The study group was a consecutive sample of 172
individuals with a severe physical disability who visited
a special training center in Stockholm, Sweden,
at one or more occasions during 1 year. The defi nition
of severe physical disability was a permanent
need of a walking aid or wheelchair, and need of
assistance with activities of daily living for more than
20 h/week.
Before sending the questionnaire, the staff at the
training centre estimated the respondents ’cognitive
abilities. The estimation was based on the facility
staff ’ s experience from the respondents ’earlier training
sessions at the facility. Thus 35 persons were
excluded because of cognitive dysfunctions, leaving
137 persons (69 men and 68 women) to participate
in the study. The age ranged from 25 to 64 years,
with a mean age of 46 years. the answering alternatives “ yes ” , “ no ”and in two
items also the alternative “ don ’ t know ” . This part
had a median unweighted kappa value of 0.60. There
were also fi ve questions where the respondents
answered in free text. The second part of the questionnaire
(questions 7a – 7j) contained 10 statements
about different environmental factors, where the
respondent rated the degree of importance on a
graded semantic differential scale ranging from
1 “ not at all important ”to 7 “ very important ” ,
with an extra alternative for answering “ don ’ t know ”
or “ not applicable ” . This part of the questionnaire
had a median weighted kappa value of 0.65. The
questions in the questionnaire and the kappa coef-
fi cient for each question are showed in Table I.
The questionnaires were marked with a code and
sent out by mail. The time for returning the questionnaire
was 3 weeks. A reminder including the questionnaire
was sent to the non-respondents with
another 3-week answering period.
The study group was a consecutive sample of 172
individuals with a severe physical disability who visited
a special training center in Stockholm, Sweden,
at one or more occasions during 1 year. The defi nition
of severe physical disability was a permanent
need of a walking aid or wheelchair, and need of
assistance with activities of daily living for more than
20 h/week.
Before sending the questionnaire, the staff at the
training centre estimated the respondents ’cognitive
abilities. The estimation was based on the facility
staff ’ s experience from the respondents ’earlier training
sessions at the facility. Thus 35 persons were
excluded because of cognitive dysfunctions, leaving
137 persons (69 men and 68 women) to participate
in the study. The age ranged from 25 to 64 years,
with a mean age of 46 years. the answering alternatives “ yes ” , “ no ”and in two
items also the alternative “ don ’ t know ” . This part
had a median unweighted kappa value of 0.60. There
were also fi ve questions where the respondents
answered in free text. The second part of the questionnaire
(questions 7a – 7j) contained 10 statements
about different environmental factors, where the
respondent rated the degree of importance on a
graded semantic differential scale ranging from
1 “ not at all important ”to 7 “ very important ” ,
with an extra alternative for answering “ don ’ t know ”
or “ not applicable ” . This part of the questionnaire
had a median weighted kappa value of 0.65. The
questions in the questionnaire and the kappa coef-
fi cient for each question are showed in Table I.
The questionnaires were marked with a code and
sent out by mail. The time for returning the questionnaire
was 3 weeks. A reminder including the questionnaire
was sent to the non-respondents with
another 3-week answering period.
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