Table 2.
Consultation rate ratios by type of healthcare contact, fully adjusted
| Consultation rate ratios (CRR) | Adjusted* | ||
|---|---|---|---|
| CRR | 95% CI | P value | |
| Primary care | |||
| Any GP contact | |||
| 10-> 5 years prior to index date | 1.10 | 1.03–1.17 | 0.003 |
| 5-> 1 years prior to index date | 1.20 | 1.13–1.27 | ≤ .00001 |
| ≤ 1 year prior to index date | 1.73 | 1.64–1.83 | ≤ .00001 |
| GP Face-to-face contacts | |||
| 10-> 5 years prior to index date | 1.08 | 1.01–1.14 | 0.021 |
| 5-> 1 years prior to index date | 1.20 | 1.13–1.28 | ≤ .00001 |
| ≤ 1 year prior to index date | 1.67 | 1.58–1.76 | ≤ .00001 |
| GP telephone/email contacts | |||
| 10-> 5 years prior to index date | 1.13 | 1.04–1.23 | 0.004 |
| 5-> 1 years prior to index date | 1.19 | 1.10–1.30 | ≤ .00001 |
| ≤ 1 year prior to index date | 1.80 | 1.66–1.96 | ≤ .00001 |
| Physiotherapist | |||
| 10-> 5 years prior to index date | 1.10 | 0.81–1.49 | 0.560 |
| 5-> 1 years prior to index date | 0.84 | 0.61–1.15 | 0.279 |
| ≤ 1 year prior to index date | 0.59 | 0.41–0.85 | 0.005 |
| Psychologist | |||
| 10-> 5 years prior to index date | 1.37 | 0.87–2.18 | 0.178 |
| 5-> 1 years prior to index date | 2.69 | 1.58–4.56 | ≤ .00001 |
| ≤ 1 year prior to index date | 4.63 | 2.36–9.06 | ≤ .00001 |
| Private practice medical specialist | |||
| 10-> 5 years prior to index date | 1.15 | 0.99–1.33 | 0.069 |
| 5-> 1 years prior to index date | 1.08 | 0.95–1.23 | 0.240 |
| ≤ 1 year prior to index date | 1.10 | 0.93–1.31 | 0.277 |
| Secondary care | |||
| Somatic inpatient admissions | |||
| 10-> 5 years prior to index date | 0.98 | 0.85–1.13 | 0.797 |
| 5-> 1 years prior to index date | 1.11 | 0.94–1.31 | 0.217 |
| ≤ 1 year prior to index date | 1.66 | 1.36–2.04 | ≤ .00001 |
| Somatic outpatient contacts | |||
| 10-> 5 years prior to index date | 1.08 | 1.01–1.16 | 0.028 |
| 5-> 1 years prior to index date | 1.17 | 1.09–1.26 | ≤ .00001 |
| ≤ 1 year prior to index date | 2.01 | 1.85–2.19 | ≤ .00001 |
| Somatic emergency admissions | |||
| 10-> 5 years prior to index date | 1.13 | 1.00–1.28 | 0.045 |
| 5-> 1 years prior to index date | 1.34 | 1.18–1.52 | ≤ .00001 |
| ≤ 1 year prior to index date | 1.89 | 1.55–2.30 | ≤ .00001 |
| Psychiatric inpatient admissions | |||
| 10-> 5 years prior to index date | 0.65 | 0.31–1.36 | 0.255 |
| 5-> 1 years prior to index date | 2.15 | 1.09–4.24 | 0.028 |
| ≤ 1 year prior to index date | 8.31 | 3.35–20.60 | ≤ .00001 |
| Psychiatric emergency admissions | |||
| 10-> 5 years prior to index date | 0.84 | 0.42–1.68 | 0.618 |
| 5-> 1 years prior to index date | 1.74 | 0.86–3.56 | 0.125 |
| ≤ 1 year prior to index date | 8.69 | 4.29–17.62 | ≤ .00001 |
GP general practitioner, CRR contact rate ratio, CI confidence interval
*Adjusted for age, sex, highest attained educational level at age 40 (or at time of diagnosis, whichever came first) and civil status at index date. CRRs are presented in time intervals prior to the date of dementia diagnosis for cases and compared to the control group of individuals free of dementia at index date. Unadjusted estimates are presented in Supplementary Table S2