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Table 1 Geographic and sociodemographic characteristics of the study population

From: Health services use among children diagnosed with medium-chain acyl-CoA dehydrogenase deficiency through newborn screening: a cohort study in Ontario, Canada

  Study Cohort
MCAD deficiency, n (%) (n = 40) Screen negative, n (%) (n = 545,355)
Sex
 Male 20 (50.0) 279,638 (51.3)
 Female 20 (50.0) 265,717 (48.7)
Season of Birth
 January – April 12 (30.0) 177,918 (32.6)
 May – August 16 (40.0) 192,896 (35.4)
 Sept. – Dec. 12 (30.0) 174,541 (32.0)
Birth weighta
  < 2500 g < 6 (≤12.5) 33,027 (6.1)
  ≥ 2500 g 35–40 (≥87.5) 508,466 (93.9)
Gestational agea
  < 37 weeks < 6 (≤12.5) 42,235 (7.9)
  ≥ 37 weeks 35–40 (≥87.5) 489,232 (92.1)
Socioeconomic status
  ‘Lower’ 16 (40.0) 232,269 (42.8)
  ‘Higher’ 24 (60.0) 310,003 (57.2)
Urban-rural statusb
 Rural 6 (15.0) 34,111 (6.3)
 Urban 34 (85.0) 505,236 (93.7)
  1. aResults are suppressed for cell sizes < 6
  2. bP < 0.05 for difference in proportion in the MCADD cohort versus the screen negative comparison cohort