Table 6 One-way chi-square (χ2) test or Fisher’s exact test for analysis of factors influencing drug resistance
Variable | Whether drug-resistant (composition ratio) | χ2 | P value | ||
|---|---|---|---|---|---|
NO | YES | ||||
Sex | Female | 30(46.9) | 34(53.1) | 2.14 | 0.14 |
Male | 104(57.5) | 77(42.5) | |||
Age | 18–49 years | 130(55.8) | 103(44.2) | 2.32 | 0.13 |
50–64 years | 4(33.3) | 8(66.7) | |||
Education level | Illiterate | 103(53.6) | 89(46.4) | 7.48 | 0.05 |
Elementary school | 23(63.9) | 13(36.1) | |||
Junior high school | 8(50.0) | 8(50.0) | |||
High school or secondary school | 0 | 1(100.0) | |||
Marital status | Unmarried | 37(61.7) | 23(38.3) | 7.87 | 0.02 |
Married | 75(48.4) | 80(51.6) | |||
Divorced or widowed | 22(73.3) | 8(26.7) | |||
Mode of transmission | Sexual transmission | 51(49.5) | 53(50.5) | 1.92 | 0.17 |
Injection drugs | 83(58.5) | 59(53.2) | |||
Family type | Single family | 44(53.7) | 38(46.3) | 2.32 | 0.31 |
Extended family | 35(48.6) | 37(51.4) | |||
Other | 55(60.4) | 36(39.6) | |||
The first CD4+counts (counts/μl) | under 200 | 24(40.0) | 36(60.0) | 9.37 | 0.02 |
200–349 | 30(51.7) | 28(48.3) | |||
350–499 | 36(60.0) | 24(40.0) | |||
500 and above | 44(65.7) | 23(34.3) | |||
Initial ART regimen | Non-TDF + 3TC regimen | 17(63.0) | 10(37.0) | 0.84 | 0.36 |
TDF + 3TC regimen | 117(53.7) | 101(46.3) | |||
Time on ART | 6 months-2 years | 81(57.4) | 60(42.6) | 2.11 | 0.55 |
3–5 years | 23(46.0) | 27(54.0) | |||
6–8 years | 16(53.3) | 14(46.7) | |||
≥9 years | 14(58.3) | 10(41.7) | |||
Change of ART regimen | YES | 110(59.1) | 76(40.9) | 6.16 | 0.01 |
NO | 24(40.7) | 35(59.3) | |||