Pai health

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Posted by gerryshown00 from the Computers category at 10 Feb 2023 02:31:44 pm.
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PAI is short for Personal Activity Intelligence. You earn PAI points every time your heart rate increases: The higher heart rate, the faster you earn PAI. Our research shows that those who achieve 100 PAI or more every week over time live on average eight years longer than others.

Pai health

PAI is based on the only thing that reflects the intensity of your activity: your heart rate. Everything you need to do in order to use PAI is to measure your heart rate continuously. Today, PAI can be measured with several of the most common fitness trackers and smart watches, and you will either see your PAI score on you wrist or in an app on your mobile phone. If the score is 100 or higher, you're active enough. If not, you could reduce your health risk by becoming more physically active.In 2016, PAI was integrated in the Mio Slice activity tracker. Mio Slice is out of production and the Mio apps are no longer updated. However, you could still use your Mio Slice and Mio Fuse to track PAI by downloading the AccuroFit app from App Store or Google Play.

In 2019, the large smart watch company Huami lauched their first new watches with PAI integrated. Since then, several more devices with PAI have become available, including the Amazfit and Zepp series from Huami.

If you live in the US (or Norway) and have a Fitbit, an Apple Watch or a Garmin,Polar or Zepp/Amazfit heart rate monitor, you could measure PAI with the app Memento U, which is available in App Store and Google Play. Currently, the Memento U app is not available in other countries.

Before July 2022, you could measure PAI with the PAI Health app. Unfortunately, this app is no longer updated and has been removed from the app stores.

The fitness tracker LYNK2 from AccuroFit tracks PAI and can be used with the AccuroFit app.

Why PAI and why 100?
More than five million deaths worldwide could have been prevented if people were more physically active. We believe that PAI could contribute to prevent cardiovascular disease and premature death by encouraging everyday people to be more active.

Our research shows that men and women in all age groups have far lower risk of early death and death from cardiovascular diseases if they exercise enough to obtain 100 weekly PAI. 100 PAI is optimal for smokers, obese persons, and individuals with hypertension or type 2 diabetes. Even those who achieve 50 PAI every week have considerable health benefits compared to those who are inactive.

We developed the PAI algorithm by using information from almost 5000 healthy Norwegians who had their maximum oxygen uptake tested during the HUNT3 Fitness Study. After that, we estimated PAI points for almost 40,000 healthy participants from the first HUNT study back in the 1980s. All of them had reported how much and how intense they exercised. Finally, we checked the health status of these 40,000 Norwegians almost 30 years later. The results showed that earning 100 PAI (or more) over a 7-day period is optimally assosiated with reduced risk of disease.

We have also validated PAI in populations from other countries. In a study of more than 56,000 US men and women followed for up to 30 years, 100 PAI was associated with 21% reduced risk of early death and 30% reduced risk of cardiovascular death, compared to being inactive.

And among 443,000 relatively healthy Chinese followed for up to nine years, the risk of dying from cardiovascular disease was 13–16% lower if 100 PAIs or more were achieved. The risk of dying from any cause was also reduced, and the health benefits of 100 PAI applied to men and women of all ages, smokers, people with high blood pressure, overweight and people with diabetes.

In the same population from China, we found a reduced risk of having a heart attack for those who exercised enough to achieve 100 PAI or more. This relationship was only statistically certain for people over 60 years of age, where 100 PAI was linked to a 16% reduced risk. The risk of dying from coronary heart disease, which includes myocardial infarction and angina pectoris, was reduced for anyone who achieved a PAI of 100 or more, regardless of age.Improving PAI-score, lowering risk

Even if you exercise too little to achieve 100 PAI, it's not too late to start now. We looked at how increasing the PAI score over time was linked to mortality, and found that those who increased from less than 100 PAI a week in the first survey up to at least 100 PAI a week in the next survey eleven years later had lower risk of dying early than those who stayed below 100 PAI over time. The lowest risk was found in those who were physically active enough to reach 100 PAI or more at both the HUNT1 and HUNT2 surveys.

These results were also confirmed in a healthy American population. Women and men maintaining 100 PAI over time lived on average five years longer than those who remained inactive, and they had half the risk of dying from cardiovascular diseases. Furthermore, health benefits were also seen in those who increased from below to above 100 PAI between the two measurements.

