Stephen Chua
Biographic Data
| ID | 4640314 |
|---|---|
| NAME | Stephen Chua |
| GIVEN NAMES | Stephen |
| FAMILY NAME | Chua |
| SIGNATURE | CHUA S |
| AFFILIATIONS | Earth Observatory of Singapore, Nanyang Technological University, Singapore |
| ORCID | 0000-0001-6089-6097 |
| VERIFIED | Yes |
| TOTAL WORKS | 7 |
| TOTAL CITATIONS | 12 |
| WORKS AS AUTHOR | 7 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2009 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 2 |
Reconstructing Late-Holocene relative sea level using mangrove sediments in Singapore
Mangrove sediments have served as valuable archives of Late-Holocene relative sea-level (RSL) change. However, challenges such as age uncertainties due to root penetration and bioturbation, as well as elevation uncertainties from surveying, indicative meaning, and sediment compaction remain. Here, we reconstructed Late-Holocene RSL from Singapore using a multi-proxy approach combining litho- (grain size and loss on ignition), bio- (pollen), and c…
Rapid mangrove sediment accretion in late-Holocene paleochannels of Singapore
The evolution of mangroves in response to sea-level rise will partially depend on the availability of accommodation space, which is influenced by the hydrodynamic setting. Here, we reconstruct mangrove evolution in a paleochannel of Sungei Jurong (i.e., Jurong River), Singapore via litho-, bio-, and chrono-stratigraphical analyses. Paleochannels are a commonly-occurring, but under-studied hydrodynamic setting in mangroves. Our results show a stra…
Multi-purpose cash transfers and health among vulnerable Syrian refugees in Jordan
Cash assistance has rapidly expanded in the Syrian refugee response in Jordan and global humanitarian programming, yet little is known about the effect of multipurpose cash transfers (MPC) on health in humanitarian contexts. A prospective cohort study was conducted from May 2018 through July 2019 to evaluate the effectiveness of MPC in improving access to healthcare and health expenditures by Syrian refugees in Jordan. Households receiving MPCs (…
Improving diabetes control for Syrian refugees in Jordan
Combined conditional cash and health education were effective in improving expenditures, health service utilization, medication adherence, blood pressure, and diabetes control. The lower cost health education intervention was similarly effective in improving diabetes control, whereas unconditional cash transfers alone were least effective. Study findings suggest that conditional cash or combined cash and health education are promising strategies …
A new Holocene sea-level record for Singapore
Relative sea-level (RSL) records from far-field regions distal from ice sheets remain poorly understood, particularly in the early Holocene. Here, we extended the Holocene RSL data from Singapore by producing early Holocene sea-level index points (SLIPs) and limiting dates from a new ~40 m sediment core. We merged new and published RSL data to construct a standardized Singapore RSL database consisting of 88 SLIPs and limiting data. In the early H…
Global and regional estimates of COPD prevalence
BACKGROUND: The burden of chronic obstructive pulmonary disease (COPD) across many world regions is high. We aim to estimate COPD prevalence and number of disease cases for the years 1990 and 2010 across world regions based on the best available evidence in publicly accessible scientific databases. METHODS: We conducted a systematic search of Medline, EMBASE and Global Health for original, population-based studies providing spirometry-based preva…
Inclusion of indigenous and ethnic minority populations in intervention trials
BACKGROUND: The Supermarket Healthy Options Project (SHOP) is a large, randomised, controlled trial designed to evaluate the effect of tailored nutrition education and price discounts on supermarket food purchases. A key objective was to recruit approximately equal numbers of Māori, Pacific and non-Māori, non-Pacific shoppers. This paper describes the recruitment strategies used and evaluates their impact on recruitment of Māori, Pacific and non-…
A new Holocene sea-level record for Singapore
Relative sea-level (RSL) records from far-field regions distal from ice sheets remain poorly understood, particularly in the early Holocene. Here, we extended the Holocene RSL data from Singapore by producing early Holocene sea-level index points (SLIPs) and limiting dates from a new ~40 m sediment core. We merged new and published RSL data to construct a standardized Singapore RSL database consisting of 88 SLIPs and limiting data. In the early H…
