Table 1

Characteristics of mothers at the time of their child’s birth, by Indigenous status and maternal alcohol use disorder exposure

Non-IndigenousIndigenous
ComparisonExposedΧ2 pComparisonExposedΧ2p
n%n%n%n%
Maternal age*<0.0010.021
 <20236414.385412.4251524.5100422.1
 20<25512330.9205429.8330632.2147532.5
 25<30450227.1195028.3249524.3112924.8
 30<35301718.2135419.7136113.366814.7
 35<40132085768.45355.22465.4
 40+2571.5981.4550.5220.5
Marital status<0.001<0.001
 Married13 97184.2496972.2677065.9278261.2
 Never married244714.8163723.8321531.3160935.4
 Separated/divorced/widowed1460.92363.420921012.2
 Missing190.1440.6730.7521.1
Socioeconomic status<0.001<0.001
 Highest >10%7804.71922.8340.350.1
 10–<25%174210.55277.71571.5471
 25–<50%343220.712391871472295
 50–<75%431326177225.7178417.463814
 75–<90%301418.2142620.7238623.291220.1
 Lowest 10%184211.1117017324731.6145232
 Missing/unknown14608.85608.1194518.9126127.8
Health service region0.025
 Perth metropolitan area11 77371486270.60.552362835.3151933.4
 Rural/remote481029202429.4663964.7302566.6
Any maternal mental health diagnosis<0.001<0.001
 No14 76189320546.5894787.1307167.6
 Yes182211368153.5132012.9147332.4
Any maternal illicit drugs record<0.001<0.001
 No16 22497.8408559.3955493.1331573
 Yes3592.2280140.76136122927
Fetal alcohol spectrum disorder0.007†<0.001
 No16 583100688299.910 25699.9448798.8
 Yes0040.1110.1571.3
Child intellectual disability<0.001<0.001
 No16 26098.1669597.210 00797.5434995.7
 Yes32321912.82602.51954.3
 Total16 583100688610010 2671004544100
  • *Frequency matching variable.

  • †Fisher’s exact test.