Table 2.
Children with autism | Typically developing children | ||||
---|---|---|---|---|---|
General condition and symptoms | n | % | n | % | P* |
Sex | |||||
Male | 45 | 84·9 | 45 | 84·9 | 1·000 |
Female | 8 | 15·1 | 8 | 15·1 | |
Age years | |||||
4 | 31 | 58·5 | 31 | 58·5 | 1·000 |
5 | 18 | 34·0 | 18 | 34·0 | |
6 | 4 | 7·5 | 4 | 7·5 | |
Occupation of mother | |||||
Intellectual work | 36 | 67·9 | 40 | 75·5 | 0·388 |
Physical work | 17 | 32·1 | 13 | 24·5 | |
Occupation of father | |||||
Intellectual work | 37 | 69·8 | 38 | 71·1 | 0·831 |
Physical work | 16 | 30·2 | 15 | 28·3 | |
Family income per capita per month | |||||
≥3000 Chinese Yuan | 27 | 50·9 | 23 | 43·3 | 0·436 |
<3000 Chinese Yuan | 26 | 49·1 | 30 | 56·6 | |
Food selectiveness | 23 | 43·4 | 9 | 17·0 | 0·003 |
Resists trying new foods | 33 | 62·3 | 15 | 28·3 | <0·001 |
Bad eating independence and attention | 33 | 62·3 | 3 | 5·7 | <0·0001 |
Abdominal pain | 11 | 20·8 | 2 | 3·8 | 0·008 |
Constipation | 21 | 39·6 | 3 | 5·7 | <0·0001 |
Chronic diarrhoea | 14 | 26·4 | 0 | 0 | <0·0001 |
Excessive flatulence | 10 | 18·9 | 4 | 7·5 | 0·085 |
Disgorging | 5 | 9·4 | 1 | 1·9 | 0·207 |
Sleep disturbance | 11 | 20·8 | 4 | 7·5 | 0·051 |
Food or drug allergy | 15 | 28·3 | 4 | 7·5 | 0·005 |
Self-injurious behaviour, tantrums, aggression, oppositional behaviour | 20 | 37·7 | 6 | 11·3 | 0·002 |
Family history of allergy or immunity to diseases | 28 | 52·8 | 10 | 18·9 | <0·0001 |
Father/mother with a moderate or severe gastrointestinal problem | 23 | 43·4 | 18 | 34·0 | 0·319 |
* χ2 test.