UMIN-CTR Clinical Trial

Public title

Nationwide survey on changes in residents' health by energy-saving retrofit of living space in Japan: Smart Wellness Housing survey (SWH survey)

Acronym

Nationwide survey on changes in residents' health by energy-saving retrofit of living space in Japan: Smart Wellness Housing survey (SWH survey)

Scientific Title

Nationwide survey on changes in residents' health by energy-saving retrofit of living space in Japan: Smart Wellness Housing survey (SWH survey)

Scientific Title:Acronym

Nationwide survey on changes in residents' health by energy-saving retrofit of living space in Japan: Smart Wellness Housing survey (SWH survey)

Region

Japan

Condition

Hypertensive diseases
Arteriosclerosis
Ischaemic heart diseases
Cerebrovascular diseases
Respiratory diseases
Locomotive syndrome
Sleep disorders
urological diseases
Mood [affective] disorders

Classification by specialty

Medicine in general	Cardiology	Geriatrics
Chest surgery	Pediatrics	Dermatology
Psychiatry	Oto-rhino-laryngology	Orthopedics
Urology	Emergency medicine

Classification by malignancy

Others

Genomic information

NO

Narrative objectives1

To evaluate the effect of insulation retrofit on residents' health all over Japan.

Basic objectives2

Efficacy

Basic objectives -Others

Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable

Primary outcomes

Home blood pressure

Key secondary outcomes

(1)Indoor temperature and humidity
(2)Physical activity
(3)Result of medical examination
(4)Self-reported symptoms and diseases
(5)Parent-reported symptoms and diseases of children
(6)Overactive bladder symptom score; OABSS
(7)SF-8
(8)General Health Questionnaire -12
(9)Pittsburgh Sleep Quality Index
(10)Work Functioning Impairment Scale (WFun)
(11)CASBEE-Health_Checklist of housing

Study type

Interventional

Basic design

Parallel

Randomization

Non-randomized

Randomization unit

Blinding

Open -no one is blinded

Control

No treatment

Stratification

Dynamic allocation

Institution consideration

Blocking

Concealment

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Insulation retrofit of houses to a level that meets either A or S standards of "Promotion of Long life high-quality housing ."

Interventions/Control_2

Control:
without insulation retrofit

Interventions/Control_3

Interventions/Control_4

Interventions/Control_5

Interventions/Control_6

Interventions/Control_7

Interventions/Control_8

Interventions/Control_9

Interventions/Control_10

Age-lower limit

20

years-old

<=

Age-upper limit

Not applicable

Gender

Male and Female

Key inclusion criteria

Male and female aged 20 and above
However, include parent-reported symptoms and diseases of children under 20 years old

Key exclusion criteria

(1)Participants who declined measurement
(2)Participants whose houses meet S standards before insulation retrofit
(3)Participants whose number of measurement of indoor temperature, home blood pressure or physical activity were extremely small
(4)Participants with an unavailable data from questionnaires or diaries
(5)Participants whose response to questionnaires and diaries were mismatching

Target sample size

6000

Name of lead principal investigator

1st name	Shuzo
Middle name
Last name	Murakami

Organization

Institute for Building Environment and Energy Conservation

Division name

President

Zip code

1020083

Address

Zenkyoren bldg.Kojimachikan, 3-5-1, Kojimachi, Chiyoda-ku, Tokyo, Japan

TEL

03-3222-6681

Email

murakami@ibec.or.jp

Name of contact person

1st name	Hirofumi
Middle name
Last name	Ida

Organization

Japan Sustainable Building Consortium

Division name

Research and Development department

Zip code

1020083

Address

Zenkyoren bldg.Kojimachikan, 3-5-1, Kojimachi, Chiyoda-ku, Tokyo, Japan

TEL

03-3222-6391

Homepage URL

http://swhsurvey.jsbc.or.jp/

Email

swhsurvey@jsbc.or.jp

Institute

Japan Sustainable Building Consortium

Institute

Department

Personal name

Organization

Ministry of Land, Infrastructure, Transport and Tourism

Organization

Division

Category of Funding Organization

Government offices of other countries

Nationality of Funding Organization

Japan

Co-sponsor

Name of secondary funder(s)

Organization

Hattori clinic ethics review board

Address

Yoyogi TH&C Bld. 5F, 4-26-11 Sendagaya, Shibuya-ku, Tokyo, Japan

Tel

03-6804-2227

Email

cns_jimu@triad-j.co.jp

Secondary IDs

NO

Study ID_1

Org. issuing International ID_1

Study ID_2

Org. issuing International ID_2

IND to MHLW

Institutions

Date of disclosure of the study information

2017

Year

12

Month

27

Day

URL releasing protocol

Publication of results

Partially published

URL related to results and publications

http://www.mlit.go.jp/report/press/house07_hh_000164.html

Number of participants that the trial has enrolled

Results

Results date posted

Results Delayed

Results Delay Reason

Date of the first journal publication of results

Baseline Characteristics

Participant flow

Adverse events

Outcome measures

Plan to share IPD

IPD sharing Plan description

Recruitment status

No longer recruiting

Date of protocol fixation

2014

Year

10

Month

14

Day

Date of IRB

2014

Year

11

Month

06

Day

Anticipated trial start date

2014

Year

11

Month

11

Day

Last follow-up date

2019

Year

03

Month

31

Day

Date of closure to data entry

2020

Year

08

Month

31

Day

Date trial data considered complete

2020

Year

12

Month

31

Day

Date analysis concluded

2021

Year

03

Month

31

Day

Other related information

Registered date

2017

Year

12

Month

27

Day

Last modified on

2021

Year

04

Month

22

Day

Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000034946