Inclusion of indigenous and ethnic minority populations in intervention trials
BACKGROUND: The Supermarket Healthy Options Project (SHOP) is a large, randomised, controlled trial designed to evaluate the effect of tailored nutrition education and price discounts on supermarket food purchases. A key objective was to recruit approximately equal numbers of Māori, Pacific and non-Māori, non-Pacific shoppers. This paper describes the recruitment strategies used and evaluates their impact on recruitment of Māori, Pacific and non-…
Inclusion of indigenous and ethnic minority populations in intervention trials
BACKGROUND: The Supermarket Healthy Options Project (SHOP) is a large, randomised, controlled trial designed to evaluate the effect of tailored nutrition education and price discounts on supermarket food purchases. A key objective was to recruit approximately equal numbers of Māori, Pacific and non-Māori, non-Pacific shoppers. This paper describes the recruitment strategies used and evaluates their impact on recruitment of Māori, Pacific and non-…
Global and regional estimates of COPD prevalence
BACKGROUND: The burden of chronic obstructive pulmonary disease (COPD) across many world regions is high. We aim to estimate COPD prevalence and number of disease cases for the years 1990 and 2010 across world regions based on the best available evidence in publicly accessible scientific databases. METHODS: We conducted a systematic search of Medline, EMBASE and Global Health for original, population-based studies providing spirometry-based preva…
Improving diabetes control for Syrian refugees in Jordan
Combined conditional cash and health education were effective in improving expenditures, health service utilization, medication adherence, blood pressure, and diabetes control. The lower cost health education intervention was similarly effective in improving diabetes control, whereas unconditional cash transfers alone were least effective. Study findings suggest that conditional cash or combined cash and health education are promising strategies …
A new Holocene sea-level record for Singapore
Relative sea-level (RSL) records from far-field regions distal from ice sheets remain poorly understood, particularly in the early Holocene. Here, we extended the Holocene RSL data from Singapore by producing early Holocene sea-level index points (SLIPs) and limiting dates from a new ~40 m sediment core. We merged new and published RSL data to construct a standardized Singapore RSL database consisting of 88 SLIPs and limiting data. In the early H…
Multi-purpose cash transfers and health among vulnerable Syrian refugees in Jordan
Cash assistance has rapidly expanded in the Syrian refugee response in Jordan and global humanitarian programming, yet little is known about the effect of multipurpose cash transfers (MPC) on health in humanitarian contexts. A prospective cohort study was conducted from May 2018 through July 2019 to evaluate the effectiveness of MPC in improving access to healthcare and health expenditures by Syrian refugees in Jordan. Households receiving MPCs (…
Reconstructing Late-Holocene relative sea level using mangrove sediments in Singapore
Mangrove sediments have served as valuable archives of Late-Holocene relative sea-level (RSL) change. However, challenges such as age uncertainties due to root penetration and bioturbation, as well as elevation uncertainties from surveying, indicative meaning, and sediment compaction remain. Here, we reconstructed Late-Holocene RSL from Singapore using a multi-proxy approach combining litho- (grain size and loss on ignition), bio- (pollen), and c…
Rapid mangrove sediment accretion in late-Holocene paleochannels of Singapore
The evolution of mangroves in response to sea-level rise will partially depend on the availability of accommodation space, which is influenced by the hydrodynamic setting. Here, we reconstruct mangrove evolution in a paleochannel of Sungei Jurong (i.e., Jurong River), Singapore via litho-, bio-, and chrono-stratigraphical analyses. Paleochannels are a commonly-occurring, but under-studied hydrodynamic setting in mangroves. Our results show a stra…
Environmental health (4 works) · Internal Medicine (4 works) · Medicine (4 works) · Demography (3 works) · Geological formations and processes (3 works) · Geology and Paleoclimatology Research (3 works) · Coastal wetland ecosystem dynamics (2 works) · Cohort (2 works) · Cohort study (2 works) · Geology (2 works)