Skip to main content

Table 2 Missing data, means and end effects for NFAS-4 and NFAS-5 items (N = 3325)

From: A randomised comparison of a four- and a five-point scale version of the Norwegian Function Assessment Scale

   Missing % Domain/item scores (mean) Floor %a Ceiling %a
   NFAS-4 NFAS-5 NFAS-4 NFAS-5 NFAS-4 NFAS-5 NFAS-4 NFAS-5
Walking/standing     1.25 1.37 61.1 62.1 0.2 0.2
Standing 1 3.0 2.6 1.19 1.29 84.9 83.2 0.3 0.2
Walking less than a kilometre on flat ground 2 4.6 3.5 1.19 1.30 87.5 84.3** 1.6 1.6
Walking than a kilometre on flat ground 3 3.8 2.8 1.32 1.44 80.6 79.1 4.3 3.2
Walking on different surfaces 4 3.6 3.3 1.24 1.35 81.0 80.1 0.8 0.7
Going up and down stairs 5 2.5 2.1 1.33 1.48 75.0 73.6 1.0 0.3*
Going shopping for your groceries 6 3.2 2.4 1.18 1.30 86.2 82.5** 0.6 1.0
Putting on your shoes and socks 7 1.9 1.8 1.21 1.36 81.6 78.1* 0.3 0.1
Holding/picking up things     1.14 1.23 67.5 67.5 0.1 0.1
Picking up a coin from a table with your fingers 8 2.5 1.9 1.10 1.17 91.6 89.5* 0.1 0.2
Holding and turning a steering wheel 9 5.3 4.9 1.06 1.13 96.3 93.3*** 0.9 1.6
Driving a car 10 6.1 4.9 1.14 1.24 93.0 90.3** 3.2 4.1
Preparing food 11 2.5 2.0 1.10 1.16 92.3 89.9* 0.8 0.7
Writing 12 2.2 1.7 1.11 1.18 90.9 88.9 0.2 0.4
Performing everyday tasks on your own 13 2.2 2.3 1.15 1.24 87.9 84.5** 0.4 0.4
Engaging in your leisure activities 14 3.7 3.0 1.30 1.42 78.8 76.7 2.1 1.9
Putting on and taking off your clothes 15 2.2 1.9 1.13 1.20 88.7 86.1* 0.3 0.2
Lifting/carrying     1.23 1.36 64.6 64.7 0.3 0.1
Lifting an empty soda bottle crate from the floor 16 2.6 2.0 1.15 1.23 90.5 87.6** 1.7 1.3
Carrying shopping bags in your hands 17 2.4 1.8 1.23 1.31 82.1 82.1 1.1 0.6
Carrying a little sack/backpack on your shoulders or back 18 2.8 2.3 1.20 1.33 85.8 81.7** 1.8 1.7
Pushing and pulling with your arms 19 3.0 1.9 1.31 1.43 76.0 75.8 1.1 1.1
Cleaning your house 20 3.0 2.1 1.33 1.50 75.2 72.8 1.6 1.6
Washing your clothes 21 3.3 2.9 1.16 1.29 88.6 83.9*** 1.3 1.6
Sitting     1.10 1.19 87.0 82.2 0.1 0.1
Sitting on a kitchen chair 22 2.5 1.8 1.08 1.16 93.2 89.7*** 0.2 0.2
Riding as a passenger in a car 23 3.5 2.6 1.06 1.12 95.2 91.6*** 0.2 0.2
Riding as a passenger on public transport 24 4.5 3.2 1.15 1.25 90.8 86.9** 2.1 1.9
Managing     1.25 1.43 53.2 46.3 0.1 0.0
Staying alert and being able to concentrate 25 2.7 2.2 1.26 1.40 77.3 72.7** 0.2 0.4
Working in groups 26 9.0 6.2 1.18 1.33 86.4 80.6*** 1.4 1.3
Guiding others in their activities 27 9.3 7.1 1.19 1.34 86.7 80.6*** 2.0 1.8
Managing everyday responsibility 28 3.3 2.9 1.15 1.30 87.6 80.0*** 0.2 0.5
Managing everyday stress and strains 29 3.3 2.5 1.33 1.53 72.5 66.1*** 0.4 0.7
Managing to take criticism 30 4.3 2.9 1.34 1.54 72.0 63.6*** 0.9 0.5
Managing to control your anger and aggression 31 2.2 1.9 1.29 1.49 74.4 65.2*** 0.5 0.3
Cooperation/communication     1.18 1.32 58.7 49.8 0.0 0.1
Remembering things 32 2.5 1.9 1.42 1.67 63.5 55.3*** 0.5 0.3
Understanding spoken messages 33 2.7 2.1 1.21 1.39 81.6 71.2*** 0.3 0.1
Understanding written messages 34 2.5 1.9 1.07 1.16 94.0 88.4*** 0.3 0.2
Speaking 35 2.3 1.9 1.07 1.17 93.7 87.6*** 0.0 0.1
Participating in a conversation with many people 36 2.6 2.1 1.19 1.35 84.3 77.4*** 0.7 0.5
Using the telephone 37 1.9 1.5 1.07 1.15 94.2 90.9*** 0.2 0.4
Senses     1.05 1.09 94.7 91.3 0.0 0.0
Watching television 38 2.0 1.6 1.05 1.10 96.1 93.0*** 0.0 0.1
Listening to the radio 39 2.0 1.9 1.04 1.09 96.8 94.0*** 0.3 0.1
Total score     1.20 1.31 33.1 30.6 0.0 0.0
  1. aEnd effects for the NFAS-4 and NFAS-5 are compared, * p < 0.05; ** p < 0.01; *** p < 0.001