Behavioral-Social Rhythms and Cardiovascular Disease Risk in Retired Night Shift Workers and Retired Day Workers.

OBJECTIVE: Stability in the timing of key daily routine behaviors such as working/doing housework, sleeping, eating, and engaging in social interactions (i.e., behavioral-social rhythms) contributes to health. This study examined whether behavioral-social rhythms were associated with cardiovascular disease (CVD) risk factors in retired night shift workers and retired day workers and explored whether past night shift work exposure moderated this association. METHODS: A total of 154 retired older adults participated in this study. Multiple logistic regression models were used to examine associations between behavioral-social rhythms and CVD risk factors. Independent variables included Social Rhythm Metric (SRM)-5 score and actigraphy rest-activity rhythm intradaily variability (IV) and interdaily stability (IS). Dependent variables were metabolic syndrome prevalence and its five individual components. RESULTS: More regular behavioral-social rhythms were associated with lower odds of prevalent metabolic syndrome (SRM: odds ratio [OR] = 0.57, 95% confidence interval [CI] = 0.35-0.88; IV: OR = 4.00, 95% CI = 1.86-8.58; IS: OR = 0.42, 95% CI = 0.24-0.73) and two of its individual components: body mass index (SRM: OR = 0.56, 95% CI = 0.37-0.85; IV: OR = 2.84, 95% CI = 1.59-5.07; IS: OR = 0.42, 95% CI = 0.26-0.68) and high-density lipoprotein cholesterol (SRM: OR = 0.49, 95% CI = 0.30-0.80; IV: OR = 2.49, 95% CI = 1.25-4.96; IS: OR = 0.35, 95% CI = 0.19-0.66). Past shift work history did not moderate the association between behavioral-social rhythms and metabolic syndrome. CONCLUSIONS: Behavioral-social rhythms were related to CVD risk factors in retired adults regardless of prior night shift work exposure. Older retired workers may benefit from education and interventions aiming to increase behavioral-social rhythm regularity.

Global stress and daily general and type 1 diabetes stressors and links to daily affect and diabetes outcomes during emerging adulthood.

We examined how global stress and general stressors of daily life relate to emotional well-being and type 1 diabetes (T1D) outcomes and amplify the effects of diabetes stressors in emerging adults. Two-hundred and seven 18-19-year-olds with T1D (duration 8.47 years) completed the Perceived Stress Scale (global stress) and a daily diary assessing daily diabetes and general stressors, positive and negative affect, self-care behaviors, and blood glucose (BG). Multi-level analyses indicated that global stress and within-person daily general and diabetes stressors were associated with more negative and less positive affect. In addition, general stress (between-person) was associated with more negative affect. Global stress amplified the association between daily diabetes stressors and negative affect, with greater affect reactivity to stress for those experiencing higher global stress. Global stress and both within- and between-person diabetes stressors were associated with lower self-care and higher BG. Emerging adults' general stressors in their daily lives relate to poorer well-being beyond the experience of diabetes stressors.

Heart rate and heart rate variability following sleep deprivation in retired night shift workers and retired day workers.

Shift workers experience poor sleep and dysregulated cardiac autonomic function during sleep. However, it is unknown if this dysregulation persists into retirement, potentially accelerating the age-associated risk for adverse cardiovascular outcomes. Using sleep deprivation as a physiological challenge to cardiovascular autonomic function, we compared heart rate (HR) and high-frequency heart rate variability (HF-HRV) during baseline and recovery sleep following sleep deprivation between retired night shift and day workers. Participants were retired night shift (N = 33) and day workers (N = 37) equated on age (mean [standard deviation] = 68.0 [5.6] years), sex (47% female), race/ethnicity (86% White), and body mass index. Participants completed a 60-h lab protocol including one night of baseline polysomnography-monitored sleep, followed by 36 h of sleep deprivation and one night of recovery sleep. Continuously recorded HR was used to calculate HF-HRV. Linear mixed models compared HR and HF-HRV during non-rapid eye movement (NREM) and REM sleep between groups during baseline and recovery nights. Groups did not differ on HR or HF-HRV during NREM or REM sleep (ps > .05) and did not show differential responses to sleep deprivation. In the full sample, HR increased and HF-HRV decreased from baseline to recovery during NREM (ps < .05) and REM (ps < .01). Both groups exhibited cardiovascular autonomic changes during recovery sleep following 36 h of sleep deprivation. Sleep deprivation appears to induce cardiovascular autonomic changes that persist into recovery sleep in older adults, regardless of shift work history.

