Table 4.

Negative binomial regression indicating associations between number of GP follow-up consultations after a GP index consultation and initial diagnosis, number of prior consultations, parental education, and GP characteristics

FemalesMales
RR95% CIRR95% CI
Diagnosis at first consultation
Sleep disturbance11.00 to 1.0011.00 to 1.00
Internalising problems1.263a1.02 to 1.571.320a1.01 to 1.72
Externalising problems1.0110.78 to 1.320.9450.71 to 1.26
Attention problems1.0380.80 to 1.351.1100.85 to 1.45
Psychological symptom, other, P291.598b1.26 to 2.030.8280.58 to 1.18
Miscellaneous0.9180.67 to 1.251.0910.77 to 1.54
GP consultations 1 year prior to index episode
011.00 to 1.0011.00 to 1.00
1–21.1060.97 to 1.261.238c1.06 to 1.44
≥31.458b1.26 to 1.691.751b1.41 to 2.17
Length of parental education, years
Mother
  ≤10 (basic)11.00 to 1.0011.00 to 1.00
  11–13 (intermediate)0.9290.82 to 1.061.0700.91 to 1.26
  >13 (high)1.0250.88 to 1.191.0370.85 to 1.26
Father
  ≤10 (basic)11.00 to1.0011.00 to 1.00
  11–13 (intermediate)0.9660.85 to 1.090.8610.74 to 1.00
  >13 (high)1.1320.94 to 1.360.8730.70 to 1.09
GP characteristics
GP age0.990c0.98 to 1.000.9940.99 to 1.00
Male GP (ref: female)0.9210.81 to 1.051.234a1.04 to 1.46
GP approved specialist1.0540.92 to 1.210.9060.75 to 1.09
List size, per 1000.980a0.96 to 1.000.9940.97 to 1.02
GP practice variables
Percentage of consultations with P-diagnosis
<8.711.00 to 1.0011.00 to, 1.00
8.7–11.31.1871.00 to 1.411.2210.98 to 1.52
>11.3–14.41.305c1.10 to 1.541.1900.96 to 1.48
>14.41.622b1.38 to 1.901.447b1.17 to 1.79
Percentage of long consultations1.0001.00 to 1.000.9980.99 to 1.00
  • a P<0.05.

  • b P<0.001.

  • c P<0.01.

  • RR = relative risk.