Skip to main content

Table 2 Prevalence of ASD among children aged 18 and 30 months

From: Prevalence of autism spectrum disorders and their relation to selected socio-demographic factors among children aged 18–30 months in northern Vietnam, 2017

  Count Percentage (%) Lower bound of 95% CI (%) Upper bound of 95% CI (%)
City/province
 Ha Noi 46 0.836 0.613 1.114
 Thai Binh 41 0.697 0.501 0.944
 Hoa Binh 43 0.730 0.529 0.982
Area
 Rural 74 0.580 0.456 0.728
 Urban 56 1.238 0.937 1.605
Gender
 Girl 23 0.287 0.182 0.431
 Boy 107 1.155 0.947 1.393
Age (months)
 18–23 55 0.772 0.582 1.003
 24–30 75 0.739 0.582 0.925
Mother age
 Less than 29 81 0.695 0.553 0.864
 29 to 39 41 1.010 0.725 1.367
 40 and older 8 0.511 0.221 1.003
Mother’s education
 Primary education 32 0.652 0.461 0.921
 Secondary education 46 0.787 0.590 1.049
 High school 32 0.936 0.663 1.321
 University/College 20 0.645 0.416 0.997
Mother’s occupation
 Government staff 14 0.497 0.272 0.833
 Private sector staff 30 0.792 0.535 1.129
 Farmer 36 1.054 0.577 1.137
 Unstable job 42 0.759 0.547 1.024
 Others 8 0.822 0.456 2.066
Father’s age
 Less than 29 53 0.613 0.459 0.801
 29 to 39 72 0.908 0.711 1.142
 40 and older 5 0.717 0.233 1.666
Father’s education
 Primary education 31 0.605 0.426 0.859
 Secondary education 50 0.788 0.598 1.038
 High school 25 0.907 0.614 1.339
 University/College 24 0.786 0.527 1.170
Father’s occupation
 Government staff 13 0.537 0.286 0.916
 Private sector staff 27 0.889 0.587 1.291
 Farmer 18 0.470 0.279 0.742
 Unstable job 65 0.869 0.671 1.106
 Others 7 1.378 0.556 2.818
Number of children in the family
 1 39 0.645 0.459 0.881
 2 69 0.799 0.622 1.010
 3 22 0.847 0.532 1.280
Economic status
 Non-poor 118 0.750 0.622 0.898
 Near poor/poor 12 0.773 0.400 1.347
Total 130 0.752 0.629 0.893