Cardiometabolic function in retired night shift workers and retired day workers.

Night shift work is associated with poor cardiometabolic outcomes, even post-retirement. However, the characteristics of cardiometabolic function in retired night shift workers (RNSW) compared to retired day workers (RDW) are not well-understood. Rigorous characterization of cardiometabolic dysfunction in RNSW and RDW will inform targeted risk stratification for RNSW. This observational study evaluated whether RNSW (n = 71) had poorer cardiometabolic function than RDW (n = 83). We conducted a multimodal assessment of cardiometabolic function including metabolic syndrome prevalence, brachial artery flow-mediated dilation, and carotid intima-media thickness. Main analyses tested overall group differences. Sex-stratified follow-up analyses tested group differences separately in men and women. RNSW had 2.6-times higher odds of metabolic syndrome prevalence than RDW in unadjusted analyses (95% CI [1.1,6.3]); this association was not significant when adjusting for age, race and education. RNSW and RDW (Mage = 68.4; 55% female) did not differ in percent flow-mediated dilation or carotid intima-media thickness. In sex-stratified analyses, women RNSW had 3.3-times higher odds of having high body mass index than women RDW (95% CI [1.2,10.4]). Men RNSW had 3.9-times higher odds of having high triglycerides than men RDW (95% CI [1.1,14.2]). No other group differences were observed. We found mixed evidence that night shift work exposure was associated with cardiometabolic dysfunction in retirement, possibly in a sex-specific manner.

Depressive symptoms and falls among Chinese older adults: A bidirectional relationship.

BACKGROUND: Falls and depressive symptoms are prevalent and costly. Although they are frequently interrelated, the nature of interrelationships between them was not well understood. Therefore, using longitudinal data, we aimed to explore whether there is a longitudinal bidirectional relationship between falls and depressive symptoms among older Chinese and whether this is different for men and women. METHODS: Older adults aged 60 years+ who completed all 2011, 2013, 2015 waves of data from the China Health and Retirement Longitudinal Study on falls and depressive symptoms were included (N=2,203). Random intercept multilevel models were used to analyze data. RESULTS: Significant bidirectional associations at between-person (b=0.09, SE=0.01, p<0.001) and within-person levels (b=0.05, SE=0.02, p=0.005) were observed between depressive symptoms and falls. When participants reported falls, they reported higher levels of depressive symptoms. However, no gender differs in these relationships. CONCLUSIONS: Regardless of gender, there are significant bidirectional associations between falls and depressive symptoms.

What is the relationship between falls, functional limitations, and depressive symptoms among Chinese older adults? The role of living alone.

OBJECTIVES: Although the association between falls and depressive symptoms is well documented, the mechanisms underlying this association remain largely unexplored. We investigated the mediation role of functional limitations in the association between falls and depressive symptoms among Chinese older adults and determined whether the living arrangement (living alone or not) is a significant moderator of the above-mentioned mediation pathway. STUDY DESIGN: Cross-sectional study. MAIN OUTCOME MEASURES: Depressive symptoms were measured using the 10-item Center for Epidemiologic Studies Depression Scale short form (CESD-10), on which higher scores indicate higher levels of depressive symptoms. RESULTS: We used the harmonized China Health and Retirement Longitudinal Study national baseline data (2011-2012 year) involving 7410 participants aged 60 years and over. After adjusting for covariates (e.g., age and sex), the effects of falls on depressive symptoms were seen to be mediated by functional limitations among Chinese older adults (ß = 0.82, p < .001). The moderated mediation analysis, which assesses whether an indirect effect is conditional on values of a moderating variable, found that the mediation effect was contingent upon the living arrangement (ß = -0.60, p = .029). Specifically, the levels of functional limitations and depressive symptoms were higher for people with falls who were living with others relative to those living alone. CONCLUSIONS: These results suggest that functional limitations are an important intervening variable that links falls to depressive symptoms among Chinese older adults. Interventions to promote older adults' physical function and prevent falls are recommended to decrease the risk of depressive symptoms. These interventions can particularly benefit those who live with others.

