Table 1

Demographic characteristics of survey sample by country

GB
Base=1931
France
Base=1000
Spain
Base=1000
Italy
Base=1000
Poland
Base=1000
Germany
Base=1000
All
Base=6931
Pearson's χ2
p Value
Per cent of male49% (950)49% (486)49% (494)49% (485)48% (480)49% (489)49% (3385)0.58; df=5; p=NS
Age group (years)
 18–2412% (232)15% (146)13% (126)12% (118)18% (178)13% (130)13% (930)58.1; df=20; p<0.001
 25–3416% (313)21% (212)26% (264)23% (232)24% (239)19% (190)21% (1450)
 35–4419% (365)23% (231)25% (247)25% (253)20% (198)27% (267)23% (1561)
 45–5417% (330)22% (222)20% (200)21% (208)24% (236)23% (230)21% (1426)
 55–6415% (288)19% (189)16% (163)19% (189)15% (149)18% (183)17% (1161)
 65+21% (404)N/MN/MN/MN/MN/M6% (404)NA
Experience of medical research (including 65 plus year olds)11% (211)8% (76)10% (95)9% (94)8% (75)4% (40)8.5% (591)45.0; df=5; p<0.001
Experience of medical research (excluding 65 plus year olds)10% (156/1528)8% (76)10% (95)9% (94)8% (75)4% (40)8% (536/6528)36.9; df=5; p<0.001
  • GB, Great Britain; NA, not available; N/M, not measured; NS, not significant.