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Table 5 Results of the heteroskedastic conditional logit model

From: Public preferences regarding data linkage for research: a discrete choice experiment comparing Scotland and Sweden

Attribute and level

Estimate coefficient (standard error)

Pooled data (Scotland and Sweden)

Interaction termsb

Researchers:

University researchers

0.168** (0.05)

0.001 (0.07)

University /health service staff

0.312*** (0.05)

0.080 (0.08)

University/health service staff/government

0.337*** (0.05)

0.012 (0.08)

University/health service staff/government/commercial

Base levela

Data to be linked:

Primary care linked to other health records

0.706*** (0.05)

0.014 (0.11)

Health records linked to social care/education records

0.403*** (0.05)

0.118 (0.09)

Health records linked to social care/education/employment/benefits records

0.171*** (0.05)

0.148 (0.08)

Health records linked to social care/education/ employment/benefits records/private sector

Base levela

Purpose:

Direct benefits for the people whose information is used

0.253*** (0.03)

0c

Research conducted if it will have general public benefits

0.430*** (0.04)

0c

Research for any reason

Base levela

Profit-making:

Nobody profits

0.171*** (0.05)

0.086 (0.07)

Profit shared with the public

0.397*** (0.05)

0.057 (0.08)

Profit invested into public services

0.506*** (0.05)

0.074 (0.09)

Profit goes to those doing the research

Base levela

Oversight:

Overseen by independent body

0.420*** (0.05)

−0.148* (0.07)

Overseen by relevant public service

0.457*** (0.05)

−0.249*** (0.07)

Overseen by Government

0.289*** (0.05)

−0.238*** (0.07)

Overseen by the organisation undertaking the research

Base levela

Constant

0.620*** (0.08)

0.076 (0.11)

Scale term (if the respondent is Scottish)

0.242

(0.12)

Number of observations

35,604

  1. *p < 0.05; **p < 0.01; ***p < 0.001
  2. a Each attribute used categorical levels, which were dummy coded relative to a base level (Table 1) that was deemed to be the ‘worst’
  3. b Interaction terms indicate the effect of being Scottish on the estimated coefficients
  4. c The estimated model included an interaction term in which the attribute ‘purpose’ was restricted to zero