Table 2 The three data modalities in the LifeSnaps Dataset: Surveys, SEMA3, and Fitbit data, accompanied by data types, a short description, and related statistics.
From: LifeSnaps, a 4-month multi-modal dataset capturing unobtrusive snapshots of our lives in the wild
Modality | Data Type | Description | First Appears | Recurring | #unique users | #responses |
|---|---|---|---|---|---|---|
Surveys | Demographics Questionnaire | Survey w.r.t. gender, age, ethnicity, education, and usage of wearable devices (partly excluded for anonymization purposes) | Week 1 | Entry | 66 | 66 |
Physical Activity Readiness Questionnaire (PAR-Q)26 | Survey to determine the safety or possible risks of exercising based on health history, current symptoms, and risk factors (excluded for anonymization purposes) | Week 1 | Entry | 57 | N/A | |
Survey to determine dimensions of the Transtheoretical model31 that enable us to understand how shifts in exercise behavior occur | Week 2 | Entry-Exit | 55 | 102 | ||
Behavioural Regulations in Exercise Questionnaire (BREQ-2)32 | Survey to measure the stages of the self-determination continuum33 with respect to motivation to exercise | Week 2 | Entry-Exit | 54 | 99 | |
50-item International Personality Item Pool version of the Big Five Markers (IPIP)27 | Survey to assess users on the Big Five model of Openness, Conscientiousness, Extraversion, Agreeableness & Neuroticism55 | Week 2 | Entry | 52 | 52 | |
Positive and Negative Affect Schedule Questionnaire (PANAS)44 | Survey to measure an individual’s positive and negative affect | Week 3 | Weekly | 53 | 302 | |
State-Trait Anxiety Inventory (S-STAI)45 | Survey to assess trait anxiety in individuals | Week 3 | Weekly | 55 | 314 | |
SEMA3 | Context and Mood Survey | EMA survey to collect data on an individual’s context (location) and mood | Week 1 | Thrice Daily | 63 | 11526 |
Step Goal Survey | EMA survey to determine an individual’s daily step goal | Week 1 | Daily | 61 | 3852 | |
Fitbit | ECG | An electrocardiogram (ECG) is a test that measures the electrical activity of the heartbeat | Week 1 | Arbitrary | 15 | 73 |
SpO2 | Blood oxygen saturation (SpO2) is the percentage of your blood that’s saturated with or contains oxygen | Week 1 | Daily | 27 | 1274 | |
Respiratory Rate Summary | Breathing rate, also known as respiratory rate, is the number of breaths you take per minute. | Week 1 | Daily | 44 | 3000 | |
Estimated Oxygen Variation | Estimated oxygen variation (EOV) is an approximation of the changes in your blood oxygen saturation levels | Week 1 | 2-Minute | 71 | 2009637 | |
VO2 max | VO2 max is a measure of the maximum amount of oxygen the body can utilize during exercise | Week 1 | 2-Day | 71 | 4854 | |
Nightly (Computed) Temperature | Skin temperature variation from a 3-day baseline temperature, measured during nighttime | Week 1 | Daily | 67 | 3568 | |
Wrist Temperature | Skin temperature is the temperature on the skin’s surface, measured during nighttime at regular intervals | Week 1 | 3-Minute | 61 | 4372238 | |
Stress Score | Stress score estimates how the body responds to stress based on heart rate, sleep, and activity level data | Week 1 | Daily | 36 | 1911 | |
Distance | Distance walked by an individual | Week 1 | 3-Minute | 68 | 3010529 | |
Calories | Number of calories burned by an individual | Week 1 | 3-Minute | 71 | 9675782 | |
Sleep | Sleep schedule, minutes asleep and awake, time spent in bed, time spent in each sleep stage | Week 1 | Daily | 66 | 4141 | |
Steps | Number of steps walked by an individual | Week 1 | 3-Minute | 68 | 3010529 | |
Exercise | Types and duration of exercises performed by an individual | Week 1 | Arbitrary | 69 | 3275 | |
Active Minutes | Time spent in activity calculated through metabolic equivalents (METs) | Week 1 | Daily | 71 | 21609 | |
Sedentary Minutes | Time spent in sedentariness | Week 1 | Daily | 71 | 7203 | |
Time in Heart Rate Zones | Time spent in the fat burn, cardio, or peak heart-rate zones | Week 1 | 2-Day | 71 | 4876 | |
Altitude | Number of floors climbed by the user | Week 1 | Arbitrary | 71 | 81022 | |
Heart Rate Variability | Heart rate variability (HRV) is the variation of time between each heartbeat | Week 1 | 5-Minute | 44 | 225987 | |
Heart Rate | Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute. | Week 1 | < 1-minute | 69 | 48720040 | |
Resting Heart Rate | Resting heart rate is the number of times the heart beats per minute when at rest | Week 1 | 4-Day | 71 | 12362 | |
Profile | Demographic details about an individual | N/A | N/A | 70 | 70 | |
Badge | Rewards earned for completing daily and lifetime milestones | Week 1 | Arbitrary | 71 | 902 | |
Journal Entries (Mood) | Manual mood entries after mindfulness sessions | Week 1 | Arbitrary | 46 | 118 | |
Mindfulness EDA | Electrodermal activity (EDA) responses are small changes in the sweat level of the skin | Week 1 | <1-Minute | 39 | 16070 | |
Mindfulness Goals | An individual’s goal number of mindfulness sessions to achieve | Week 2 | Arbitrary | 46 | 30 | |
Mindfulness Sessions | Mindfulness sessions can help the individual track and understand the effects of mindfulness practice | Week 1 | Arbitrary | 44 | 143 |
