Table 2 Drivers of the diagnostic costs: multivariate analyses
Constant | Coefficient | CI 95% | p* |
|---|---|---|---|
378.55 | (348.43–408.66) | <0.0001 | |
Center | |||
A | 66.24 | (48.05–84.42) | <0.0001 |
B | 20.25 | (2.42–38.08) | 0.0260 |
C | 77.75 | (59.81–95.69) | <0.0001 |
D | 51.21 | (30.99–71.42) | <0.0001 |
E | 70.33 | (48.53–92.12) | <0.0001 |
F | 79.40 | (58.18–100.62) | <0.0001 |
G | 75.76 | (55.44–96.108) | <0.0001 |
H | 72.11 | (54.92–89.31) | <0.0001 |
I | 79.72 | (58.63–100.8) | <0.0001 |
J | 93.36 | (75.5–111.22) | <0.0001 |
K | 38.67 | (15.63–61.71) | 0.0010 |
L | – | ||
M | 87.82 | (13.78–161.86) | 0.0201 |
N | 46.85 | (25.86–67.84) | <0.0001 |
O | 84.22 | (67.35–101.09) | <0.0001 |
P | 82.20 | (61.25–103.15) | <0.0001 |
Q | 59.44 | (32.61–86.28) | <0.0001 |
R | 77.65 | (56.14–99.15) | <0.0001 |
Gender | |||
Female | 4.41 | (−2.79 to 11.61) | ns |
Male | – | ||
Age at diagnosis | |||
Years | 0.70 | (−1.14 to 2.54) | ns |
Scholarship | |||
Primary | 6.71 | (−3.66 to 17.08) | ns |
Middle | – | ||
Scholar support | |||
Yes | – | ||
None | 9.56 | (−0.84 to 19.97) | ns |
Sender | |||
GP | 8.70 | (−5.78 to 23.19) | ns |
Relatives | – | ||
School | 9.47 | (1.52–17.43) | 0.0196 |
Neuropsychiatric (private) | 5.38 | (−5.89 to 16.65) | ns |
Neuropsychiatric (NHS) | 5.65 | (−8.08 to 19.38) | ns |
CANS | 5.11 | (−3.77 to 14) | ns |
Familiar history of ADHD | |||
Positive | 2.10 | (−4.99 to 9.18) | ns |
Negative | – | ||
Diagnosis of ADHD | |||
Yes | 2.70 | (−3.55 to 8.94) | ns |
None | – | ||
Psychiatric concomitant disorders | |||
Yes | – | ||
None | 0.66 | (−5.02 to 6.33) | ns |
CGIS | |||
<5 | 3.74 | (−3.15 to 10.64) | ns |
≥5 | – | ||
Time to diagnosis | |||
Working days | 0.05 | (0.02–0.09) | 0.0033 |