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Table 2 Univariate and multivariate analyses of risk factors of HBsAg sero-positivity, HBV exposure among mother participants in rural Nanoro, Burkina Faso, 2018

From: The changing epidemiology of hepatitis B and C infections in Nanoro, rural Burkina Faso: a random sampling survey

 n%HBsAg positivity (n = 15)Exposure (HBsAg or HBcAb positive) a (n = 214)
Univariate analysisbMultivariate analysiscUnivariate analysisbMultivariate analysisd
n(+)OR(95%CI)p valueaOR(95%CI)p valuen(+)OR(95%CI)p valueaOR(95%CI)p value
Age group (years)[18–29]8033.371.0     711.0  1.0  
[29–39]10845.060.60.2–1.90.397940.90.3–2.10.7230.90.3–2.30.788
[39–60]5221.720.40.1–2.10.288   492.10.5–8.00.2932.10.5–8.90.304
OccupationFarmer22493.3131.0    2011.0    
others166.722.30.5–11.30.298   130.50.1–1.90.300   
Partner occupationFarmer21388.7121.0  1.0  1891.0     
Civil servant62.50    50.60.1–5.70.684  
others218.832.80.7–10.80.1373.70.9–15.20.074202.50.3–19.80.373   
Schooling statusUnschooled19581.3111.0  1731.0     
Primary239.621.60.3–7.70.561   222.83.6–21.80.3262.70.4–21.70.333
Secondary229.221.70.3–8.10.522   190.80.2–2.90.7430.80.2–3.20.791
Birth placeHealth center7932.951.0   681.0     
Home birth10543.860.90.3–3.10.861  931.30.5–3.00.613   
Unknown5623.341.10.3–4.40.851   532.90.8–10.80.121   
PregnancyNo21790.4131.0  1951.0    
Yes239.621.50.3–7.10.612   190.50.2–1.70.294   
Genital mutilationNo14058.3111.0  1.00.1–1.30.1331241.0     
Yes10041.740.50.2–1.60.2320.4  901.20.5–2.70.726   
Marital statusMarried23899.2141.0    2131.0    
Unmarried20.8116.00.9–269.50.054   10.10.0–1.90.134   
Birth assistanceHealth Skilled7932.951.0    681.0    
Traditional skilled8334.650.90.3–3.40.936   741.30.5–3.40.552   
Family member145.80   121.00.2–4.90.971   
other6426.751.30.3–4.50.730   602.40.7–8.00.146   
Know MTCTNo19280.091.0    1701.0    
Yes4820.062.91.0–8.60.054   441.40.5–4.30.535   
Heard about hepatitisNo11849.251.0  1.0  1051.0    
Yes12250.8102.00.7–6.10.2101.3  1091.00.5–2.30.928   
  1. In multivariate analysis, covariates were selected by stepwise procedure (method of increasing and decreasing based on p-value threshold: both of probability to enter and probability to leave are 0.3)
  2. a hepatitis B virus exposure (HBV): Sero-positivity to hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb), MTCT, mother to child transmission;
  3. b χ2– Test or Fisher Exact Test
  4. c Logistic regression analysis with the stepwise method: R2 = 0.0582, model p-value < 0.04, n = 240
  5. d Logistic regression analysis with the stepwise method: R2 = 0.0129, model p-value < 0.03, n = 240
  6. OR, Odds Ratio, aOR, adjusted Odds Ratio, CI, Confident Interval