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Table 3 Pilot search strategy using Medline (via Ovid), run from start date to present (11/03/2016)

From: The effects of public health policies on population health and health inequalities in European welfare states: protocol for an umbrella review

 

Study design

Intervention: population level

Outcomes: health related

Outcomes: inequalities

Search number

1

2

3

4

Search strategy reference (including deviations)

Terms from McMaster University [31] and SIGN [32] (plus specific umbrella review terminology)

Terms from Bambra et al. [27] (changed positional operator (adj) from 3 to 8 and included additional search term using health adj8 to intervention terminology)

Terms from Cairns et al. [22]

Terms from Bambra et al. [17] (excluding fluoridation and water supply, access to health care, public transport and neighbourhood crime terminology)

Search strategy details in Additional file 2 including deviations from

Lines 1–6 (excluding animal studies—lines 11–13)

Lines 7 to 10

Lines 15 and 16

Lines 17 and 18

Number of hits

355,412

8,821

8,550

1,724

 Target papers

    

 Bambra et al. [17]

✓

✓

✓

✓

 Main et al. [13]

✓

✓

✓

✓

 Oldroyd et al. [35]

✓

✓

✓

✓

  1. The complete search strategy is detailed in Additional file 2 (online)