Variable | Study sample (n = 600) | Validation sample (n = 483) | \( {\varvec{\chi }}^{2}\) | p | ||
---|---|---|---|---|---|---|
Na | Percentage (%) | Nb | Percentage (%) | |||
Gender | Â | Â | Â | Â | 0.078 | 0.780 |
Male | 493 | 82.17 | 400 | 82.82 | Â | Â |
Female | 107 | 17.83 | 83 | 17.18 | Â | Â |
Age | Â | Â | Â | Â | 0.018 | 0.991 |
\( \le \)60 | 308 | 51.68 | 246 | 50.93 | Â | Â |
61 ~ 70 | 206 | 34.56 | 167 | 34.58 |  |  |
> 70 | 86 | 14.33 | 70 | 14.49 |  |  |
Marriage | Â | Â | Â | Â | 0.379 | 0.945 |
Single | 28 | 4.67 | 25 | 5.18 | Â | Â |
Married/cohabitation | 427 | 71.17 | 338 | 69.98 | Â | Â |
Separated/divorced | 108 | 18.00 | 87 | 18.01 | Â | Â |
Widowed | 37 | 6.17 | 33 | 6.83 | Â | Â |
Education | Â | Â | Â | Â | 1.200 | 0.753 |
Primary school or below | 254 | 42.33 | 191 | 39.54 | Â | Â |
Middle school | 205 | 34.17 | 169 | 34.99 | Â | Â |
High school | 100 | 16.67 | 84 | 17.39 | Â | Â |
Associate degree or above | 41 | 6.83 | 39 | 8.07 | Â | Â |
Residence | Â | Â | Â | Â | 0.724 | 0.395 |
Urban | 243 | 40.50 | 208 | 43.06 | Â | Â |
Rural | 357 | 59.50 | 275 | 56.94 | Â | Â |
Employment status | Â | Â | Â | Â | 1.601 | 0.449 |
Employed | 248 | 41.3 | 196 | 40.58 | Â | Â |
Retired | 269 | 44.8 | 231 | 47.83 | Â | Â |
Farmer | 83 | 13.8 | 56 | 11.69 | Â | Â |
Household monthly income per capita (Yuan) | Â | Â | 1.014 | 0.602 | ||
< 600 | 52 | 8.67 | 34 | 7.04 |  |  |
600 ~ 6000 | 429 | 71.50 | 349 | 72.26 |  |  |
\( \ge \)6000 | 119 | 19.83 | 100 | 20.70 | Â | Â |
City | Â | Â | Â | Â | Â | Â |
Hangzhou | 245 | 40.83 | 234 | 48.45 | 7.199 | 0.027 |
Huzhou | 198 | 33.00 | 129 | 26.71 | Â | Â |
Quzhou | 157 | 26.17 | 120 | 24.84 | Â | Â |
Comorbidity | Â | Â | Â | Â | 0.007 | 0.935 |
Without | 420 | 70.00 | 337 | 69.77 | Â | Â |
With | 180 | 30.00 | 146 | 30.23 | Â | Â |
Mode of HIV acquisition | Â | Â | Â | Â | 2.254 | 0.324 |
Homosexual sex contact | 161 | 26.80 | 146 | 30.29 | Â | Â |
Heterosexual sex contact | 418 | 69.70 | 324 | 67.22 | Â | Â |
Unknown or other | 21 | 3.50 | 12 | 2.49 | Â | Â |
HIV serostatus | Â | Â | Â | Â | 0.352 | 0.838 |
HIV positive-asymptomatic | 345 | 57.50 | 282 | 58.39 | Â | Â |
HIV positive-symptomatic | 114 | 19.00 | 85 | 17.60 | Â | Â |
AIDS | 141 | 23.50 | 116 | 24.02 | Â | Â |
Baseline CD4+T cell count (cell/\( \varvec{\upmu }\mathbf{l}\)) | Â | Â | 0.258 | 0.968 | ||
< 200 | 109 | 18.20 | 83 | 17.18 |  |  |
200 ~ 350 | 179 | 29.80 | 142 | 29.40 |  |  |
351 ~ 500 | 159 | 26.50 | 132 | 27.33 |  |  |
> 500 | 151 | 25.20 | 124 | 25.67 |  |  |
Baseline plasma HIV-1 RNA level (copies/ml) | Â | Â | 0.254 | 0.614 | ||
< 20 | 214 | 87.00 | 193 | 88.53 |  |  |
≥ 20 | 32 | 13.00 | 25 | 11.47 |  |  |