Development of multivariable models to predict perinatal depression before and after delivery using patient reported survey responses at weeks 4–10 of pregnancy

Table 1 The data sizes and outcome count for the different time-periods investigated

Follow-up Period	Participant Count	Outcome Count	Outcome %
Trimester 1	554	116	20.9
Trimester 2	528	111	20.0
Trimester 3	555	140	25.2
After deliver 1	469	77	16.4
After deliver 2	515	89	17.3

ISSN: 1471-2393