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Chapter 364We described the number and type of consultations with a GP and mental health nurse practitioner (MHNP), and unique types of medication prescription categories. For comparison, we also described these for the MID group as a whole and their match group without ID, including people both with and without MH problems. Each person’s medication prescription categories were recorded and divided into three selected categories: 1) Total medication use; 2) Psychotropics, including antipsychotics (N05A), anxiolytics (N05B), hypnotics and sedatives (N05C), antidepressants (N06A), psychostimulants (N06B), anti-dementia drugs (N06D), and drugs used in addictive disorders (N07B); and 3) Anti-epileptic medication (N03A), which may be prescribed for specific MH problems. It was not possible to link separate consultations and prescriptions to specific ICPC codes. Statistical analysisGroups were stratified by age groups and sex. Student-T tests, Chi-squared tests, or Mann-Whitney U tests were used to test statistical significance. Logistic regression was used to examine the association with the presence of MID on outcomes, calculating odds ratios (OR) with 95% confidence intervals (95%CI) adjusted for age, sex, and years registered in the database. A p-value < .05 was considered statistically significant. To ensure clinical relevance, only variables with a number of ≥ 30 people were included. All analyses were conducted using SPSS version 25.0. ResultsDemographics In the NIVEL-PCD, 11,887 persons with MID were identified, with a mean age of 37.8 years, of whom 61.7% male, compared to respectively 48.4 years and 48.8% male in the group without ID (N=1,464,196). Of the people with an MID, 80.3% had no ICPC code P85 registration (Table 3.1). Period prevalence of MH problemsOf the people with MID, 48.9% had an MH problem over the four-year period, either an MH complaint or an MH disorder, compared to 30.4% in the group without ID. They were significantly younger (37.1 vs 50.6 years) and had a Katrien Pouls sHL.indd 64 24-06-2024 16:26
