Joint spatio-temporal modelling of adverse pregnancy outcomes sharing common risk factors at sub-county level in Kenya, 2016–2019

Odhiambo, Julius Nyerere; Sartorius, Benn

doi:10.1186/s12889-021-12210-9

BMC Public Health

2021

DOI: 10.1186/s12889-021-12210-9

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Joint spatio-temporal modelling of adverse pregnancy outcomes sharing common risk factors at sub-county level in Kenya, 2016–2019

Julius Nyerere Odhiambo

¹

,

Benn Sartorius

²

Abstract: Background Adverse pregnancy outcomes jointly account for a high proportion of mortality and morbidity among pregnant women and their infants. Furthermore, the burden attributed to adverse pregnancy outcomes remains high and inadequately characterised due to the intricate interplay of its etiology and shared set of important risk factors. This study sought to quantify and map the underlying risk of multiple adverse pregnancy outcomes in Kenya at sub-county level using a shared component space-t… Show more

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Cited by 14 publications

(28 citation statements)

References 62 publications

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“…There have been very few investigations of the national spatial variations in LBW burden [ 14 – 18 ] or finer spatial scales below national levels [ 15 – 18 ]. In Kenya, LBW rates significantly varied sub-nationally [ 19 ] and similar findings have been reported in Ethiopia [ 20 ], Namibia [ 21 ], India [ 14 , 22 ], Indonesia [ 23 ] and in developed nations such the USA [ 16 – 18 ].…”

Section: Introductionsupporting

confidence: 53%

Spatial heterogeneity of low-birthweight deliveries on the Kenyan coast

Musau

¹

,

Mwakio

²

,

Amadi

³

et al. 2023

BMC Pregnancy Childbirth

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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“…There have been very few investigations of the national spatial variations in LBW burden [ 14 – 18 ] or finer spatial scales below national levels [ 15 – 18 ]. In Kenya, LBW rates significantly varied sub-nationally [ 19 ] and similar findings have been reported in Ethiopia [ 20 ], Namibia [ 21 ], India [ 14 , 22 ], Indonesia [ 23 ] and in developed nations such the USA [ 16 – 18 ].…”

Section: Introductionsupporting

confidence: 53%

Spatial heterogeneity of low-birthweight deliveries on the Kenyan coast

Musau

¹

,

Mwakio

²

,

Amadi

³

et al. 2023

BMC Pregnancy Childbirth

Get access via publisher Add to dashboard Cite

Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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“…The Bayesian estimation approach was used in more than three-quarters (n = 35, 81.40%) of the included studies [ 32 , 33 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 73 , 79 ]. For Bayesian inference, the MCMC estimation approach was utilised in 27 studies [ 32 , 33 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 ,…”

Section: Resultsmentioning

confidence: 99%

“…In joint spatial temporal models, the structured and unstructured spatial random effects were considered to account for the spatial dependence and independent effects, respectively. In more than two-thirds (n = 26, 72.2%) of the studies, prior CAR was considered for the spatially structured random effect [ 32 , 33 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 43 , 44 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 55 , 58 , 60 , 61 , 63 , 64 , 65 ], and all assigned Identical and Independent Distribution (IID) for the unstructured spatial random effects. Out of 12 joint spatiotemporal studies, seven (58.23%) considered prior first-order random walk to account for the temporal dependence in the model [ 32 , 33 , 35 , 41 , 53 , 58 , 65 ].…”

Section: Resultsmentioning

confidence: 99%

“…In more than two-thirds (n = 26, 72.2%) of the studies, prior CAR was considered for the spatially structured random effect [ 32 , 33 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 43 , 44 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 55 , 58 , 60 , 61 , 63 , 64 , 65 ], and all assigned Identical and Independent Distribution (IID) for the unstructured spatial random effects. Out of 12 joint spatiotemporal studies, seven (58.23%) considered prior first-order random walk to account for the temporal dependence in the model [ 32 , 33 , 35 , 41 , 53 , 58 , 65 ]. The simple exchangeable hierarchical structure was taken into consideration for the spatiotemporal interaction terms in five of the joint spatial and temporal studies [ 32 , 33 , 41 , 53 , 65 ].…”

Section: Resultsmentioning

confidence: 99%

“…Out of 12 joint spatiotemporal studies, seven (58.23%) considered prior first-order random walk to account for the temporal dependence in the model [ 32 , 33 , 35 , 41 , 53 , 58 , 65 ]. The simple exchangeable hierarchical structure was taken into consideration for the spatiotemporal interaction terms in five of the joint spatial and temporal studies [ 32 , 33 , 41 , 53 , 65 ].…”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

A Systematic Review of Joint Spatial and Spatiotemporal Models in Health Research

Tesema

¹

,

Tessema

²

,

Héritier

³

et al. 2023

IJERPH

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Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.

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