Table 3.

Machine learning (ML) models did not accurately detect the postpartum depression (PPD)–equivalent period in women without PPD.

Time period and metric			Value, mean (SD)
Prepregnancy period
	Sensitivity	0.89 (0.15)
	Specificity	0.91 (0.10)
	Precision	0.88 (0.09)
	Recall	0.89 (0.15)
	F1-score	0.88 (0.13)
Pregnancy period
	Sensitivity	0.85 (0.12)
	Specificity	0.91 (0.06)
	Precision	0.87 (0.07)
	Recall	0.85 (0.12)
	F1-score	0.86 (0.09)
Postpartum period
	Sensitivity	0.74 (0.20)
	Specificity	0.96 (0.04)
	Precision	0.76 (0.16)
	Recall	0.74 (0.20)
	F1-score	0.75 (0.18)
PPD-equivalent period
	Sensitivity	0.52 (0.33)
	Specificity	0.99 (0.03)
	Precision	0.69 (0.28)
	Recall	0.52 (0.33)
	F1-score	0.61 (0.30)