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Table 1 The distribution characteristics of HIV-1 genotypes among the heterosexually transmitted population in Jiangsu

From: HIV-1 genotype diversity and distribution characteristics among heterosexually transmitted population in Jiangsu province, China

Characteristics Cases[%]a The frequency and prevalence of different HIV-1 genotypes, N(%)b P
CRF01_AE CRF07_BC B CRF08_BC URFs Other subtypesd
Total 262 [100] 119 (45.4) 56 (21.4) 33 (12.6) 29 (11.1) 10 (3.8) 15 (5.7)  
Gender         0.001
 Male 188 [71.8] 88 (46.8) 41 (21.8) 23 (12.2) 12 (6.4) 10 (5.3) 14 (7.4)  
 Female 74 [28.2] 31 (41.9) 15 (20.3) 10 (13.5) 17 (23.0) 0 (0.0) 1 (1.4)  
Transmission routes         0.074c
 Marital transmission 63 [24.0] 28 (44.4) 11 (17.5) 10 (15.9) 11 (17.5) 1 (1.6) 2 (3.2)  
 Extra-marital non-commercial sexual contact 82 [31.3] 33 (40.2) 16 (19.5) 15 (18.3) 11 (13.4) 2 (2.4) 5 (6.1)  
 Commercial sexual contact 117 [44.7] 58 (49.6) 29 (24.8) 8 (6.8) 7 (6.0) 7 (6.0) 8 (6.8)  
HIV-1 confirmation year         0.028c
 Before 2008 24 [9.2] 4 (16.7) 5 (20.8) 8 (33.3) 4 (16.7) 0 (0.0) 3 (12.5)  
 2008–2012 138 [52.7] 63 (45.7) 28 (20.3) 18 (13.0) 16 (11.6) 6 (4.3) 7 (5.1)  
 After 2012 100 [38.2] 52 (52.0) 23 (23.0) 7 (7.0) 9 (9.0) 4 (4.0) 5 (5.0)  
Ages (years)         0.183c
 18–30 32 [12.2] 15 (46.9) 7 (21.9) 4 (12.5) 3 (9.4) 2 (6.2) 1 (3.1)  
 31–49 162 [61.8] 75 (46.3) 30 (18.5) 17 (10.5) 19 (11.7) 7 (4.3) 14 (8.6)  
  ≥ 50 68 [26.0] 29 (42.6) 19 (27.9) 12 (17.6) 7 (10.3) 1 (1.5) 0 (0.0)  
Marital status         0.453
 Married 155 [59.2] 65 (41.9) 34 (21.9) 17 (11.0) 23 (14.8) 6 (3.9) 10 (6.5)  
 Unmarried 32 [12.2] 19 (59.4) 7 (21.9) 4 (12.5) 1 (3.1) 1 (3.1) 0 (0.0)  
 Divorced/widowed 75 [28.6] 35 (46.7) 15 (20.0) 12 (16.0) 5 (6.7) 3 (4.0) 5 (6.7)  
Education level         0.533
 Primary school and below 59 [22.5] 29 (49.2) 13 (22.0) 10 (16.9) 5 (8.5) 1 (1.7) 1 (1.7)  
 Middle school 173 [66.0] 76 (43.9) 38 (22.0) 21 (12.1) 21 (12.1) 6 (3.5) 11 (6.4)  
 College and above 30 [11.5] 14 (46.7) 5 (16.7) 2 (6.7) 3 (10.0) 3 (10.0) 3 (10.0)  
Occupation         0.005c
 Full-time job 129 [49.2] 64 (49.6) 23 (17.8) 10 (7.8) 16 (12.4) 6 (4.7) 10 (7.8)  
 Part-time job 37 [14.1] 17 (45.9) 9 (24.3) 3 (8.1) 2 (5.4) 3 (8.1) 3 (8.1)  
 Farmer 31 [11.8] 8 (25.8) 6 (19.4) 9 (29.0) 8 (25.8) 0 (0.0) 0 (0.0)  
 Unemployed/retired 65 [24.8] 30 (46.2) 18 (27.7) 11 (16.9) 3 (4.6) 1 (1.5) 2 (3.1)  
Local census register         0.201
 No 38 [14.5] 17 (44.7) 4 (10.5) 5 (13.2) 8 (21.1) 1 (2.6) 3 (7.9)  
 Yes 224 [85.5] 102 (45.5) 52 (23.2) 28 (12.5) 21 (9.4) 9 (4.0) 12 (5.4)  
Monthly income level (CNY)         0.345
  < 3000 172 [65.6] 79 (45.9) 38 (22.1) 24 (14.0) 20 (11.6) 4 (2.3) 7 (4.1)  
 3000–5000 65 [24.8] 25 (38.5) 14 (21.5) 8 (12.3) 7 (10.8) 4 (6.2) 7 (10.8)  
  > 5000 25 [9.5] 15 (60.0) 4 (16.0) 1 (4.0) 2 (8.0) 2 (8.0) 1 (4.0)  
Locations         0.035c
 South Jiangsu 82 [31.3] 38 (46.3) 8 (9.8) 16 (19.5) 13 (15.9) 3 (3.7) 4 (4.9)  
 Central Jiangsu 86 [32.8] 37 (43.0) 27 (31.4) 6 (7.0) 6 (7.0) 3 (3.5) 7 (8.1)  
 North Jiangsu 94 [35.9] 44 (46.8) 21 (22.3) 11 (11.7) 10 (10.6) 4 (4.3) 4 (4.3)  
  1. aNumbers in square brackets indicate the proportion of the HIV-1 cases as a percentage of the total 262 subjects
  2. bNumbers in parentheses indicate the proportion of HIV-1 subtypes as a percentage of each subgroup
  3. cThe P value was calculated using Fisher’s exact method
  4. dOther subtypes including CRF68_01B (2.7%), subtype C (1.9%), CRF02_AG (0.4%), CRF55_01B (0.4%) and subtype A (0.4%)