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. 2020 Mar 2;62:e18. doi: 10.1590/S1678-9946202062018

Table 1. Bivariate analysis of social and educational factors with respect to the dependent variable (immunization to hepatitis B). Sao Paulo, Brazil, 2019.

Social and educational factors What is the result of the immunization test? Total p-value
Non immunized Immunized
n % n % n %
Sex             0.062
Male 33 42.3 42 29.8 75 34.2  
Female 45 57.7 99 70.2 144 65.8  
Marital status             0.298
Not married 28 35.9 41 29.1 69 31.5  
Married/Common-law marriage 50 64.1 100 70.9 150 68.5  
Age group (years)             0.493**
20 to 29 9 11.5 16 11.3 25 11.4  
30 to 39 12 15.4 34 24.1 46 21.0  
40 to 49 31 39.7 48 34.0 79 36.1  
50 to 59 20 25.6 37 26.2 57 26.0  
60 or older 6 7.7 6 4.3 12 5.5  
Ethnicity             0.262**
White 60 76.9 116 82.9 176 80.4  
Mixed (black and white) 6 7.7 4 2.9 10 5.0  
Asian 12 15.4 20 14.3 32 14.6  
Years after graduation             0.189
< 5 7 9.0 12 8.5 19 8.7  
5 to 10 6 7.7 17 12.1 23 10.5  
11 to 20 13 16.7 38 27.0 51 23.3  
21 to 30 39 50.0 49 34.8 88 40.2  
>30 13 16.7 25 17.7 38 17.4  
Years in the public healthcare service             0.172**
<5 7 9.0 27 19.1 34 15.5  
5 to 10 11 14.1 26 18.4 37 16.9  
11 to 20 27 34.6 42 29.8 69 31.5  
21 to 30 32 41.0 43 30.5 75 34.2  
>30 1 1.3 3 2.1 4 1.8  
Workload             0.106
Up to 20 HPW*** 54 69.2 82 58.2 136 62.1  
>20 HPW 24 30.8 59 41.8 83 37.9  
Schooling             0.575**
Undergraduate Course 40 51.3 60 42.6 100 45.7  
Specialist Degree 35 44.9 72 51.1 107 48.9  
Master’s Degree 2 2.6 7 5.0 9 4.1  
PhD 1 1.3 2 1.4 3 1.4  
Smoker             1.000*
No 73 93.6 133 94.3 206 94.1  
Yes 5 6.4 8 5.7 13 5.9  
Use of alcoholic beverages             0.014
No 28 35.9 75 53.2 103 47.0  
Yes 50 64.1 66 46.8 116 53.0  
Sexual orientation             0.289*
Heterosexual 76 97.4 140 99.3 216 98.6  
Homosexual 2 2.6 1 0.7 3 1.4  
Relative who had or has hepatitis B             0.776*
No 74 94.9 132 93.6 206 94.1  
Yes 4 5.1 9 6.4 13 5.9  
Total 78 100.0 141 100.0     -

*Fisher’s exact test; **Maximum likelihood ratio; *** HPW – hours per week.,