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Table 1 Baseline characteristics of antidepressant users and non-users

From: Association between antidepressant use during pregnancy and autism spectrum disorder in children: a retrospective cohort study based on Japanese claims data

  Antidepressant use during pregnancy
User (n = 195) Non-user (n = 26,730)
Maternal age at birtha)
 mean (SD), y 32.1 (4.57)* 31.4 (4.39)
  < 20, n, (%) 0 (0.0) 17 (0.1)
 20–29, n, (%) 59 (30.3) 9001 (33.7)
 30–39, n, (%) 124 (63.6) 16,838 (63.0)
40, n, (%) 12 (6.2) 874 (3.3)
 Diagnosed as depressed during pregnancyb), n, (%) 159 (81.5)** 120 (0.4)
 Child gender ratio (% male) 49.7 51.3
  1. Abbreviations: SD, standard deviation
  2. a)t-test; *, P < 0.05
  3. b)χ2 test; **, P < 0.01