Table 1 Study data: sources, variables, selections and incomplete information
From: Striking variations in consultation rates with general practice reveal family influence
Source | Study population | Selection | |
|---|---|---|---|
One year registration of all face-to-face contacts of individuals in electronic medical records | 160 926 individuals; 42 397 families | Families with children 2–21 yrs (siblings of 0–2 yrs or >21 yrs within families were excluded) | |
One-page questionnaire sent at the patient's home | 160 926 individuals; 42 397 families | Families with children 2–21 yrs (siblings of 0–2 yrs or >21 yrs within families were excluded) | |
Extended health interview at the patient's home | 5 313 individuals aggregated to families | One member of families with children 2–21 yrs | |
Variable view | Source | Categorisation | Incomplete information on family level |
Generation | One-page questionnaire | Parent Child | none |
Age | One-page questionnaire | Excluded: families with siblings > 21 yrs (%) | none |
Sex | One-page questionnaire | Male Female | none |
Family health status | registration in medical record | Consultations for minor ailments: yes/no | none |
| Â | Â | Consultations for chronic illness: yes/no | none |
| Â | One-page questionnaire | Self-reported health status ranging from 1 (very good) to 5 (very bad) | 10 366 |
Indicators for shared circumstances | |||
Insurance type | One-page questionnaire | Social insurance Private insurance | 10 176 |
Educational level parents | One-page questionnaire | Low/moderate: primary and secondary education High: post secondary and tertiary education | 12162 |
Number of children | One-page questionnaire | Minimum: one parent and one sibling | None |
Mother's employment | One-page questionnaire | Paid work yes/no | 3626 |
Indicators for socialisation | |||
Cultural background parents | One-page questionnaire | Both western Heterogeneous Both non-western | 10301 |
Parents' employment in the health care sector | One-page questionnaire | All levels of employment in the health care sector: yes/no | None |
Attitude towards management of minor ailments | Health interview | Sumscore on Nijmegen Expectation Questionnaire, range 12–60 | 2 899 |
Trust in general practitioners' care | Health interview | One-item question asking for a mark; range 1–10 | 2608 |
Self-care activities | Health interview | Conducting self-care in case of minor ailments: yes/no | 106 |