Background
Considering the lack of specific measurement tools to study elders' perceptions in outdoor spaces, the study objectives were to derive and validate a questionnaire that assesses the essential features of elderly-friendly urban spaces.
Methods
We used closed-ended questions in two phases. In the first qualitative phase, a preliminary questionnaire was defined using grounded theory. In the second phase, the psychometric properties of the elderly-friendly urban spaces were examined through validity and reliability indices.
Results
The findings of the first phase led to a preliminary item extraction and questionnaire with 15 major domains based on three dimensions: place function, place preferences, and process. In the second phase, a 48-item questionnaire, based on three dimensions, in addition to personal characteristics, was introduced.
Conclusions
The Elderly-Friendly Urban Spaces Questionnaire (EFUSQ) can be adopted in various communities in understanding of how to create elder-friendly urban spaces to promote active aging.

Figure 1
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On 26 Oct, 2019
On 22 Sep, 2019
Received 22 Sep, 2019
Invitations sent on 19 Sep, 2019
On 19 Sep, 2019
On 18 Sep, 2019
On 18 Sep, 2019
Posted 08 Jul, 2019
On 09 Sep, 2019
Received 07 Sep, 2019
Received 16 Jul, 2019
On 04 Jul, 2019
On 03 Jul, 2019
Invitations sent on 03 Jul, 2019
On 03 Jul, 2019
On 02 Jul, 2019
On 02 Jul, 2019
On 21 Jun, 2019
On 26 Oct, 2019
On 22 Sep, 2019
Received 22 Sep, 2019
Invitations sent on 19 Sep, 2019
On 19 Sep, 2019
On 18 Sep, 2019
On 18 Sep, 2019
Posted 08 Jul, 2019
On 09 Sep, 2019
Received 07 Sep, 2019
Received 16 Jul, 2019
On 04 Jul, 2019
On 03 Jul, 2019
Invitations sent on 03 Jul, 2019
On 03 Jul, 2019
On 02 Jul, 2019
On 02 Jul, 2019
On 21 Jun, 2019
Background
Considering the lack of specific measurement tools to study elders' perceptions in outdoor spaces, the study objectives were to derive and validate a questionnaire that assesses the essential features of elderly-friendly urban spaces.
Methods
We used closed-ended questions in two phases. In the first qualitative phase, a preliminary questionnaire was defined using grounded theory. In the second phase, the psychometric properties of the elderly-friendly urban spaces were examined through validity and reliability indices.
Results
The findings of the first phase led to a preliminary item extraction and questionnaire with 15 major domains based on three dimensions: place function, place preferences, and process. In the second phase, a 48-item questionnaire, based on three dimensions, in addition to personal characteristics, was introduced.
Conclusions
The Elderly-Friendly Urban Spaces Questionnaire (EFUSQ) can be adopted in various communities in understanding of how to create elder-friendly urban spaces to promote active aging.

Figure 1
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