Skip to main content

Table 2 DASS Item-level summary statistics

From: A new instrument for measuring anticoagulation-related quality of life: development and preliminary validation

Item 1 2 3 4 5 6 7 Mean s.d. Miss
1a 134 43 12 14 11 4 2 1.84 1.37 3
1b 184 17 7 4 4 4 0 1.36 0.99 3
1c 154 33 7 12 6 4 4 1.69 1.36 4
1d 167 14 7 5 6 8 13 1.84 1.78 14
1e 116 61 22 8 5 4 4 1.88 1.31 2
2a 75 54 35 15 25 12 4 2.60 1.66 0
2b 160 13 11 6 5 9 16 1.97 1.89 8
2c 75 39 37 14 14 12 29 3.02 2.12 1
2d 89 67 27 19 10 3 5 2.20 1.43 3
3a 123 62 15 10 4 3 3 1.78 1.22 1
3b 86 78 25 18 8 4 1 2.09 1.25 0
3c 135 54 15 8 6 0 2 1.65 1.09 0
3d 108 80 14 13 5 0 0 1.76 0.97 3
3e 128 57 15 9 5 3 3 1.76 1.24 3
3f 171 33 7 5 1 2 1 1.37 0.90 4
3g 109 78 15 10 2 3 3 1.81 1.17 3
3h 87 42 25 14 5 17 30 2.90 2.19 6
4a 102 42 32 16 12 8 8 2.32 1.67 3
4b 62 55 33 32 20 13 5 2.78 1.66 4
4d 70 66 33 20 13 10 8 2.55 1.64 3
4f 29 27 43 24 19 37 41 4.15 2.08 8
4g 106 63 20 18 6 4 3 2.00 1.34 4
4h 84 38 33 37 19 4 5 2.55 1.60 4
4i 132 53 12 14 2 5 2 1.75 1.23 6
4j 99 35 36 25 8 4 13 2.42 1.73 6
  1. See additional file 1 for item descriptions. Items 3h, 4a, 4b, 4f, 4h and 4j have been reverse coded. Items 4c and 4e were deleted. The first 7 columns give the frequencies of each of the 7 response categories (after reverse-coding, as appropriate). Column 10 gives the number (out of 261 subjects with responses to at least 1 DASS item) of subjects with a missing response to the item in question.