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Table 3 Obtained result of the exploratory factor analysis*

From: Self-care behaviors related to air pollution protection questionnaire: a psychometric analysis

NoItems)1(Perceived Severity)2(Cues to Action)3(Perceived Benefit)4(Perceived Susceptibility)5(Perceived Self-efficacy)6(Perceived Barrier)7(Behavior
(4) Perceived Susceptibility
1If I don’t use of face mask, during air pollution, I wouldn’t have any bad side effects.   0.786   
2I would have chances for serious health consequences as a result of air pollution.   0.819   
3In my age, the probability of air pollution complications is very low.   0.801   
(1) Perceived Severity
1Air pollution is a serious health problem.0.605      
2Complications due to air pollution may negatively affect my mental health.0.799      
3Complications due to air pollution may increase my educational problems.0.749      
4Air pollution can increase the cost of healthcare.0.786      
5Air pollution may lead to cancer.0.733      
(6) Perceived Barrier
1My body is strong; air pollution does not effect on me.     0.581 
2Air pollution is not a serious problem in my life.     0.703 
3Using the face mask attracts attention.     0.749 
4Using the face mask is costly.     0.701 
(3) Perceived Benefit
 Air pollution prevention behaviors …       
1Causes peace of mind.  0.783    
2Decreases the need to refer to health care centers.  0.844    
3Improves health.  0.825    
4Reduces health costs.  0.779    
(5) Perceived Self-efficacy
1I am confident that, outdoors, I can use face mask respirators.    0.803  
2I am confident that I can stay indoors in emergency cases of air pollution.    0.830  
3I am confident that I can stay indoors at peak hours of air pollution.    0.749  
(2) Cues to Action
1How many of your friends are using the face mask in order to prevent of air pollution side-effects. 0.813     
2Health care workers encourage me to the use of face mask. 0.798     
3If I use face mask, my family will confirm it. 0.831     
4If I use face mask, my friends will confirm it. 0.817     
(7) Behavior
1Staying indoors in emergency times of air pollution.      0.833
2Staying indoors in the peak hours of traffic emission.      0.760
3Using face mask respirators outdoors.      0.716
Variance (%)22.1711.149.557.345.865.494.81
Total Variance66.39      
Cronbach’s Alpha Values0.790.830.660.850.740.860.75
  1. * Factors loadings of less than 0.4 are not shown in the Table 3