Relationship satisfaction moderates links between poor sleep quality and psychological distress among couples coping with type 1 diabetes.

OBJECTIVES: We examined links between sleep quality and psychological distress among couples dealing with type 1 diabetes (T1D) across cross-sectional and daily diary methods and investigated whether relationship satisfaction moderated these associations. METHODS: 199 persons with T1D and their spouses completed survey questionnaires reporting their own sleep quality, depressive symptoms, and relationship satisfaction. They also completed 14-day diaries reporting their own sleep quality and negative affect. Multi-level actor-partner interdependence models examined associations between sleep quality and psychological distress. RESULTS: Cross-sectional and daily diary data revealed an association between poorer sleep quality and higher psychological distress for both persons with T1D and their spouses (ie, actor effects). Some partner effects were found. For example, poorer sleep quality of persons with T1D was associated with greater negative affect for spouses (within persons). Relationship satisfaction moderated the effects of sleep quality on psychological distress. For example, participants' poorer overall daily sleep quality was associated with greater negative affect for those with lower relationship satisfaction but not for those with higher relationship satisfaction (ie, actor effects). In contrast, partners' poorer overall daily sleep quality was associated with participants' greater negative affect for those with higher relationship satisfaction but not for those with lower relationship satisfaction (ie, partner-effects). CONCLUSION: Links between sleep quality and psychological distress occur both within and between persons. Relationship satisfaction moderates the effect of poorer sleep quality on psychological distress in a nuanced way.

Homeostatic response to sleep deprivation and circadian rhythmicity are intact in older adults with insomnia.

STUDY OBJECTIVES: We examined whether homeostatic sleep drive and circadian rhythmicity differ in older adults with insomnia (OAI) compared to older good sleepers (GS). METHODS: OAI (n = 37) and GS (n = 30) participated in a 60-h in-lab study with sleep deprivation and constant routine paradigms. Homeostatic sleep drive was assessed by examining the effect of sleep deprivation on delta EEG power and theta EEG power, and repeated sleep latency tests. Circadian rhythm was assessed with salivary melatonin (phase and amplitude), core body temperature (phase, amplitude, and mesor), and sleep latency during a constant routine paradigm. Mixed models were used to assess interactions of group (OAS vs GS) with homeostatic sleep and circadian effects. RESULTS: Compared to GS, OAI showed a greater linear increase in waking theta power during sleep deprivation, but the two groups did not show differential responses to sleep deprivation in delta EEG, or in repeated sleep latency tests. The two groups did not differ in circadian phase or amplitude of melatonin or core body temperature rhythms. OAI had a significantly elevated core body temperature mesor compared to GS. CONCLUSIONS: Homeostatic response to sleep deprivation was intact in OAI compared to GS; theta EEG power suggested a greater homeostatic response in OAI. Circadian rhythm amplitude and phase were similar in OAI compared to GS. Elevated body temperature mesor in OAI may indicate elevated physiological arousal. These findings suggest that effective treatments for insomnia in older adults may leverage intact sleep and circadian regulatory mechanisms, rather than repair defective sleep and circadian regulation.

Care Partner Support Following a Diabetes Self-Management Education and Support Intervention.

PURPOSE: The purpose of the study was to understand care partner (CP) perceptions of an interdisciplinary diabetes self-management education and support (DSMES) intervention and explore how the interdisciplinary DSMES intervention influences diabetes-specific day-to-day interactions from the CP's perspective. METHODS: A multiple-methods research design comprised of an online survey including demographics and supportive behaviors and a semistructured interview was conducted. The survey was completed by 16 CPs. Of the 16 CPs, 11 participated in semistructured interviews. Survey data were analyzed using descriptive statistics. Thematic analysis of semistructured interviews was conducted. RESULTS: CPs provided support in 3 primary areas: (1) meal planning and preparation (87.5%), (2) participating in physical activity (56.3%), and (3) assisting with technology (43.8%). The main themes described by CPs include (1) the importance of diabetes education for caregivers, including the information they retained from the program, the acquisition of tools to support the person with diabetes, and the desire for more and ongoing education; (2) diabetes education enhances the CP's ability to provide social support and the challenges associated with support; and (3) partners described collaborative diabetes management such as finding middle ground and making changes together. CONCLUSION: CPs play a significant role in patient diabetes self-management by providing social support and partnership. DSMES programs should seek to include CPs to enhance patient support.

