Table 1:
Descriptive statistics of the postpartum depression (PPD) and non-PPD patient cohorts in the AoURP.
| Sample size | |||
|---|---|---|---|
| PPD cohort | Non-PPD | ||
| <20 | 39 | ||
| Age (years) | |||
| PPD cohort | Non-PPD | ||
| Median | IQR | Median | IQR |
| 35.60 | 4.53 | 33.60 | 4.85 |
| Digital biomarkers | |||||
|---|---|---|---|---|---|
| PPD | Non-PPD | ||||
| Digital biomarker | Median | IQR | Median | IQR | Units |
| Average HR | 74.23 | 12.30 | 78.31 | 11.65 | bpm |
| SD HR | 12.18 | 3.47 | 12.70 | 4.39 | bpm |
| Minimum HR | 54.00 | 11.00 | 57.00 | 9.00 | bpm |
| Q1 HR | 64.00 | 12.00 | 68.00 | 12.00 | bpm |
| Median HR | 72.00 | 12.00 | 76.00 | 12.00 | bpm |
| Q3 HR | 81.00 | 14.00 | 85.00 | 14.00 | bpm |
| Maximum HR | 124.00 | 18.00 | 127.00 | 22.00 | bpm |
| Sum steps | 7567.50 | 5652.25 | 7352.00 | 5996.00 | steps |
| Activity calories | 989.00 | 520.25 | 964.00 | 591.00 | calories |
| Calories BMR | 1466.00 | 160.00 | 1390.00 | 156.00 | calories |
| Calories out | 2236.00 | 471.25 | 2180.00 | 540.50 | calories |
| Fairly active minutes | 9.00 | 24.00 | 8.00 | 23.00 | minutes |
| Lightly active minutes | 245.00 | 126.00 | 245.00 | 122.50 | minutes |
| Marginal calories | 501.00 | 316.00 | 489.00 | 358.00 | calories |
| Sedentary minutes | 646.00 | 178.00 | 710.00 | 273.50 | minutes |
| Very active minutes | 2.00 | 18.00 | 4.00 | 21.00 | minutes |
| Number of days in each time period across all women | ||||
|---|---|---|---|---|
| PPD cohort | Non-PPD cohort | |||
| Time period | Median | IQR | Median | IQR |
| Pre-pregnancy | 206.00 | 159.00 | 227.00 | 231.25 |
| Pregnancy | 258.00 | 38.00 | 221.00 | 140.50 |
| Postpartum | 42.00 | 62.50 | 72.00 | 36.00 |
| PPD | 42.50 | 4.50 | 29.00 | 16.50 |
*
HR = heart rate, SD = standard deviation, BMR = basal metabolic rate