done on the association between parental factors and young adults' physical activity in the context of residential environment. We aimed to reveal what parental factors are associated with physical activity among adolescent men living i...
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Valid and useful dietary assessment methods for adolescents with type 1 diabetes (T1D) are needed. In this study, we compared an image-based method with a written food diary for dietary intake estimation among adolescents with T1D and evaluated the adolescents’ experiences of the methods. Adolescents with T1D aged 13 to 18 years (n = 13) photograph...
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For adolescent athletes, data on nutrition behaviours are limited. The present study aimed to evaluate the dietary habits of adolescent sports club participants (SPs) compared with those of non‐participants (NPs). The cross‐sectional study of 1917 adolescents aged 14–16 was based on data from the Finnish Health Promoting Sports Club (FHPSC) study....
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Breaking up sedentary time with physical activity (PA) could modify the detrimental cardiometabolic health effects of sedentary time. Our aim was to identify profiles according to distinct accumulation patterns of sedentary time and breaks in adults, and to investigate how these profiles are associated with cardiometabolic outcomes. Participants (n...
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This study investigated whether the timing of infant motor development is associated with self‐reported and accelerometer‐measured physical activity (PA) and sedentary time (ST) in midlife. This population‐based study consisted of 4,098 people born in 1966 in Northern Finland (NFBC 1966). Data on nine infant motor developmental milestones included...
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From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in di...
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From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in di...
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Purpose The aim was to analyse the relationship of accelerometry measured physical activity (PA) and sedentary time (SED) profiles to glucose metabolism in 660 people aged 67–69 years. Methods In this cross‐sectional study, four different PA profiles were identified (couch potatoes, light movers, sedentary actives, actives) based on moderate to vi...
Article
We apply neoclassical economic modelling augmented with behavioral aspects to provide a detailed empirical investigation into indicators of socio-economic status (SES) as determinants of leisure-time physical activity. We utilize the data from the Northern Finland Birth Cohort 1966 obtained at the most recent time point during 2012-2014 (response r...
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Background: Recently, the importance of light physical activity (LPA) for health has been emphasized, and residential greenness has been positively linked to the level of LPA and a variety of positive health outcomes. However, people spend less time in green environments because of urbanization and modern sedentary leisure activities. Aims: In t...
Article
Study design: Population-based birth cohort study. Objective: The aim of this study was to evaluate the relationship between vertebral dimensions and lumbar MC. Summary of background data: Low back pain (LBP) has become the leading cause of disability worldwide. Modic changes (MC) of the lumbar spine are one potential LBP-associated etiologica...
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Background Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which measures weight gain beyond what is expected from height gain, for school-aged children and adolescents. Methods For this pooled ana...
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Background: Modic changes (MC) in the lumbar spine are considered one potential etiological factor behind low back pain (LBP). Multiple risk factors for MC have been suggested, including male gender, smoking and factors affecting hyperloading and mechanical stress such as high body mass index (BMI), strenuous physical work and high occupational an...