Table 2.

RRs of adult brain tumor subtypes associated with birth weight by gestational age, birth length, and head circumference

CasesCrude RRAdjusted RRaAdjusted RRb
Glioma
Birth weight by gestational age
 SGA530.95 (0.71–1.26)0.94 (0.71–1.26)0.93 (0.68–1.26)
 AGA4401 (ref.)1 (ref.)1 (ref.)
 LGA621.10 (0.85–1.44)1.11 (0.85–1.45)1.11 (0.82–1.49)
Head circumference (cm)
 20–32481.01 (0.74–1.37)1.02 (0.74–1.39)1.05 (0.75–1.47)
 33–342071.00 (0.83–1.20)1.01 (0.83–1.21)1.02 (0.84–1.24)
 35–362401 (ref.)1 (ref.)1 (ref.)
 37–45601.07 (0.81–1.41)1.04 (0.79-1.38)1.01 (0.75-1.36)
Birth length (cm)
 40–491670.98 (0.81–1.19)1.00 (0.83–1.21)1.01 (0.82–1.26)
 50–522911 (ref.)1 (ref.)1 (ref.)
 53–62971.07 (0.85–1.35)1.05 (0.83–1.32)1.02 (0.79–1.31)
Meningioma
Birth weight by gestational age
 SGA80.66 (0.32–1.37)0.66 (0.32–1.37)0.71 (0.33–1.52)
 AGA951 (ref.)1 (ref.)1 (ref.)
 LGA161.33 (0.78–2.26)1.30 (0.76–2.21)0.92 (0.50–1.68)
Head circumference (cm)
 20–3260.61 (0.26–1.43)0.56 (0.24–1.32)0.56 (0.23–1.38)
 33–34441.02 (0.68–1.54)0.96 (0.64–1.45)0.97 (0.63–1.50)
 35–36491 (ref.)1 (ref.)1 (ref.)
 37–45201.74 (1.03–2.92)1.90 (1.12–3.21)1.76 (1.01-3.05)
Birth length (cm)
 40–49371.19 (0.78–1.80)1.12 (0.74–1.71)1.36 (0.86–2.15)
 50–52541 (ref.)1 (ref.)1 (ref.)
 53–62281.67 (1.06–2.63)1.79 (1.13-2.84)1.58 (0.95-2.63)
Neuroma
Birth weight by gestational age
 SGA152.02 (1.15–3.56)2.01 (1.14–3.54)2.50 (1.31–4.78)
 AGA591 (ref.)1 (ref.)1 (ref.)
 LGA101.34 (0.68–2.61)1.38 (0.71–2.70)1.31 (0.62–2.80)
Head circumference (cm)
 20–3240.65 (0.23–1.85)0.66 (0.23–1.87)0.53 (0.17–1.59)
 33–34361.34 (0.83–2.17)1.34 (0.83–2.18)1.23 (0.74–2.04)
 35–36311 (ref.)1 (ref.)1 (ref.)
 37–45131.77 (0.92–3.38)1.76 (0.92–3.38)1.86 (0.94–3.68)
Birth length (cm)
 40–49240.86 (0.53–1.41)0.89 (0.54–1.46)0.76 (0.43–1.34)
 50–52481 (ref.)1 (ref.)1 (ref.)
 53–62120.81 (0.43–1.52)0.79 (0.42–1.49)0.68 (0.33–1.36)
  • aAdjusted for sex, maternal and paternal age, maternal birthplace, birth cohort, and parental socioeconomic index at birth.

  • bAdjusted for sex, maternal and paternal age, maternal birthplace, birth cohort parental socioeconomic index at birth, subject birth weight by gestational age, head circumference, and birth length.