Table 3

QHES scores overtime and by funding sources

VariableLevelMean QHES score (SD)
Study block1986–199167.8 (19.7)
1992–199778.1 (14.2)
1998–200383.6 (20.0)
2004–200989.5 (15.3)
2010–201587.1 (22.9)
Study fundingNon-profit80.4 (18.6)
Not declared78,2 (21.1)
Industry83.6 (14.5)
Industry and non-profit82.8 (12.2)