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Table 2 Baseline characteristics’ distribution according to HPV infection stage

From: Persistence, clearance and reinfection regarding six high risk human papillomavirus types in Colombian women: a follow-up study

Baseline characteristics Single HPV infection n = (%) Multiple HPV infection n = (%) Total p =
Age (y) (n = 219) <30 10 (31.25 ) 22 (68.75) 32 0.54
30-50 31 (22.96) 104 (77.04) 135
>50 11 (21.15 ) 41 (78.85) 52
Origin (n = 219) Bogota 21 (30.43) 48 (69.57) 69 0.115
Other cities 31 (20.67) 119 (79.33) 150
No. of family members living together (n = 219) <=4 35 (24.65 ) 107 (75.35) 142 0.670
>4 17 (22.08 ) 60 (77.92) 77
*Average monthly income (n = 219) Minimum 30 (20.98) 113 (79.02) 143 0.243
>minimum 22 (28.95) 54 (71.05) 76
Ethnicity (n = 219) Indigenous 0 1 (100) 1 1
Mestizo 52 (24.19) 163 (75.81) 215
Afro-descendant 0 3 (100) 3
Marital status (n = 219) Married 2 (14.29) 12 (85.71) 14 0.849
Divorced 1 (33.33) 2 (66.67) 3
Single 1 (20) 4 (80) 5
Living with partner 48 (24.49) 148 (75.51) 196
Widow 0 1 (100) 1
Healthcare scheme affiliation (n = 219) Contributory 6 (35.3) 11 (64.70) 17 0.244
Subsidised 46 (22.77) 156 (77.23) 202
Age on first intercourse (n = 219) <18 22 (23.66) 71 (76.34) 93 0.979
≥18 30 (23.81) 96 (76.19) 126
Lifetime sexual partners (n = 219) 1 25 (24.51) 77 (75.49) 102 0.804
>1 27 (23.08) 90 (76.92) 117
Contraceptive method (n = 219) No method used 25 (27.78) 65 (72.22) 90 0.470
Surgery 14 (21.21) 52 (78.79) 66
Hormonal 3 (13.04) 20 (86.96) 23
Barrier 10 (25) 30 (75) 40
Number of pregnancies (n = 219) None 2 (50) 2 (50) 4 0.07
1-2 25 (28.09) 64 (71.91) 89
3-4 15 (16.13) 78 (83.87) 93
>4 10 (30.3) 23 (69.7) 33
Abortions (n = 158) None 23 (28.05) 59 (71.95) 82 0.481
1 11 (20) 44(80) 55
> = 2 4 (19.05) 17 (80.95) 21
STD (n = 210) No 37 (22.16) 130 (77.84) 167 0.112
Yes 15 (34.88) 28 (65.12) 43
Colposcopy results (n = 202) L-SIL 14 (29.17) 34 (70.83) 48 0.819
H-SIL 0 1 (100) 1
Negative 37 (24.18) 116 (75.82) 153
Cytological findings (n = 219) ASC-US 1 (11.11) 8 (88.89) 9 0.840
L-SIL 3 (25) 9 (75) 12  
Negative 48 (24.24) 150 (75.76) 198  
  1. HPV Human papillomavirus, p= P value, STD Sexually-transmitted diseases, ASCUS Atypical squamous cells of undetermined significance, SIL Squamous intraepithelial lesions. Some variables had lower values due to loss of data regarding self-completed questionnaires.
  2. *The minimum average monthly income in Colombia is about US$ 300.