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Table 2 Respondents who had heard of ECPs and their source of information (n = 500)

From: Awareness and attitudes towards emergency contraceptive pills among young people in the entertainment places, Vientiane City, Lao PDR

Variables Male Female Total Chi-square P-value Effect size
  n = 100 % n = 400 % N = 500 %    
Have Heard of ECPs          
 Yes 24 24.0 88 22.0 112 22.4 0.184 0.668 0.019
 No 76 76.0 312 78.0 388 77.6    
Sources of information about ECPs (n = 122)  
  Male Female Total    
  N = 24 % N = 88 % N = 112 %    
 From friends          
 Yes 14 58.3 42 47.7 56 50 1.859 0.357 0.123
 No 10 41.7 46 52.3 56 50    
 From health personnel          
 Yes 5 20.8 22 25.0 27 24.1 0.178 0.672 0.040
 No 19 79.2 66 75.0 85 75.9    
 From media ( Radio, TV, magazine, etc.)          
 Yes 5 20.8 22 25.0 27 24.1 0.178 0.672 0.040
 No 19 79.2 66 75.0 85 75.9    
 From mother or sister          
 Yes 2 8.3 22 25.0 24 21.4 3.11 0.078 0.166
 No 22 91.7 66 75.0 88 78.6    
 From pharmacy          
 Yes 3 12.5 8 9.1 11 9.8 .247 0.700 0.047
 No 21 87.5 80 90.9 101 90.2    
  1. Note: .10 - small effect size.
  2. .30 - medium effect size.
  3. .50 - large effect size.