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Table 1 Distribution of subjects’ characteristics by group (%)

From: Efficacy of a combined contraceptive regimen consisting of condoms and emergency contraception pills

Variables Intervention group (n = 812) Control group (n = 750) χ2 P-value
Education level     
≤Primary 0.1 0.8 8.89 0.064
Secondary 16.4 15.2   
High school 58.3 61.3   
College 14.7 15.2   
University 10.5 7.5   
Husband’s education     
≤Primary 0.3 0.7 4.73 0.317
Secondary 12.0 11.7   
High school 49.4 53.3   
College 20.8 18.1   
University 17.5 16.2   
Occupation     
Doctor 11.2 7.3 14.36 0.006
TSS* 11.8 15.3   
Official 13.3 10.4   
Worker in factory 41.5 41.5   
Others** 22.2 25.5   
Husband’s occupation     
Doctor 2.6 2.3 2.42 0.660
TSS 17.1 15.6   
Official 17.7 15.9   
Worker in factory 39.2 42.0   
Others** 23.4 24.2   
Who live together with     
Children 53.3 55.2 2.05 0.916
Children + parent 18.5 17.6   
Husband only 19.3 17.7   
Others 8.9 9.5   
Bedroom     
With husband 62.1 52.5 17.11 0.001
With children 36.7 44.7   
Others 1.2 2.8   
  1. *TSS: Teacher or scientific staff; ** Others: self-employed staff, service workers and shop employees.
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