PAI against dementia

People who maintain an activity level of 100 PAI over time have a significantly lower risk of developing dementia over the next 25 years, compared to those who are less physically active. Those who have previously been less physically active, but have increased the amount of exercise to at least 100 PAI - also have a reduced risk. The risk of dying from or with dementia is also reduced for those who exercise enough to achieve 100 PAI.

This study includes almost 30,000 women and men who were healthy when they participated in the Nord-Trøndelag Health Study in both the mid-1980s and 1990s. They were followed up until 2021. On average, participants who achieved at least 100 PAI lived almost three years longer without dementia than those who were less active.

Improved fitness and less weight gain with 100 PAI

Men and women with 100 weekly PAI or more also have significantly higher cardiorespiratory fitness than those with less than 100 weekly PAI. Obtaining 100–150 PAI over a 7-day period seems to secure having the average cardiorespiratory fitness expected for your age and sex.

High cardiorespiratory fitness is closely linked to good health and increased length of life. Importantly, the magnitude of the difference in cardiorespiratory fitness between those with higher and lower PAI scores than 100 is clinically relevant, and could possibly explain the link between maintaining at least 100 PAI and current and future health risk.

Moreover, healthy women and men who are physically active enough to achieve at least 100 PAIs every week for decades gain less weight than people who are inactive. HUNT participants who achieved at least 100 PAIs in the 1980s, 1990s and 2000s had healthier weight development than those who were inactive. The same applied to people who were inactive in the 1980s, but had increased their activity level to at least 100 PAIs in the last two health surveys.
Better than today's recommendations

PAI considers your age, your gender, your resting heart rate and your maximum heart rate. In other words, PAI is not based on the number of steps you walk or how many minutes of physical activity you perform each day. Those measurements do not consider the intensity of the activity. Therefore, we think that PAI is a more accurate and attractive activity standard to tell you if you actually exercise enough.

Today's recommendations state that adults should be physically active with moderate intensity for at least 150 minutes every week, or with high intensity for at least 75 minutes. Our research, however, clearly shows that even those who don't meet these activity standards have reduced risk of early death if they maintain 100 weekly PAI or more. Moreover, those who attend to the activity recommendations do not have reduced risk if they achieve less than 100 PAI every week.

100 PAI also for heart and stroke patients
Also people with cardiovascular disease should aim for 100 PAI to live longer. We estimated PAI in more than 3000 HUNT1 participants with previous myocardial infarction, angina or stroke, and followed them for up to 30 years. Those who achieved 100 PAI or more over a 7-day period had 36% lower risk of dying from cardiovascular causes compared to inactive patients. They also lived for an average of five years longer than those who earned less than 100 PAI. To achieve 100 PAI was a better predictor of future health benefits than achieving today's exercise recommendations.

In another study, we showed that persons who exercise enough to get 100 PAI over a 7-day period can sit a lot without having increased cardiovascular risk. The odds of having several cardiovascular risk factors was not increased compared to those who both had 100 PAI and low levels of sedentary behaviour.PAI is well liked and efficatious in type 2 diabetes

A study from the USA indicates that using PAI is feasible, motivating and increases the level of physical activity in people who have an increased risk of cardiovascular disease. In the study, 25 patients were given a FitBit heart rate monitor and access to the PAI Health app, and they were encouraged to varied exercise that increased their heart rate and elevated the PAI score above 100 for the next 12 weeks.

22 of the patients completed the study. They maintained an average PAI score of 116 throughout the period, and reported both being more physically active and less sedentary than before joining the study. Over 80% were satisfied with PAI.

A goal of 100 weekly PAI helps persons with diabetes improve their exercise capacity and sleep, and to reduce their amount of body fat. Moreover, 80% of the patients were eager to continue using PAI after the research project.

Half of the 30 patients in the Australian pilot study were randomly selected to use a heart rate monitor and the PAI Health app to track their PAI score for 12 weeks. They also attended a total of four sessions to learn how to use the system and get examples on how to exercise. The PAI intervention also improved several aspects of health related quality of life, when compared to the group who received physical activity advice and sessions without any information about PAI.

PAI also motivates heart patients to become more physically active, according to a study from the same Australian research group. The 20 participants used PAI in cardiac rehabilitation after treatment for angina or heart attack, but only got to see their own PAI score in the last three weeks of the six-week rehabilitation program. During these three weeks, they were significantly more physically active than the first three weeks, and a higher proportion of patients managed to achieve at least 50 PAI each week. All participants recommended PAI, and a large majority wanted to continue measuring their PAI score after the study was over.
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