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Table 1 Comparison of items in the K10, K6 and K5

From: Reliability, validity, and clinical utility of a culturally modified Kessler scale (MK-K5) in the Aboriginal and Torres Strait Islander population

K10 K6 K5
In the past 4 weeks how often have you felt… In the past 4 weeks how often have you felt… In the last 4 weeks how often have you felt…
1 Tired out for no good reason   
2 Nervous 1 Nervous 1 Nervous
3 So nervous nothing could calm you down   
4 Hopeless 2 Hopeless 2 Without hope
5 Restless or fidgety 3 Restless or fidgety 3 Restless or jumpy
6 So restless you could not sit still   
7 Depressed 4 So depressed that nothing could cheer you up  
8 That everything was an effort 5 That everything was an effort 4 That everything was an effort
9 So sad that nothing could cheer you up   5 So sad that nothing could cheer you up
10 Worthless 6 Worthless