Indirect Effects of Forgiveness on Psychological Health Through Anger and Hope: A Parallel Mediation Analysis.

Forgiveness often discussed as a religious idea is also a popular topic in psychology. Empirical studies have shown that forgiveness decreases anger, anxiety, and depression and increases self-esteem and hopefulness for the future. However, research on the relationship between various outcomes of forgiveness is scarce. Thus, we aimed at examining the mediating roles of anger and hope in the relationship between forgiveness and psychological health outcomes. A sample of college students from a large non-profit university (N = 202) filled out self-report measures on forgiveness, anger, anxiety, depression, hope, and self-esteem. A parallel mediation analysis examining the role of anger and hope in the forgiveness-psychological health link was conducted. Results supported the indirect effect of forgiveness on psychological health through anger and hope, and the two mediators had a comparable size of magnitude. Implications, limitations, and future directions are discussed.

Empty Nest Status, Marital Closeness, and Perceived Health: Testing Couples' Direct and Moderated Associations with an Actor-Partner Interdependence Model.

Building on previous examinations of marital outcomes in the empty nest phase that have been based on surveys of individuals (primarily wives), the current study examined the direct effect of no longer living with children in the home (versus continuing to live with children) on husbands and wives' ratings of marital closeness as well as their perceived health. The study also tested whether couples' empty nest status moderated the associations between spouses' marital closeness and health. Analyses were based on 3,765 mixed-sex couples drawn from the Wisconsin Longitudinal Study. Dyadic multilevel modeling and actor-partner interdependence models (APIM) were used to test hypotheses. Results indicated that, accounting for known covariates, being in the empty nest was directly linked with both husbands and wives reporting higher levels of marital closeness and with wives (only) reporting better health. Moderating findings were less consistent, with the single reliable moderation result indicating that wives' perceived health was improved at higher levels of their husbands' marital closeness only among couples who were still living with children in the home. Clinical implications and future research directions are discussed.

Motivations for Forgiving an Offender with Practical Implications for Those in the Helping Professions: A Qualitative Study.

While the forgiveness literature is rapidly growing, little attention has been paid to the general public's motivations for forgiving. Using a qualitative approach, this study examined 100 participants' stated reasons for forgiving. The following seven themes have emerged: (1) forgiveness is the key to inner peace, (2) relationships matter, (3) forgiveness is conditional, (4) they forgive because of love/concern for the other in the human community, (5) forgiveness is a (moral and religious) duty, (6) they forgive for the sake of others, and (7) they forgive for growth. When considering motivations for forgiveness, participants tended to focus on what they could restore or gain as a consequence of forgiving, supporting the findings of past studies. However, some notable differences were also found when questions were asked in different ways. Major findings, implications for those in the helping professions, and limitations and future directions are discussed.

A multimethod approach to measuring communal coping in adults with type 1 diabetes.

OBJECTIVE: Communal coping with a chronic illness has been associated with better health outcomes and includes two components: an individual's appraisal of the illness as shared and collaborative strategies to manage the illness. Although multiple methods have been used to assess these constructs, there is limited understanding of whether these methods tap similar components of communal coping. The study goals were to assess how individuals diagnosed with type 1 diabetes communally cope with their romantic partner using multiple methods to (a) distinguish between the two components of communal coping and (b) examine links of both components to health outcomes and test whether interactions between the two are linked to health outcomes. METHOD: Individuals with type 1 diabetes (n = 199, 52% female, 90% non-Hispanic white) completed self-report, diary, observational, and open-ended interviews to measure communal coping. Psychological well-being, diabetes distress, and diabetes health outcomes were assessed. RESULTS: A confirmatory factor analysis supported our hypothesis that communal coping is reflected by 2 distinct components: shared appraisal and collaborative coping. There were no direct effects of either shared appraisal or collaboration to outcomes, however, the interaction between shared appraisal and collaboration was linked to diabetes distress, self-care, and self-efficacy. Specifically, collaboration was linked to worse outcomes at low shared appraisal but not high shared appraisal. CONCLUSIONS: These findings support the two components of communal coping and suggest that collaboration can be detrimental for health among those who do not view an illness as shared. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

The relationship between sleep and physical activity: the moderating role of daily alcohol consumption.

