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Table 2 Comparison of the EPDS scores and frequency scores

From: Comparison of response options and actual symptom frequency in the Japanese version of the Edinburgh Postnatal Depression Scale in women in early pregnancy and non-pregnant women

EPDS-S (mean ± SD)

Non-pregnant women

Pregnant women

p-value

n = 63

Total

(n = 539)

10’s (n = 6)

20’s (n = 238)

30’s (n = 278)

40’s (n = 17)

Positive rate

7.8 ± 4.6

5.1 ± 4.0***

9.3 ± 6.2

5.2 ± 4.0

4.9 ± 3.8

4.8 ± 5.4

< 0.0001

 

0.17

0.06**

0.33

0.08

0.04

0.1

0.0069

FREQ-S (mean ± SD)

       

Positive rate

7.4 ± 5.8

5.0 ± 4.8**

9.0 ± 7.5

5.1 ± 5.0

4.8 ± 4.4

5.6 ± 5.2

0.0028

      

0.1

0.15

  1. The p-values by one-way analysis of variance are shown. Multiple comparisons showed that EPDS-S and FREQ-S were significantly higher in the teens than in other age groups
  2. **The p-value in comparison with the non-pregnant group was < 0.01
  3. ***The p-value in comparison with the non-pregnant group was < 0.001
  4. EDPS-S Edinburgh Postnatal Depression Scale score, FREQ-S frequency score, SD standard deviation