Table 1.

First psychological diagnosis in a GP consultation at age 15–16 years by number of prior GP consultations, length of parental education, and GP characteristics, N = 6809

Patient characteristics	Females	Males
Sample, n	3980	2829

GP consultations in the 12 months before psychological diagnosis, n (%)

0	1263 (31.7)	1360 (48.1)

1–2	1700 (42.7)	1130 (39.9)

≥3	1017 (25.6)	339 (12.0)

Length of parental education, years (%)^b
Mother
≤10 (basic)	1511 (38.0)	1081 (38.2)
11–13 (intermediate)	1378 (34.6)	965 (34.1)
>13 (high)	976 (24.5)	658 (23.3)

Father
≤10 (basic)	1412 (35.5)	1020 (36.0)
11–13 (intermediate)	1670 (42.0)	1185 (41.9)
>13 (high)	613 (15.4)	393 (13.9)

GP characteristics^b

Sample, n	3024

Female, n (%)	1080 (35.7)

Male, n (%)	1944 (64.3)

Median age, years (IQR)	49.3 (39.3–56.3)

Approved specialist in general practice, %	66.0

Median list size, n (IQR)	1242 (995–1479)

GP practice characteristics

Proportion (%) of consultations with:^a
Psychological diagnosis (P-diagnosis), median (IQR)	11.3 (8.7–14.4)
Time use >20 minutes (long consultation), median (IQR)	27.8 (19.0–37.9)

↵a Based on the GP’s whole practice population (all age groups).
↵b Missing data: 642 adolescents had missing data on education for one or both parents, and 169 had missing data for one or more of GP characteristics. IQR = interquartile range.