Table 2.
Surveys included in the Labs Without Walls research app and their measurement frequencies.
| Construct of interest | Measure description | Items, n | Administration day or days |
| Age | Years | 1 | 1 |
| Ethnicity | Ethnic group or groups identified with | 1 | 1 |
| Relationship status | Married, in a relationship, or single | 1 | 1 |
| Education | Years of education by education stage (primary, secondary, technical college, university, or other) | 5 | 1 |
| Household income | Weekly average household income before tax | 1 | 1 |
| Employment | Employed, unemployed, or retired | 1 | 1 |
| Self-rated health | Physical and mental health measured by the SF-12a version 2 [29] | 12 | 1 |
| Sex | Self-reported sex at birth | 1 | 1 |
| Gender identity | Self-reported gender identity | 1 | 1 |
| Childhood gender role nonconformity | Subset of items from the Recalled Childhood Gender Identity and Gender Role Questionnaire [30] | 3 | 1 |
| Genders in childhood home | Balance of genders in childhood home | 1 | 1 |
| Sexuality | Sexual orientation | 1 | 1 |
| Menopause | Self-reported female reproductive status (administered only to those assigned female at birth) | 1 | 1 |
| HRTsb | Currently taking HRTs | 1 | 1 |
| Smoking | Currently smoke | 1 | 1 |
| Vaping | Currently vape | 1 | 1 |
| Alcohol | Frequency of consumption and amount per occasion | 2 | 1 |
| Resilience | CD-RISC2c [31] | 2 | 1 |
| Chemical intolerance | BREESId [32] | 3 | 1 |
| Perceptions of air quality | Perceived in-home air quality and perceived impact of quality on health | 2 | 1 |
| Future time perspective | Short-form FTPe scale [33,34] | 5 | 1 |
| Expectations regarding aging | ERA-12f [35] | 12 | 1 |
| Social isolation | UCLAg Loneliness Scale [36] | 3 | 1 |
| Digital technology use | Weekday use of digital and internet technologies and impact of use | 6 | 1 |
| COVID-19 experiences | COVID-19 experiences and impact questionnaire | 37 | 4 and 30 |
| Subjective aging (daily) | Felt age, look age, behave age, mental performance age, interests age, and ideal age | 6 | 1, 8-14, and 36-42 |
| Mood (daily) | Adapted 10-item Positive and Negative Affect Scales [37] | 10 | 8-14, 22-28, 36-42, and 50-56 |
| Resilience (daily) | Adapted CD-RISC2 | 2 | 8-14, 22-28, 36-42, and 50-56 |
| Fun (daily) | Original items measuring fun, laughter, and excitement in the past 24 hours | 3 | 8-14, 22-28, 36-42, and 50-56 |
| Gender expression (daily) | Gender appearance and expression adapted from the study by Wylie et al [38] | 2 | 22-28, and 50-56 |
| Stress (daily) | Original items measuring daily stress about work, finances, relationships, global events, and COVID-19 | 5 | 8-14, 22-28, 36-42, and 50-56 |
| Fatigue and vitality (daily) | SF-36h vitality subscale [39] | 4 | 8-14, 22-28, 36-42, and 50-56 |
| User satisfaction | Multifaceted feedback on the app and watch user experience | 9 | 56 |
aSF-12: 12-Item Short Form Survey.
bHRT: hormone replacement therapy.
cCD-RISC2: 2-item Connor-Davidson Resilience Scale.
dBREESI: Brief Environmental Exposure and Sensitivity Inventory.
eFTP: Future Time Perspective.
fERA-12: 12-item Expectations Regarding Aging Scale.
gUCLA: University of California, Los Angeles.
hSF-36: 36-Item Short Form Survey.