Table 3. Results of gamma-log GLMs for cost outcomes evaluated from the hospital perspective: Total, ambulatory, and ED costs.
Total monthly hospital costs | Monthly ambulatory costs | Monthly ED costs | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
RR | Std. Err. | 95% CI | P value | RR | Std. Err. | 95% CI | P value | RR | Std. Err. | 95% CI | P value | |
Group (ref = CM group) | 0.86 | 0.17 | 0.59–1.27 | 0.45 | 0.94 | 0.19 | 0.63–1.39 | 0.75 | 0.84 | 0.12 | 0.63–1.13 | 0.26 |
Dying during follow-up (ref. = alive at the end of follow-up) | 3.69*** | 1.30 | 1.85–7.35 | <0.001 | 1.08 | 0.35 | 0.57–2.06 | 0.81 | 2.33** | 0.66 | 1.34–4.07 | <0.003 |
Age | 1.02*** | 0.00 | 1.01–1.04 | <0.001 | 1.01 | 0.00 | 1.00–1.02 | 0.23 | 1.02*** | 0.00 | 1.01–1.03 | <0.001 |
Swiss citizenship (ref. = no Swiss citizenship) | 1.73* | 0.37 | 1.13–2.64 | 0.01 | 1.31 | 0.26 | 0.89–1.93 | 0.18 | 1.81*** | 0.30 | 1.31–2.51 | <0.001 |
Male gender | 0.83 | 0.16 | 0.57–1.21 | 0.33 | 0.91 | 0.15 | 0.65–1.27 | 0.58 | 0.73* | 0.11 | 0.55–0.99 | 0.04 |
Social difficulty | 1.44 | 0.29 | 0.97–2.15 | 0.07 | 1.58* | 0.30 | 1.09–2.29 | 0.02 | 1.69*** | 0.27 | 1.24–2.31 | <0.001 |
Somatic condition | 0.85 | 0.20 | 0.54–1.36 | 0.51 | 0.88 | 0.22 | 0.54–1.46 | 0.63 | 1.2 | 0.20 | 0.85–1.69 | 0.3 |
Mental health problem | 1.45 | 0.28 | 0.99–2.11 | 0.06 | 1.47* | 0.27 | 1.03–2.11 | 0.03 | 1.12 | 0.16 | 0.83–1.51 | 0.45 |
Risky behavior | 0.72 | 0.16 | 0.46–1.12 | 0.14 | 0.66 | 0.15 | 0.43–1.02 | 0.06 | 0.88 | 0.15 | 0.62–1.24 | 0.46 |
Not having primary care physician | 1.09 | 0.31 | 0.61–1.93 | 0.78 | 1.23 | 0.38 | 0.67–2.28 | 0.51 | 1.04 | 0.25 | 0.65–1.68 | 0.86 |
AIC = 18 | BIC = −819.049 | AIC = 15.12 | BIC = −938.90 | AIC = 13.51 | BIC = −1069.22 | |||||||
Observations | 250 | 250 | 250 |
Notes: The 3 main outcomes of hospital costs were analyzed. RR: relative risk (exponentiated coefficients); Std. Err.: standard error; CI: confidence interval;
AIC: Akaike information criterion; BIC: Bayesian information criterion.
* p < 0.05.
** p < 0.01.
*** p < 0.001