STUDY OBJECTIVES: Studies have demonstrated a daily, bidirectional relationship between sleep and physical activity. However, little is known about how other health behaviors, such as alcohol consumption affect this relationship. This study examined how daily and average alcohol consumption affects the relationships between sleep and physical activity. METHODS: Participants included 70 men and women, ages 18-50 with sleep duration >6.5 hours. Participants wore an actigraph, physical activity monitor and recorded number of alcoholic drinks by daily food logs for 7 days. Results were analyzed using multi-level models to evaluate the 7-day average (i.e. between-person effects) and daily effects (i.e. within-person effects) simultaneously. RESULTS: Those with more average (7 day) minutes of vigorous physical activity had less wake after sleep onset (WASO). Furthermore, a higher number of alcoholic drinks was associated with longer sleep duration and higher WASO over 7 days. Days with a higher number of alcoholic drinks were associated with higher WASO and sleep fragmentation that night. Alcohol intake moderated the average (7 days) and daily relationships between sleep and physical activity such that high average (7 days) WASO was associated with shorter average total physical activity duration, but only for those with higher alcohol intake. In addition, longer physical activity duration during the day was associated with lower sleep fragmentation that night, but only for those with lower alcohol intake. CONCLUSIONS: These data demonstrate that in a naturalistic setting, alcohol intake negatively impacts sleep and diminishes the benefits of physical activity on sleep.

Daily stress spillover and crossover in couples coping with type 1 diabetes.

In the context of a chronic illness such as Type 1 diabetes (T1D), managing general stressors may be linked to diabetes-specific stressors for persons with T1D, an intraindividual contagion phenomenon (i.e., spillover). Among those with romantic partners, stress may also be associated with the partner's stress (i.e., crossover). These intraindividual and interpersonal processes may be further strengthened or weakened in the presence of individual (e.g., sleep satisfaction) and interpersonal (e.g., relationship satisfaction) factors. This study examined spillover and crossover effects between daily general and diabetes-specific stressors and whether sleep satisfaction and relationship satisfaction moderated spillover and crossover effects among couples in which one person had T1D. Persons with T1D (n = 199; Mage = 46.82, 52.3% female) and their romantic partners (n = 199; Mage = 46.41, 47.2% female) reported general stressors and sleep satisfaction, and persons with T1D reported diabetes-specific stressors on 14 consecutive days. Both couple members completed a survey that assessed relationship satisfaction. Multilevel models revealed significant within-person and between-person stress spillover and crossover effects. When examining the moderating role of sleep satisfaction, however, persons with T1D with better sleep satisfaction did not experience spillover between one domain and the other. Furthermore, partners with higher relationship satisfaction did not experience crossover between the persons with T1D-specific stressors and their general stressors. These findings support the conceptualization of the link between general and diabetes-specific stressors as both an intraindividual and a dyadic process among couples coping with T1D. In addition, better sleep satisfaction can prevent spillover effects, and relationship satisfaction can prevent stress crossover effects. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

Cascading effects of childhood abuse on physical health issues in later adulthood through trait anxiety and poor daily sleep quality.

The purpose of this study was to investigate the mediating roles of trait anxiety and daily sleep quality between childhood abuse and physical health issues later in adulthood by utilizing the Midlife in the United States Study (n = 281; Mage = 56.38 in wave 2 and Mage = 62.57 in wave 3). Individuals who reported a higher level of childhood abuse reported a higher level of trait anxiety and a lower level of daily sleep quality, leading to an increase in physical health issues. The results highlight the cascading effects of childhood abuse on serious health consequences over the life span.

Perspectives of Parents With Type 1 Diabetes: Role of Children in Self-Management and Support.

PURPOSE: The purpose of this study was to examine parents' perceptions of the role children play in their type 1 diabetes (T1DM) care. Family members are a resource to support T1DM self-management, but how children are involved in their parents' diabetes has not been well explored. METHODS: Parents with T1DM (n = 85) and a subset of their romantic partners (n = 55) participated in interviews during which they described their children's knowledge of and involvement in diabetes care. Interviews were transcribed, responses coded/tallied, and themes identified. RESULTS: All parents reported that children knew of their diabetes, which they learned about progressively from a young age. Most parents reported children to be accepting and understanding of the ways that diabetes affected their family experiences (eg, pause to treat low blood glucose). When asked about specific support, parents rated "making parent feel better about diabetes" as the most frequently occurring behavior. Some parents felt that children, particularly younger ones, occasionally detracted from T1DM management, but this was usually expected and considered transient. Regardless of child age, many parents did not want diabetes to burden children and limited their involvement. Both parents with T1DM and partners requested resources to enhance child awareness and preparedness to support diabetes. Respondents, particularly partners, were also interested in learning how to communicate better as a family and share perspectives on how diabetes affects individual family members. CONCLUSIONS: Diabetes care and education specialists should consider developmentally and relationally appropriate ways to engage children of parents with T1DM in education and self-management.

