PMID- 32272931
OWN - NLM
STAT- MEDLINE
DCOM- 20200427
LR  - 20200427
IS  - 1471-2458 (Electronic)
IS  - 1471-2458 (Linking)
VI  - 20
IP  - 1
DP  - 2020 Apr 10
TI  - Development and validation of the Rapid Positive Mental Health Instrument 
      (R-PMHI) for measuring mental health outcomes in the population.
PG  - 471
LID - 10.1186/s12889-020-08569-w [doi]
LID - 471
AB  - BACKGROUND: The multidimensional Positive Mental Health Instrument (PMHI) has 47 
      items and six subscales. This study aimed to develop and validate a short 
      unidimensional version of the PMHI among Singapore's adult resident population. 
      METHODS: Using pooled data from three earlier studies (n = 1050), PMHI items were 
      reduced by Partial Credit Rasch Model (PCRM) runs in a random split-half sample, 
      while psychometric properties of the resulting measure were tested through 
      confirmatory factor analysis (CFA), item response theory-graded response model 
      and internal consistency reliability in the other half. Its reliability, 
      construct and concurrent validity, agreement with the original scale, floor and 
      ceiling effect, and scale estimates were further investigated in an external 
      representative general population sample (n = 1925). RESULTS: The average age of 
      the participants was around 41 years. Four PCRM re-runs for item selection 
      resulted in a 6-item unidimensional Rapid PMHI (R-PMHI). CFA confirmed the 
      unidimensional structure of the R-PMHI in the internal (RMSEA = 0.075, 
      CFI = 0.985, TLI = 0.974) and external (RMSEA = 0.051, CFI = 0.992, 
      TLI = 0.987) validation samples. In the external validation sample, the R-PMHI 
      met concurrent validity criteria, showing high agreement with the 47-item version 
      with intra-class correlation coefficient of 0.872 (95% CI: 0.861 to 0.882) and 
      low floor and ceiling effects. Weight-adjusted mean (SE, 95% CI) R-PMHI score in 
      the population was 4.86 (0.2, 4.82-4.90). CONCLUSION: The unidimensional 6-item 
      R-PMHI offers brevity over the original multidimensional measure while 
      appropriately representing the positive mental health construct. Prospective 
      studies are needed to assess its responsiveness and test-retest reliability.
FAU - Vaingankar, Janhavi Ajit
AU  - Vaingankar JA
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore. janhavi_vaingankar@imh.com.sg.
FAU - Abdin, Edimansyah
AU  - Abdin E
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
FAU - van Dam, Robertus Martinus
AU  - van Dam RM
AD  - Department of Medicine, Saw Swee Hock School of Public Health, Yong Loo Lin 
      School of Medicine, National University of Singapore and National University 
      Health System, Singapore, Singapore.
FAU - Chong, Siow Ann
AU  - Chong SA
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
FAU - Tan, Linda Wei Lin
AU  - Tan LWL
AD  - Department of Medicine, Saw Swee Hock School of Public Health, Yong Loo Lin 
      School of Medicine, National University of Singapore and National University 
      Health System, Singapore, Singapore.
FAU - Sambasivam, Rajeswari
AU  - Sambasivam R
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
FAU - Seow, Esmond
AU  - Seow E
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
FAU - Chua, Boon Yiang
AU  - Chua BY
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
FAU - Wee, Hwee Lin
AU  - Wee HL
AD  - Department of Medicine, Saw Swee Hock School of Public Health, Yong Loo Lin 
      School of Medicine, National University of Singapore and National University 
      Health System, Singapore, Singapore.
FAU - Lim, Wei Yen
AU  - Lim WY
AD  - Department of Clinical Epidemiology, Tan Tock Seng Hospital, Singapore, 
      Singapore.
FAU - Subramaniam, Mythily
AU  - Subramaniam M
AD  - Research Division, Institute of Mental Health, 10, Buangkok View, Singapore, 
      539747, Singapore.
AD  - Department of Medicine, Saw Swee Hock School of Public Health, Yong Loo Lin 
      School of Medicine, National University of Singapore and National University 
      Health System, Singapore, Singapore.
AD  - Lee Kong Chian School of Medicine, Nanyang Technological University, 50 Nanyang 
      Avenue, Singapore, 639798, Singapore.
LA  - eng
GR  - NMRC/CG12Aug04/National Medical Research Council/
GR  - RF08-01/Temasek Foundation Innovates/
GR  - RF/Ministry of Health -Singapore/
GR  - NA/National University of Singapore/
PT  - Journal Article
DEP - 20200410
PL  - England
TA  - BMC Public Health
JT  - BMC public health
JID - 100968562
SB  - IM
MH  - Adult
MH  - Aged
MH  - Cross-Sectional Studies
MH  - Factor Analysis, Statistical
MH  - Female
MH  - Humans
MH  - Male
MH  - Mental Disorders/*diagnosis/epidemiology
MH  - *Mental Health
MH  - Middle Aged
MH  - *Psychiatric Status Rating Scales
MH  - Psychometrics
MH  - Reproducibility of Results
MH  - Singapore/epidemiology
MH  - *Surveys and Questionnaires
MH  - Young Adult
PMC - PMC7146878
OTO - NOTNLM
OT  - Multi-ethnic
OT  - Partial Credit Rasch model
OT  - Scale agreement
OT  - Split-half sample
COIS- The authors declare that they have no competing interests.
EDAT- 2020/04/11 06:00
MHDA- 2020/04/28 06:00
PMCR- 2020/04/10
CRDT- 2020/04/11 06:00
PHST- 2019/03/27 00:00 [received]
PHST- 2020/03/23 00:00 [accepted]
PHST- 2020/04/11 06:00 [entrez]
PHST- 2020/04/11 06:00 [pubmed]
PHST- 2020/04/28 06:00 [medline]
PHST- 2020/04/10 00:00 [pmc-release]
AID - 10.1186/s12889-020-08569-w [pii]
AID - 8569 [pii]
AID - 10.1186/s12889-020-08569-w [doi]
PST - epublish
SO  - BMC Public Health. 2020 Apr 10;20(1):471. doi: 10.1186/s12889-020-08569-w.