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Table 6 Associationsa between maternal and birth characteristics and chapter specific morbidity of diagnosis received in specialist care unit visits. Continued

From: Maternal advanced age, single parenthood, and ART increase the risk of child morbidity up to five years of age

  Chapter X Chapter XI Chapter XII Chapter XIII Chapter XIV Chapter XVI Chapter XVII Chapter XVIII Chapter XIX
  aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI)
Maternal age
 <=39 years Reference Reference Reference Reference Reference Reference Reference Reference Reference
 >=40 years 0.87 (0.82-0.92) 0.96 (0.88-1.05) 0.97 (0.89-1.06) 1.10 (0.95-1.27) 1.02 (0.90-1.16) 1.15 (1.04-1.28) 1.16 (1.05-1.27) 0.96 (0.89-1.02) 0.90 (0.84-0.96)
Civil status
 Married/ cohabiting Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Single status at registration 0.98 (0.88-1.08) 1.09 (0.94-1.27) 1.04 (0.90-1.21) 0.86 (0.66-1.12) 0.85 (0.68-1.06) 1.12 (0.94-1.33) 1.14 (0.97-1.33) 1.15 (1.03-1.29) 1.02 (0.91-1.12)
Assisted reproductive technologyb
 No Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Yes 1.16 (1.02-1.31) 1.33 (1.12-1.58) 1.15 (0.96-1.37) 1.05 (0.78-1.42) 1.16 (0.90-1.49) 1.02 (0.83-1.25) 1.14 (0.94-1.38) 1.27 (1.11-1.46) 0.98 (0.85-1.12)
Gender
 Boy Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Girl 0.67 (0.63-0.70) 0.85 (0.79-0.93) 0.85 (0.78-0.92) 0.78 (0.68-0.90) 0.80 (0.72-0.90) 0.81 (0.73-0.89) 0.68 (0.62-0.75) 0.83 (0.78-0.88) 0.80 (0.75-0.85)
Size for gestational age
 Average for gestational age Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Small for gestational age 0.96 (0.79-1.18) 1.22 (0.93-1.60) 0.68 (0.48-0.96) 0.79 (0.47-1.32) 0.69 (0.45-1.09) 1.67 (1.28-2.17) 1.22 (0.92-1.62) 1.17 (0.95-1.45) 0.90 (0.72-1.13)
Gestational age
 Born at term Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Born pretermc 1.44 (1.25-1.66) 1.46 (1.20-1.77) 1.00 (0.80-1.24) 1.16 (0.83-1.63) 1.33 (1.00-1.76) 7.95 (6.80-9.30) 1.64 (1.34-2.00) 1.24 (1.06-1.44) 0.97 (0.82-1.14)
Birthweight
 Normal Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Low birthweightd 1.31 (1.09-1.57) 1.20 (0.94-1.53) 0.92 (0.70-1.22) 1.23 (0.81-1.87) 1.30 (0.92-1.84) 3.74 (3.06-4.57) 1.43 (1.12-1.84) 1.35 (1.12-1.64) 1.12 (0.92-1.37)
Nicotine use during pregnancy
 No Reference Reference Reference Reference Reference Reference Reference Reference Reference
 Yes 1.28 (1.16-1.40) 1.14 (1.00-1.31) 0.94 (0.82-1.08) 1.20 (0.97-1.50) 1.07 (0.89-1.30) 0.97 (0.82-1.14) 1.18 (1.02-1.37) 1.19 (1.18-1.45) 0.99 (0.89-1.10)
Educational level
 Elementary 1.34 (1.22-1.46) 1.16 (1.01-1.32) 1.26 (1.11-1.44) 1.16 (0.93-1.45) 1.56 (1.30-1.87) 1.12 (0.95-1.32) 1.11 (0.96-1.29) 1.31 (1.18-1.45) 1.03 (0.93-1.14)
 High school 1.08 (1.02-1.15) 1.04 (0.95-1.13) 1.09 (1.00-1.19) 1.07 (0.93-1.24) 1.20 (1.06-1.37) 1.14 (1.03-1.27) 1.10 (1.00-1.21) 1.14 (1.07-1.22) 0.96 (0.90-1.03)
 College/ University Reference Reference Reference Reference Reference Reference Reference Reference Reference
  1. Adjusted for all variables presented in the table
  2. a Adjusted for all variables presented in the table. Statistically significant ORs are presented in bold text
  3. b Assisted reproductive technology (ART): ovulation induction, in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) with own or donated gametes, embryo donation
  4. c Born preterm (PT): born at <37 weeks’ gestation
  5. d Low birth weight (LBW): birth weight <2500 g