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Table 6 Results of the multivariate regression analysis of the impact of physician dispensing (PD) on physician services

From: Physician drug dispensing in Switzerland: association on health care expenditures and utilization

Target variable

Number of GP visits

Number of specialist visits

Probability of a physician visit

Physician expenditures if > 0

Specification

Glm, log link negative binom. fam.

Glm, log link negative binom. fam.

Probit

Glm, log link gamma family

PD

1.05 (0.008)***

1.065 (0.01)***

0.444 (0.014)***

1.02 (0.087)*

Age

1.002 (0)***

0.997 (0)***

−0.004 (0)***

1.003 (0)***

Gender = m

0.955 (0.006)***

0.826 (0.008)***

−0.12 (0.013)***

0.95 (0.008)***

PPO-contract

1.043 (0.012)***

1.001 (0.017)

0.072 (0.025)**

0.989 (0.014)

Telemedicine contract

1 (0.011)

1.055 (0.015)***

0.065 (0.02)**

1.022 (0.013)

HMO contract

1.032 (0.008)***

0.988 (0.011)

0.114 (0.016)***

0.981 (0.009)*

High deductible

0.882 (0.008)***

0.864 (0.01)***

−0.14 (0.015)***

0.921 (0.009)***

Cost in previous year (log)

1.06 (0.002)***

1.153 (0.003)***

0.649 (0.053)***

1.447 (0.022)***

Nursing home stay

1.334 (0.016)***

-

0.044 (0.003)***

1.068 (0.002)***

Outpatient hospital vistis 1-5

0.889 (0.016)***

1.559 (0.026)***

0.339 (0.063)***

0.777 (0.018)***

Outpatient hospital vistis >5

1.313 (0.01)***

1.365 (0.015)***

0.406 (0.021)***

1.313 (0.012)***

Inpatient stay in hospital

1.303 (0.021)***

1.259 (0.029)***

0.314 (0.055)***

1.238 (0.026)***

Prescriptions psychiatrists

0.409 (0.03)***

4.687 (0.362)***

0.238 (0.048)***

3.488 (0.091)***

Prescriptions cardio-/angiologists

0.278 (0.006)***

4.445 (0.091)***

−0.017 (0.102)

2.815 (0.221)***

Prescriptions gynaeologists

0.405 (0.01)***

10.156 (0.266)***

0.012 (0.029)

1.707 (0.033)***

Prescriptions other specialists

0.347 (0.004)***

5.582 (0.072)***

0.211 (0.02)***

2.25 (0.027)***

Agricultural municipalities

0.821 (0.198)

1.45 (0.554)

0.153 (0.411)

1.06 (0.309)

Industrial and tertiary municipalities

0.921 (0.221)

1.533 (0.583)

0.114 (0.075)

1.011 (0.048)

Rural commuting municipalities

0.903 (0.217)

1.579 (0.601)

0.071 (0.077)

1.054 (0.051)

Touristic municipalities

0.742 (0.189)

1.49 (0.587)

0.094 (0.154)

1.123 (0.117)

Affluent municipalities

0.959 (0.229)

1.948 (0.739)

0.228 (0.067)***

1.221 (0.052)***

Periurban municipalities

0.893 (0.213)

1.645 (0.624)

0.062 (0.066)

1.091 (0.046)*

Suburban municipalities

0.918 (0.219)

1.733 (0.657)

0.138 (0.064)*

1.123 (0.046)**

Urban centers

1.011 (0.242)

1.942 (0.736)

0.34 (0.064)***

1.249 (0.052)***

22 pharmaceutical cost groups

all coefficients strongly positive

all coefficients strongly positive

all coefficients strongly positive

all coefficients strongly positive

  1. Target variable per patient, first 6 months of year 2013. Exponential of coefficients [exp(̂β)] displayed in columns 1,2,4
  2. Standard errors calculated by the delta method [ŝ exp(β) = exp(β)  ŝβ], displayed in parentheses
  3. Significance levels: ***p < 0.001, **p < 0.01, *p < 0.05
  4. Source: Claims data from Helsana insurance company, own calculations