Table 3

Frequencies of utilisation (users-only) – results of zero-truncated negative-binomial regression models – adjusted for age, sex, school education, alcohol consumption and physical activity
Parameter Number of physician visits Number of hospital days (in-/outpatient) Number of rehabilitation days Number of physical therapies Number of alternative physician visits Number of pharmaceuticals used Number of work absence days
(n=1975) (n=577) (n=171) (n=889) (n=218) (n=2172) (n=796)
exp(estimate) exp(estimate) exp(estimate) exp(estimate) exp(estimate) exp(estimate) exp(estimate)
[95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI]
Smoking status Current smoker 1.28 *** [1.08–1.52] 1.28 [0.74–2.19] 0.81 [0.59–1.11] 0.93 [0.75–1.15] 0.87 [0.43–1.77] 1.01 [0.88–1.16] 1.44 ** [1.03–2.01]
Occasional smoker 1.00 [0.68–1.45] 0.83 [0.25–2.73] 1.18 [0.64–2.16] 0.84 [0.53–1.32] 0.36 [0.08–1.76] 1.33 * [1.00–1.76] 0.84 [0.45–1.55]
Former smoker 1.17 *** [1.05–1.31] 0.89 [0.61–1.31] 0.91 [0.76–1.09] 1.14 * [0.99–1.31] 1.35 [0.86–2.11] 1.25 *** [1.14–1.39] 1.20 [0.93–1.54]
Never smoker 1.00 1.00 1.00 1.00 1.00 1.00 1.00

*** significant at the 1% level/** significant at the 5% level/* trend with p≤0.10.

Wacker et al.

Wacker et al. BMC Health Services Research 2013 13:278   doi:10.1186/1472-6963-13-278

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