Table 2.
Univariate analysis of factors associated with longitudinal perceived stress.
| Factor | Effect estimate | P value |
| Baseline resilience | –0.84 | <.001 |
| Baseline optimism | –0.34 | <.001 |
| Baseline emotional support | –0.62 | <.001 |
| Baseline quality of life | –0.71 | <.001 |
| Longitudinal quality of life | –0.80 | <.001 |
| Baseline anxiety or depression | 1.27 | <.001 |
| Baseline BMI | 0.07 | .001 |
| Male gender | –0.94 | .002 |
| Mean New York City case count per period | 0.82 | .004 |
| No positive COVID-19 nasal PCRa at baseline | 0.91 | .11 |
| 2 weeks post positive COVID-19 nasal PCR test | –0.18 | .62 |
| 4 weeks post positive COVID-19 nasal PCR test | –0.82 | .01 |
| 2 weeks post positive COVID-19 antibody test | –0.36 | .19 |
| 4 weeks post positive COVID-19 antibody test | –0.10 | .71 |
| Any period post positive COVID-19 nasal PCR test | –0.85 | .04 |
| 2 weeks post positive COVID-19 PCR or antibody test | –0.25 | .28 |
| Any period post positive COVID-19 antibody test | –0.26 | .36 |
| Weight | 0.02 | .04 |
| Age | –0.03 | .047 |
| Baseline asthma | 0.89 | .045 |
| Baseline heart disease | 3.37 | .19 |
| Baseline hypertension | –0.34 | .58 |
| Baseline diabetes | –0.20 | .85 |
| Mean symptomatic days per period | 0.32 | .07 |
| Staff vs clinical nontrainee | –0.03 | .81 |
| Staff vs clinical trainee | 0.43 | .15 |
| Clinical vs clinical trainee | 0.60 | .17 |
| Any period post positive COVID-19 PCR or antibody test | –0.47 | .07 |
| Height | –0.03 | .08 |
| Mean days traveled per period | –0.09 | .58 |
| Days left home per period | –0.05 | .08 |
| No immune-suppressing medication at baseline | –1.80 | .17 |
| No childcare needs at baseline | –0.39 | .23 |
| Smoking at baseline | 0.53 | .20 |
| Mean days hospitalized per period | –1.66 | .27 |
| Mean days treating COVID-19–positive patients per period | 0.22 | .28 |
| Number of days left home | –0.02 | .30 |
| Asian vs Black | 0.02 | .97 |
| Asian vs other | –0.34 | .47 |
| Black vs other | –0.36 | .55 |
| White vs Asian | 0.01 | .99 |
| White vs Black | 0.03 | .96 |
| White vs other | –0.34 | .45 |
| No positive COVID-19 antibody test at baseline | 0.03 | .69 |
| Days caring for patients with COVID-19 | 0.01 | .73 |
| Interacted with 1-3 people outside the home per day | 0.01 | .97 |
| Interacted with 4-9 people outside the home per day | 0.01 | .96 |
| Interacted with ≥10 people outside the home per day | –0.11 | .64 |
| Mean days quarantined per period | –0.20 | .80 |
| Total symptomatic days per period | 0.01 | .85 |
| Days working weighted based on patient exposure | 0.03 | .69 |
| Days hospitalized per period | 0.07 | .88 |
| Days quarantined per period | –0.03 | .90 |
| Mean number of days the participant left the house per period | 0.03 | .90 |
| Mean working days during this period | 0.02 | .88 |
| Sum of the severity of COVID-19 symptoms per period | –0.001 | .96 |
| Mean severity of COVID-19 symptoms this period | 0.08 | .14 |
aPCR: polymerase chain reaction.