Skip to main content

Table 1 Sociodemographic characteristics of HPV positive patients and controls

From: Genetic variant in CXCL12 gene raises susceptibility to HPV infection and squamous intraepithelial lesions development: a case-control study

Variable HPV non-infected HPV infected p value* OR CI 95% p value
n (%) n (%)
Knowledge about HPV      0.024    
 No 36 (19.35) 43 (32.82)   1.00 Reference  
 Have ever heard 106 (57.00) 62 (47.32)   0.490 0.258–0.842 0.010
 Yes 44 (23.65) 26 (19.86)   0.495 0.257–0.954 0.036
Age (years)      0.001    
 ≤ 24 14 (7.21) 30 (18.63)   1.00 Reference  
 25–34 50 (25.77) 52 (32.29)   0.483 0.231–1.021 0.057
 35–44 50 (25.77) 37 (23.00)   0.345 0.161–0.741 0.006
 45–54 54 (27.85) 23 (14.28)   0.199 0.088–0.443 0.001
 ≥ 55 26 (13.40) 19 (11.80)   0.341 0.143–0.812 0.015
Ethnicity      0.540    
 Caucasian 100 (54.06) 58 (44.61)   1.00   
 Brown 61 (33.00) 60 (42.60)   1.696 1.048–2.744 0.031
 Black 24 (13.00) 11 (8.50)   0.790 0.361–1.730 0.556
 Asian 0 (0.00) 1 (0.80)  
Monthly incomea      0.040    
 < 1 minimum wage 43 (24.57) 45 (37.81)   1.00 Reference  
 1–3 minimum wages 115 (65.71) 65 (54.62)   0.540 0.322–0.906 0.020
 3–5 minimum wages 13 (7.42) 9 (7.57)   0.662 0.257–1.706 0.393
 ≥ 5 minimum wages 4 (2.27) 0 (0.00)   
Smoking status      0.001    
 No 163 (84.90) 100 (69.90)   1.00 Reference  
 Yes 29 (15.10) 43 (30.10)   2.417 1.419–4.117 0.001
Educational Stageb      0.488    
 Until incomplete fundamental education 58 (31.40) 44 (33.90)   1.00 reference  
 Complete fundamental education 17 (9.20) 18 (13.80)   1.396 0.646–3.014 0.396
 Incomplete secondary education 29 (15.70) 16 (12.30)   0.727 0.352–1.502 0.390
 Complete secondary education 63 (34.10) 42 (32.30)   0.879 0.505–1.528 0.647
 Incomplete higher education 6 (3.20) 6 (4.60)   1.318 0.398–4.436 0.651
 Complete higher education 12 (6.40) 4 (3.10)   0.439 0.133–1.455 0.178
Marital status      0.002    
 Single 19 (9.80) 39 (24.80)   1.00 Reference  
 Married / Civil partner 143 (73.70) 91 (58.00)   0.310 0.169–0.569 0.001
 Divorced 23 (11.90) 19 (12.10)   0.402 0.178–0.912 0.029
 Widowed 9 (4.60) 8 (5.10)   0.433 0.144–1.300 0.136
  1. aBased on Brazilian minimum wage (approximately U$ 265.00). bBased on Brazilian educational system. *Analysis by two-sided Chi-square (Χ2) test and p < 0.05 set as significance level (SPSS Inc., Chicago, Illinois, USA). Some categories did not complete the total of patients due to lack of data. Significant p values are presented in bold