Table 2 Mean age at first concerns and at diagnosis and mean time taken from first concerns to diagnosis stratified by characteristics
From: Pathways to a diagnosis of autism spectrum disorder in Germany: a survey of parents
Characteristic | Age at first concerns | Age at diagnosis | Time from first concerns to diagnosis | |||
|---|---|---|---|---|---|---|
N | Mean in months (SD) | N | Mean in months (SD) | N | Mean in months (SD) | |
Sex | ||||||
 Male | 171 | 24.0 (18.9) | 170 | 78.3 (37.5) | 169 | 54.8 (36.6) |
 Female | 34 | 20.8 (14.8) | 33 | 79.6 (43.1) | 33 | 58.5 (44.2) |
Age groups in years | ||||||
 0–11 | 69 | 19.4 (15.1) | 70 | 55.7 (21.6) | 69 | 36.5 (24.5) |
 ≥ 12 | 136 | 25.5 (19.5) | 133 | 90.5 (39.9) | 133 | 65.2 (39.9) |
ASD diagnosis | ||||||
 Childhood autism (F84.0) | 114 | 21.3 (16.4) | 113 | 68.1 (35.4) | 112 | 47.3 (34.2) |
 Atypical autism (F84.1) | 42 | 21.7 (15.2) | 41 | 83.9 (42.0) | 41 | 61.9 (43.6) |
 Asperger syndrome (F84.5) | 49 | 29.8 (23.2) | 49 | 98.1 (33.7) | 49 | 68.3 (36.7) |
Intellectual functioning | ||||||
 IQ ≥ 85 | 95 | 30.2 (21.2) | 94 | 89.3 (36.6) | 93 | 59.9 (37.1) |
 IQ < 85 | 75 | 17.5 (13.3) | 75 | 73.8 (38.5) | 75 | 56.3 (38.8) |
ADOS-2 comparison score | ||||||
 Minimal to low (1–4) | 27 | 28.1 (18.7) | 25 | 94.4 (42.5) | 25 | 67.4 (38.3) |
 Moderate (5–7) | 93 | 22.5 (19.5) | 94 | 79.9 (37.3) | 93 | 57.8 (39.4) |
 High (8–10) | 66 | 22.0 (15.8) | 65 | 70.9 (37.5) | 65 | 48.8 (34.5) |
Highest parental level of education | ||||||
 Low/middle | 80 | 25.4 (18.1) | 79 | 82.1 (41.0) | 79 | 56.9 (41.7) |
 High | 124 | 22.3 (18.4) | 123 | 76.0 (36.8) | 122 | 54.1 (35.3) |
Overall | 205 | 23.4 (18.3) | 203 | 78.5 (38.4) | 202 | 55.4 (37.8) |