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The Majority of the Migrant Factory Workers of the Light Industry in Shenzhen, China May Be Physically Inactive.

Liu J, Cheng Y, Lau JT, Wu AM, Tse VW, Zhou S - PLoS ONE (2015)

Bottom Line: Of all participants, 69.1% showed "a very low level of physical activity" (VLLPA), defined as ≤30 minutes of weekly moderate/vigorous physical activity, which was significantly associated with female sex (Odds ratio [OR]=1.65), lower education level (OR=0.10 to 0.33, primary education as the reference group) and married status (OR=0.63, single status as the reference group).Adjusted for these factors, perceived social support (Adjusted OR=0.87) was negatively associated with VLLPA, while job stress due to workload, which was significant in the univariate analysis (OR=0.98), became non-significant (p=0.184).Significant interaction between perceived social support and perceived job stress onto VLLPA was found (p=0.044), implying that the negative association between job stress and VLLPA, which might reflect a potential response to cope with stress by performing exercises, was stronger among those with weaker social support.

View Article: PubMed Central - PubMed

Affiliation: Research Centre for Healthcare Management, School of Economics and Management, Tsinghua University, Beijing, China.

ABSTRACT
Physical inactivity is a strong risk factor of non-communicable diseases (NCD). In China, there are 250 million migrant factory workers, who are susceptible to physical inactivity and hence NCD because of work nature and setting. With random stratified sampling, 807 such workers of the light industry were recruited in Shenzhen, China and completed a self-administered questionnaire with informed consent. The prevalence of inadequate physical activity (defined according to the World Health Organization's recommendation on level of moderate/vigorous physical activity) was 95.4%. Of all participants, 69.1% showed "a very low level of physical activity" (VLLPA), defined as ≤30 minutes of weekly moderate/vigorous physical activity, which was significantly associated with female sex (Odds ratio [OR]=1.65), lower education level (OR=0.10 to 0.33, primary education as the reference group) and married status (OR=0.63, single status as the reference group). Adjusted for these factors, perceived social support (Adjusted OR=0.87) was negatively associated with VLLPA, while job stress due to workload, which was significant in the univariate analysis (OR=0.98), became non-significant (p=0.184). Significant interaction between perceived social support and perceived job stress onto VLLPA was found (p=0.044), implying that the negative association between job stress and VLLPA, which might reflect a potential response to cope with stress by performing exercises, was stronger among those with weaker social support. The extremely low level of physical activity rings an alarm, as it implies high risk of NCD, and as there are no existing programs promoting physical activity in this group. Interventions need to take into account social support, potential coping to job stress, and structural factors of the factory setting, while involving factories' management.

No MeSH data available.


Interaction effects between perceived social support and job stress due to workload on probability of having a very low level of physical activity.Solid line represents high social support, dotted line represents low social support. Two lines crossing over each other indicates that job stress due to workload interacted significantly with perceived social support (p = 0.044). Very low level of physical activity indicates having had ≤30 minutes of moderate/vigorous physical activity in the last week.
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pone.0131734.g001: Interaction effects between perceived social support and job stress due to workload on probability of having a very low level of physical activity.Solid line represents high social support, dotted line represents low social support. Two lines crossing over each other indicates that job stress due to workload interacted significantly with perceived social support (p = 0.044). Very low level of physical activity indicates having had ≤30 minutes of moderate/vigorous physical activity in the last week.

Mentions: Adjusted for significant background variables, perceived job stress due to workload interacted significantly with perceived social support (p = 0.044; Table 4) to determine VLLPA. The results implied that stronger perceived job stress due to workload was negatively associated with VLLPA. The strength of association (facilitation effect) was however, stronger among those with weaker perceived social support than among those with stronger social support (Fig 1). Perceived support hence moderated the relationship between perceived job stress due to workload and VLLPA.


The Majority of the Migrant Factory Workers of the Light Industry in Shenzhen, China May Be Physically Inactive.

Liu J, Cheng Y, Lau JT, Wu AM, Tse VW, Zhou S - PLoS ONE (2015)

Interaction effects between perceived social support and job stress due to workload on probability of having a very low level of physical activity.Solid line represents high social support, dotted line represents low social support. Two lines crossing over each other indicates that job stress due to workload interacted significantly with perceived social support (p = 0.044). Very low level of physical activity indicates having had ≤30 minutes of moderate/vigorous physical activity in the last week.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4526536&req=5

pone.0131734.g001: Interaction effects between perceived social support and job stress due to workload on probability of having a very low level of physical activity.Solid line represents high social support, dotted line represents low social support. Two lines crossing over each other indicates that job stress due to workload interacted significantly with perceived social support (p = 0.044). Very low level of physical activity indicates having had ≤30 minutes of moderate/vigorous physical activity in the last week.
Mentions: Adjusted for significant background variables, perceived job stress due to workload interacted significantly with perceived social support (p = 0.044; Table 4) to determine VLLPA. The results implied that stronger perceived job stress due to workload was negatively associated with VLLPA. The strength of association (facilitation effect) was however, stronger among those with weaker perceived social support than among those with stronger social support (Fig 1). Perceived support hence moderated the relationship between perceived job stress due to workload and VLLPA.

Bottom Line: Of all participants, 69.1% showed "a very low level of physical activity" (VLLPA), defined as ≤30 minutes of weekly moderate/vigorous physical activity, which was significantly associated with female sex (Odds ratio [OR]=1.65), lower education level (OR=0.10 to 0.33, primary education as the reference group) and married status (OR=0.63, single status as the reference group).Adjusted for these factors, perceived social support (Adjusted OR=0.87) was negatively associated with VLLPA, while job stress due to workload, which was significant in the univariate analysis (OR=0.98), became non-significant (p=0.184).Significant interaction between perceived social support and perceived job stress onto VLLPA was found (p=0.044), implying that the negative association between job stress and VLLPA, which might reflect a potential response to cope with stress by performing exercises, was stronger among those with weaker social support.

View Article: PubMed Central - PubMed

Affiliation: Research Centre for Healthcare Management, School of Economics and Management, Tsinghua University, Beijing, China.

ABSTRACT
Physical inactivity is a strong risk factor of non-communicable diseases (NCD). In China, there are 250 million migrant factory workers, who are susceptible to physical inactivity and hence NCD because of work nature and setting. With random stratified sampling, 807 such workers of the light industry were recruited in Shenzhen, China and completed a self-administered questionnaire with informed consent. The prevalence of inadequate physical activity (defined according to the World Health Organization's recommendation on level of moderate/vigorous physical activity) was 95.4%. Of all participants, 69.1% showed "a very low level of physical activity" (VLLPA), defined as ≤30 minutes of weekly moderate/vigorous physical activity, which was significantly associated with female sex (Odds ratio [OR]=1.65), lower education level (OR=0.10 to 0.33, primary education as the reference group) and married status (OR=0.63, single status as the reference group). Adjusted for these factors, perceived social support (Adjusted OR=0.87) was negatively associated with VLLPA, while job stress due to workload, which was significant in the univariate analysis (OR=0.98), became non-significant (p=0.184). Significant interaction between perceived social support and perceived job stress onto VLLPA was found (p=0.044), implying that the negative association between job stress and VLLPA, which might reflect a potential response to cope with stress by performing exercises, was stronger among those with weaker social support. The extremely low level of physical activity rings an alarm, as it implies high risk of NCD, and as there are no existing programs promoting physical activity in this group. Interventions need to take into account social support, potential coping to job stress, and structural factors of the factory setting, while involving factories' management.

No MeSH data available.