Table 3.
Factors associated with postpartum hair loss according to multiple logistic regression analysis (n = 279)
| Crude OR (95% CI) | P value | Model 1 adjusted OR (95% CI) | P value | Model 2 adjusted OR (95% CI) | P value | |
|---|---|---|---|---|---|---|
| Age at delivery, y | 1.04 [0.96, 1.14] | 0.342 | 1.02 [0.93, 1.12] | 0.672 | 1.01 [0.91, 1.12] | 0.833 |
| Delivery week | 0.76 [0.57, 1.03] | 0.075 | 0.88 [0.62, 1.24] | 0.455 | 0.92 [0.63, 1.35] | 0.663 |
| Infant weight, kg | 0.37 [0.13, 1.06] | 0.065 | 0.42 [0.12, 1.48] | 0.178 | 0.39 [0.11, 1.42] | 0.152 |
| Duration of breastfeeding <6 months 6–12 months >12 months |
Reference 3.85 [1.06, 13.91] 5.82 [1.93, 17.49] |
0.040 0.002 |
Reference 4.75 [1.25, 18.08] 6.83 [2.13, 21.86] |
0.022 0.001 |
Reference 5.57 [1.39, 22.31] 8.02 [2.33, 27.54] |
0.015 <0.001 |
| Para, n | 1.14 [0.72, 1.79] | 0.57 | 1.05 [0.62, 1.79] | 0.852 | ||
| Pre-pregnancy BMI, kg/cm2 | 1.00 [0.98, 1.02] | 0.895 | 1.00 [0.98, 1.03] | 0.785 | ||
| GDM and/or HDP (yes/no) |
1.25 [0.41, 3.79] | 0.693 | 1.63 [0.45, 5.93] | 0.456 | ||
| Delivery method Vaginal delivery Elective cesarean section Emergency cesarean section |
Reference 1.61 [0.53, 4.95] 1.03 [0.33, 3.20] |
0.403 0.964 |
Reference 1.10 [0.29, 4.12] 0.64 [0.18, 2.32] |
0.886 0.499 |
||
| AIS | 1.03 [0.93, 1.13] | 0.571 | 1.01 [0.90, 1.14] | 0.838 | ||
| EPDS | 1.01 [0.94, 1.09] | 0.756 | 1.01 [0.92, 1.11] | 0.800 |
AIS, Athens insomnia scale; BMI, body mass index; CI, confidence interval; EPDS, Edinburgh postnatal depression scale; GDM, gestational diabetes mellitus; HDP, hypertensive disorders of pregnancy; OR, odds ratio.