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Table 4 Desire to know about ECPs among those who never heard about it (n = 388) with yes answers

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 = 76 % n = 312 % N = 388 %    
Method usage 45 59.2 193 61.8 239 61.6 0.180 0.671 0.021
Effectiveness 45 59.2 219 70.2 264 68.0 3.389 0.066 0.093
Side effects 41 53.9 168 53.8 209 53.9 0.0003 0.987 0.001
Frequency of usage 8 10.5 31 9.9 39 10.1 0.0236 0.878 0.007
Where it can be purchased 4 5.2 10 3.2 14 3.6 3.372 0.066 0.097
Price 3 3.9 14 4.5 17 4.4 0.0425 0.837 0.010
  1. Note: .10 - small effect size.
  2. .30 - medium effect size.
  3. .50 - large effect size.