Considering the variation in the score distributions and measurement characteristics of the K10 scale15 across countries, country-specific normative data should allow for the valid interpretation of scores. Therefore, to facilitate the interpretation of K10 (and K6) data from European populations and to...
For the GHQ-12 we used the 0-1-2-3 scoring method with a four-point response scale: ‘not at all’ (for questions 1, 3, 4, 7, 8 and 12: ‘better than usual’) (0), ‘same as usual’ (1), ‘rather more than usual’ (2), ‘much more than usual’ (3) [24]. The ...