According to the Physical Activity Guidelines for Americans, adults need at least 150 minutes of moderate-intensity (e.g., walking) or 75 minutes of vigorous-intensity (e.g., jogging, running) physical activity (PA) per week to experience various benefits that result from it.
Some of these benefits include the following (please select the top three benefits that you DESIRE to improve):
healthy body weight
high self-confidence
positive mood and good mental health
strong muscles
strong immune system and good physical health
relaxation feelings
improvement in various cognitive functions (e.g., memory, concentration, etc.)
better performance (e.g., academic, professional, etc.)
better physical appearance and greater attractiveness
Note. Next, one of the following messages will be randomly chosen and displayed to the participants.
GROUP 1:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 5% on average within the next 12 months.
B. If you PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 10% on average within the next 12 months BUT in that case you also INCREASE the risk of experiencing some kind of injury.
Note. At the part of the message where it shows i.e., the message will display the top three benefits that participants will have selected in the previous part as the ones that they want to improve more through PA.
146 GROUP 2:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you DO NOT PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e.,
${q://QID27/ChoiceGroup/SelectedChoices}) up to 5% on average within the next 12 months.
B. If you DO NOT PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e.,
${q://QID27/ChoiceGroup/SelectedChoices}) up to 10% on average within the next 12 months BUT in that case you also DECREASE the risk of experiencing some kind of injury.
GROUP 3:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 10% on average within the next 12 months.
B. If you PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 15% on average within the next 12 months BUT in that case you also INCREASE the risk of experiencing some kind of injury.
147 GROUP 4:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you DO NOT PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 10% on average within the next 12 months.
B. If you DO NOT PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e.,
${q://QID27/ChoiceGroup/SelectedChoices}) up to 15% on average within the next 12 months BUT in that case you also DECREASE the risk of experiencing some kind of injury.
GROUP 5:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 15% on average within the next 12 months.
B. If you PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you HAVE the chance of increasing your desired PA benefits (i.e., ${q://QID27/ChoiceGroup/SelectedChoices}) up to 20% on average within the next 12 months BUT in that case you also INCREASE the risk of experiencing some kind of injury.
148 GROUP 6:
The extent to which an individual might experience any of these benefits depends on various parameters such as prior levels of PA, current body weight, age, etc.
Please read the following information and then click on “Next Page” to answer the questions that follow:
A. If you DO NOT PARTICIPATE in 150 minutes of moderate-intensity (or 75 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e.,
${q://QID27/ChoiceGroup/SelectedChoices}) up to 15% on average within the next 12 months.
B. If you DO NOT PARTICIPATE in 300 minutes of moderate-intensity (or 150 minutes of vigorous-intensity) PA per week on average, you MISS the chance of increasing your desired PA benefits (i.e.,
${q://QID27/ChoiceGroup/SelectedChoices}) up to 20% on average within the next 12 months BUT in that case you also DECREASE the risk of experiencing some kind of injury.
149
APPENDIX C