TABLE 5.

Differences of proportions of participants identifying 16 behaviors as a symptom of a developmental disorder, as a function of age, parenthood, and level of education.

	Age					Have children					Level of education
Behaviors	18–30 ans		31–79			Yes		No			Low		High
	n = 87		n = 96			n = 87		n = 96			n = 82		n = 101
	n	%	n	%	p	n	%	n	%	p	n	%	n	%	p
1. Doesn’t respond to pointing	4	5	2	2	0.829	4	4	2	3	0.320	4	5	2	2	0.863
2. Doesn’t point to desired objects	6	7	7	7	0.460	9	9	4	5	0.185	6	7	7	7	0.540
3. Doesn’t point at interesting objects	9	10	15	16	0.145	14	13	10	13	0.459	10	12	14	14	0.370
4. Doesn’t respond to name	9	10	15	16	0.145	16	15	8	10	0.162	10	12	14	14	0.370
5. Avoids eye contact	29	33	55	57	0.001	53	50	31	40	0.075	33	40	51	50	0.083
6. Play concentrates on specific toy parts	14	16	16	17	0.460	17	16	13	17	0.534	11	13	19	19	0.163
7. Doesn’t handle interesting objects to adults	4	5	12	13	0.029	13	12	3	4	0.022	8	10	8	8	0.669
8. Doesn’t Imitate Adults	9	10	12	13	0.323	12	11	9	12	0.509	12	15	9	9	0.886
9. Doesn’t speak – only produce sounds	14	16	20	21	0.206	19	18	15	19	0.577	17	21	17	17	0.750
10. Doesn’t have interest in other children	14	16	13	14	0.688	13	12	14	18	0.853	13	16	14	14	0.647
11. Doesn’t understand instructions	10	11	10	10	0.591	11	10	9	12	0.590	7	9	13	13	0.175
12. Doesn’t understand emotions	7	8	6	6	0.681	7	7	6	8	0.996	5	6	8	8	0.317
13. Produce unusual finger movements	10	11	11	11	0.504	10	10	11	14	0.832	3	4	18	18	0.001
14. Covers ears to common sounds	1	1	5	5	0.062	6	6	0	0	0.016	5	6	1	1	0.973
15. Hits his head with hands or objects	11	13	11	11	0.599	15	14	7	9	0.137	11	13	11	11	0.699
16. Angers abruptly if environment changes	16	18	20	21	0.337	25	24	11	14	0.051	17	21	19	19	0.627

p < 0.05 shown in bold.