highly significantP<0.001
The association between parity and knowledge of SP was highly significant ( X 2=14.1, df=4, P<0.001). 3.6 Knowledge of SP among pregnant women and various educational backgrounds Knowledge about SP correlated with education level: Illiterate pregnant women (no primary education), 37 (8%); primary education, 67 (15%), and 187 (42%) had secondary education.