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. 2023 Jul 14;20:45. doi: 10.1186/s12981-023-00539-7

Table 1.

General demographic characteristics of the MSMa participants in Maanshan, China

Variable HIV-negative
[M(P25,P75)]/[n (%)]
HIV-positive
[M(P25,P75)]/[n (%)]
χ2/Z P-value
Total 816(87.4) 118(12.6)
Age (years old) 30.3(24.0,34.0) 31.8(26.0,36.3) 2.66b 0.008
Household registration 1.56c 0.458
Maanshan City 601(87.1) 89(12.9)
Other cities of Anhui Province 122(90.4) 13(9.6)
Other Provinces 93(85.3) 16(14.7)
Ethnicity 0.03c 0.871
Han 801(87.4) 115(12.6)
Other nations 15(83.3) 3(16.7)
Occupation 36.45c < 0.001
Student 146(95.4) 7(4.6)
Farmer 47(97.9) 1(2.1)
Laborer 263(88.6) 34(11.4)
Public institutions 94(93.1) 7(6.9)
Freelancer 223(79.4) 58(20.6)
othersd 43(79.6) 11(20.4)
Education level 9.31c 0.025
Primary school or less 133(85.8) 22(14.2)
Junior high school 212(83.5) 42(16.5)
Senior high school/Technical secondary school 243(87.4) 35(12.6)
Bachelor degree or above 228(92.3) 19(7.7)
Marital status 3.04c 0.219
Unmarried 435(87.5) 62(12.5)
Married 304(88.6) 39(11.4)
Divorced/widower 77(81.9) 17(18.1)
Monthly income (yuan/RMB) 16.21c 0.001
< 1 000 151(93.2) 11(6.8)
1 000–2 999 50(76.9) 15(23.1)
3 000–4 999 328(84.5) 60(15.5)
≥ 5 000 287(90.0) 32(10.0)

a Men who have sex with men; b Mann-Whitney U test; c Chi-square test; d Sex workers, unemployed and retired people