SF12 dataset without missing responses

Description

This data set contains the responses of 493 oncological patients to 12 ordinal polytomous items that measure the health-related quality of life, according to the Italian release of Short-Form 12 version 2 (SF-12v2); patient's age is also provided.

Usage

data(SF12)

Format

A dataframe with 493 observations on 12 items and one covariate:

Y1

general health

Y2

limits in moderate activities

Y3

limits in climbing several flights of stairs

Y4

accomplished less than he/she would like, as a result of his/her physical health

Y5

limited in the kind of work or daily activities, as a result of his/her physical health

Y6

accomplished less than he/she would like, as a result of his/her emotional health

Y7

did work less carefully than usual, as a result of his/her emotional health

Y8

how much did pain interfere with normal work

Y9

how much of the time have he/she felt calm and peaceful

Y10

how much of the time did he/she have a lot of energy

Y11

how much of the time have he/she felt downhearted and depressed

Y12

how much of the time physical health or emotional health interfered with social activities

age

age of the respondent

Details

All items have 5 response categories, with the exception of items Y2 and Y3 having 3 response categories: the minimum value 0 correspond to a low level of quality of life, whereas the maximum value corresponds to a high level of quality of life. All records are complete.

References

Ware, J., Kosinski, M., Turner-Bowker, D. and Gandek, B. (2002), SF-12v2. How to score version 2 of the SF-12 health survey, QualityMetric Incorporated: Lincoln.

Examples

 data(SF12_nomiss)
 dim(SF12_nomiss)
 ## maybe str(SF12_nomiss)
 str(SF12_nomiss)
 

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> library(MLCIRTwithin)
Loading required package: MASS
Loading required package: limSolve
Loading required package: MultiLCIRT

Attaching package: 'MLCIRTwithin'

The following object is masked from 'package:MultiLCIRT':

    inv_glob

> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/MLCIRTwithin/SF12_nomiss.Rd_%03d_medium.png", width=480, height=480)
> ### Name: SF12_nomiss
> ### Title: SF12 dataset without missing responses
> ### Aliases: SF12_nomiss
> ### Keywords: datasets health-related quality of life
> 
> ### ** Examples
> 
>  data(SF12_nomiss)
>  dim(SF12_nomiss)
[1] 493  13
>  ## maybe str(SF12_nomiss)
>  str(SF12_nomiss)
'data.frame':	493 obs. of  13 variables:
 $ Y1 : num  1 0 1 3 1 1 1 1 2 2 ...
 $ Y2 : num  0 0 1 2 1 0 0 2 1 1 ...
 $ Y3 : num  1 1 1 2 2 1 1 2 1 2 ...
 $ Y4 : num  1 1 2 4 2 3 1 3 2 3 ...
 $ Y5 : num  0 2 1 4 2 2 2 2 2 3 ...
 $ Y6 : num  2 1 0 4 2 2 2 2 3 3 ...
 $ Y7 : num  2 2 0 4 2 1 1 2 3 3 ...
 $ Y8 : num  2 1 2 3 2 2 2 1 3 3 ...
 $ Y9 : num  1 0 1 4 2 1 2 3 3 3 ...
 $ Y10: num  1 2 1 4 2 2 1 2 2 2 ...
 $ Y11: num  1 1 1 4 2 1 2 1 4 3 ...
 $ Y12: num  0 1 1 4 2 3 1 2 3 3 ...
 $ age: num  74.9 84.5 77.4 80.6 81.7 ...
>  
> 
> 
> 
> 
> dev.off()
null device 
          1 
>