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Table 2 Number of subjects, prevalence and urban/rural prevalence ratio (PR(U/R)) with 95% confidence intervals (CI) of lifetime symptoms of STIs of 12 to 24 years age group by socioeconomic factors

From: Urban–rural and socioeconomic variations in lifetime prevalence of symptoms of sexually transmitted infections among Bangladeshi adolescents

Characteristic No. of subjects Prevalence (%) PR (U/R) 95% CI
Urban (U) Rural (R) All Urban (U) Rural (R)
Age in years       
12-14 717 2551 5.5 5.2 5.6 0.93 (0.65-1.3)
15-19 1114 3542 12.4 10.7 13.0 0.82 (0.68-1.00)
20-24 1139 2923 15.6 14.0 16.3 0.86 (0.73-1.01)
p valuea    <0.001 <0.001 <0.001  
Sex       
Male 1298 3821 14.8 13.2 15.3 0.86 (0.73-1.01)
Female 1672 5195 9.3 8.6 9.5 0.91 (0.76-1.09)
p valueb    <0.001 <0.001 <0.001  
Education       
No schooling 297 1082 12.8 11.4 13.2 0.87 (0.61-1.2)
Primary 898 3661 10.6 10.7 10.6 1.0 (0.81-1.2)
Secondary or higher 1775 4273 12.1 10.4 12.8 0.82 (0.70-0.96)
p valuea    0.024 0.86 0.006  
Marital status       
Single 2050 5789 10.4 9.5 10.7 0.88 (0.76-1.03)
Currently married 897 3162 13.9 12.8 14.2 0.90 (0.74-1.1)
Separated/Divorced/Widowed 23 65 13.6 26.1 9.2 2.8 (1.01-7.9)
p valuea    <0.001 0.001 0.0013  
Occupation       
Student 1137 3189 9.0 7.7 9.4 0.81 (0.64-1.02)
Household work 905 3410 11.8 11.5 11.8 0.97 (0.79-1.2)
Income-generating Work 805 2035 15.2 13.3 16.0 0.83 (0.68-1.02)
Unemployed/others 123 382 12.7 13.8 12.3 1.1 (0.67-1.9)
p valuea    <0.001 <0.001 <0.001  
Wealth index       
Poorest 165 1604 9.5 7.3 9.7 0.75 (0.43-1.3)
2 271 1866 11.8 11.1 12.0 0.93 (0.65-1.3)
3 412 2156 13.0 15.3 12.6 1.2 (0.94-1.6)
4 637 2048 13.5 13.7 13.4 1.0 (0.81-1.3)
Rich 1485 1342 9.7 8.3 11.3 0.74 (0.59-0.92)
p valuea    <0.001 <0.001 0.0098  
All 2970 9016 11.6 10.6 11.9 0.89 (0.79-1.00)
  1. Abbreviation: STI sexually transmitted infection.
  2. ap value is the test of heterogeneity; bp value for test of differences in the prevalence by sex.