Examining reactivity to the measurement of physical activity and sedentary behavior among women in midlife with elevated risk for cardiovascular disease

König, Laura M.

doi:10.1080/08870446.2022.2055024

Cited by 5 publications

(1 citation statement)

References 50 publications

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“…While MFL participants may have overestimated their PA when providing self-assessments, measurement reactivity amongst the subsample that wore accelerometers may also have been present ( 71 ). It is also possible that some of the observed differences were due to accelerometers not capturing activities that participants may have performed more often as a result of their involvement in the organised programmes (e.g., cycling).…”

Section: Discussionmentioning

confidence: 99%

Move for Life an intervention for inactive adults aged 50 years and older: a cluster randomised feasibility trial

Woods,

O’Regan,

Doyle

et al. 2024

Front. Public Health

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BackgroundMove for Life (MFL) is a theory-informed intervention that was developed to augment established physical activity (PA) programmes and enable inactive adults aged 50 years and older to be more active. This study examined the feasibility of MFL and sought to provide evidence of its potential for improving PA and associated health outcomes.MethodsA 3-arm cluster randomised feasibility trial compared MFL intervention, usual provision (UP) and control (CON) groups at baseline (T0), post-intervention (T1, at 8, 10 or 12- weeks) and 6-month follow up (T2). We used purposive sampling strategies to recruit participants according to characteristics of interest. Feasibility outcomes assessed recruitment, fidelity, adherence, retention and data completion rates based on pre-set criteria. Primary outcomes were accelerometer-based moderate-to-vigorous intensity PA (MVPA) and self-reported compliance with physical activity guidelines (PAGL). Secondary outcomes included light intensity PA (LiPA), standing time, sedentary time, body composition (adiposity), physical function and psychological well-being. We used linear mixed models (continuous outcomes) or generalized estimated equations (categorical outcomes) to estimate group differences over time in the study outcomes.ResultsProgression criteria for feasibility outcomes were met, and 733 individuals were recruited. Considering a 6-month period (T0-T2), while self-reported compliance with PAGL increased in MFL relative to UP and CON and in UP relative to CON, standing time decreased in MFL relative to CON and sedentary time increased in the latter compared to UP. Waist circumference decreased in MFL relative to UP and CON. MFL outperformed UP in the Timed Up and Go Test while MFL and UP increased the distance covered in the Six-Minute Walk Test compared to CON. Psychological well-being increased in MFL relative to CON (all p < 0.05).ConclusionFindings show that MFL is feasible, while data are promising with regards to the potential of improving community PA programmes for adults aged 50 or more years.Clinical trial registrationhttps://www.isrctn.com/Registration#ISRCTN11235176.

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Section: Discussionmentioning

confidence: 99%

Move for Life an intervention for inactive adults aged 50 years and older: a cluster randomised feasibility trial

Woods,

O’Regan,

Doyle

et al. 2024

Front. Public Health

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Digital, Social Micro-Interventions to Promote Physical Activity Among Midlife Adults With Elevated Cardiovascular Risk: An Ambulatory Feasibility Study With Momentary Randomization

Arigo,

Schumacher,

Baga

et al. 2024

Annals of Behavioral Medicine

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Background Although regular physical activity (PA) mitigates the risk for cardiovascular disease (CVD) during midlife, existing PA interventions are minimally effective. Harnessing social influences in daily life shows promise: digital micro-interventions could effectively engage these influences on PA and require testing. Purpose This feasibility study employed ecological momentary assessment with embedded micro-randomization to activate two types of social influences (i.e., comparison, support; NCT04711512). Methods Midlife adults (N = 30, MAge = 51, MBMI = 31.5 kg/m2, 43% racial/ethnic minority) with ≥1 CVD risk conditions completed four mobile surveys per day for 7 days while wearing PA monitors. After 3 days of observation, participants were randomized at each survey to receive 1 of 3 comparison micro-interventions (days 4–5) or 1 of 3 support micro-interventions (days 6–7). Outcomes were indicators of feasibility (e.g., completion rate), acceptability (e.g., narrative feedback), and potential micro-intervention effects (on motivation and steps within-person). Results Feasibility and acceptability targets were met (e.g., 93% completion); ratings of micro-intervention helpfulness varied by intervention type and predicted PA motivation and behavior within-person (srs=0.16, 0.27). Participants liked the approach and were open to ongoing micro-intervention exposure. Within-person, PA motivation and behavior increased from baseline in response to specific micro-interventions (srs=0.23, 0.13), though responses were variable. Conclusions Experimental manipulation of social influences in daily life is feasible and acceptable to midlife adults and shows potential effects on PA motivation and behavior. Findings support larger-scale testing of this approach to inform a digital, socially focused PA intervention for midlife adults.

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Isolating the role of researcher observation on reactivity to the measurement of physical activity

König,

Pasko,

Baga

et al. 2024

Applied Psych Health & Well

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Reactivity to physical activity (PA) measurement may result from the introduction of a measurement device, researcher observation, or both. Accessing data from prior to study enrollment afforded the rare opportunity to compare behavior during versus prior to participation. This study introduced researcher observation among adults who owned their own PA monitoring device, to test whether measurement reactivity can also be observed in experienced PA trackers, by comparing their data from before versus after the introduction of observation. In addition, the salience of researcher observation was manipulated to test for potential effects. Participants were 252 adults in the U.S. They completed two electronic surveys 14 days apart, in which they recorded steps per day as collected by their PA monitors over the previous 14 days. At the end of the first survey, they were randomized to view messages, which differed in emphasis on repeating entry of step data (i.e., “low” vs. “high” salience of researcher observation). Daily step counts did not change between 14‐day reporting periods, though patterns differed by gender and starting level of PA. Patterns did not differ between experimental conditions. Overall, introducing researcher observation without introducing an unfamiliar measurement device results in no meaningful reactivity with respect to PA.

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Examining reactivity to the measurement of physical activity and sedentary behavior among women in midlife with elevated risk for cardiovascular disease

Cited by 5 publications

References 50 publications

Move for Life an intervention for inactive adults aged 50 years and older: a cluster randomised feasibility trial

Move for Life an intervention for inactive adults aged 50 years and older: a cluster randomised feasibility trial

Digital, Social Micro-Interventions to Promote Physical Activity Among Midlife Adults With Elevated Cardiovascular Risk: An Ambulatory Feasibility Study With Momentary Randomization

Isolating the role of researcher observation on reactivity to the measurement of physical activity

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