A cross-lagged model of depressive symptoms and mobility disability among middle-aged and older Chinese adults with arthritis.

AIM: To examine the reciprocal and longitudinal associations between depressive symptoms and mobility disability in middle-aged and older Chinese adults with arthritis. METHODS: We used three waves of the China Health and Retirement Longitudinal Study. The analytic sample included 4682 community-dwelling adults aged ≥45 years with arthritis who completed the self-report measurement of depressive symptoms and mobility disability every 2 years over a 4-year study period. Analysis involved an autoregressive cross-lagged model. RESULTS: The prevalence rates of comorbid depressive symptoms and mobility disability were 38.9%, 33.2% and 38.9%, respectively across three waves. There was a significant bidirectional and longitudinal relationship between depressive symptoms and mobility disability among middle-aged and older Chinese adults with arthritis. A higher level of depressive symptoms in previous waves was associated with a subsequent increase in mobility disability over time. A similar pattern was also shown in the opposite direction from mobility disability to depressive symptoms over time. CONCLUSIONS: This study demonstrates that depressive symptoms and mobility disability are reciprocally related in Chinese adults with arthritis over time. In addition, it highlights the importance of early interventions aimed at reversing the downward spiral of depressive symptoms and mobility disability to improve the health of Chinese adults with arthritis. Geriatr Gerontol Int 2020; 20: 873-877.

Age differences in reactivity to daily general and Type 1 diabetes stressors.

Older adults often report less exposure to and less affective reactions to daily stressors. However, older adults with a chronic illness such as Type 1 diabetes may experience more daily stressors due to the complications of diabetes and may be more affected by those stressors. The study examined (a) age differences in reported exposure to general and diabetes stressors, (b) whether daily general and diabetes stressors relate to daily positive and negative affect, self-care, and blood glucose, and (c) whether these daily associations are moderated by age and comorbidity. Individuals with Type 1 diabetes (n = 199; 52.3% female, average age 46.81 years) completed a checklist for 14 days reporting general and diabetes stressors. General diabetes distress was assessed with the Diabetes Distress Scale. Daily positive and negative affect and daily self-care behaviors were rated each day. Blood glucose was assessed via glucometers. Older adults reported fewer daily general and diabetes stressors and less diabetes distress compared to younger adults. Multilevel models indicated that both daily general and diabetes stressors (between- and within-person) were associated with lower positive and higher negative affect. Fewer diabetes stressors were associated with better self-care and lower (better) mean blood glucose. Neither age nor comorbidity interacted with general or diabetes stressors to predict any outcome (except one effect for comorbidity), indicating that older adults and those experiencing more comorbid conditions were similarly affected by stressors. Results suggest that older adults experience fewer stressors than younger adults but are similarly affected when stressors do occur. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

The benefits of daily exercise on blood glucose levels and affect among adults with type 1 diabetes.

The purpose of this study was to investigate the concurrent and lagged effects of daily exercise on daily blood glucose level and affect among persons with type 1 diabetes (T1D). 199 persons with T1D (Mage = 46.82) completed a 14-day diary in which they reported on their engagement in moderate to vigorous exercise for 30 min and positive and negative affect. Daily blood glucose (BG) was gathered through study-provided glucometers. Multilevel modeling examined the effects of daily variability in (within-person effects) and average levels of (between-person effects) daily exercise on BG and affect. On days when persons with T1D reported they exercised moderately to vigorously for 30 min, they had lower mean BG, higher risk for low BG, lower negative affect, and higher positive affect on the same day as well as lower mean BG on the following day. Engaging in daily exercise is important in managing daily blood glucose and affect among persons with T1D, but can be complicated by hypoglycemia.