TABLE 1.

Study Sample Characteristics: Demographics of Parents and Their VLBW Infants

TaiwanHong KongSingaporeKuala LumpurTokyoMelbourneSan Francisco
Parents
    No. interviewed45425637315165
    Mean maternal age, y32.531.731.134.531.131.7
Infants
    Mean chronologic age at interview, wk75.256.541.536.970.553.485.8
    VLBW infants (<1501 g), n61515842345776
    Mean birth weight, g (range)1244 (710–1500)1080 (468–1500)1037 (510–1490)1234 (600–1500)1098 (642–1496)1056 (546–1500)1023 (567–1480)
    Mean gestational age, wk30.129.028.130.229.129.228.1
    Stillborn infants and neonatal deaths, n**24*37
    Mean length of stay, wk12.512.210.612.3
    Infants with reported sequelae, n22/5713/5115/569/3811/3416/5413/69
  • * Parents of an infant who died were not eligible for interviews (see “Discussion”).

  • The question was not asked in some interviews.