Table 10 Validity of the PROHIV-OLD instrument assessed by the known-groups method (n = 483)

Gender

4.73^*

4.50^*

0.15

0.18

0.03

Male

400

64.44 (24.38)

66.18 (25.98)

54.08 (27.74)

59.33 (27.10)

62.41 (22.73)

Female

83

58.07 (23.85)

59.48 (27.05)

52.76 (29.82)

60.71 (25.95)

61.96 (20.66)

Household monthly income per capita (Yuan)

16.37^***a

7.30^**

1.18

2.57

9.98^***

< 600 ^I

34

46.81 (22.34)

52.94 (23.64)

47.18 (26.59)

52.12 (21.80)

51.68 (24.17)

600 ~ 6000 ^II

349

62.74 (24.78)

64.25 (26.37)

53.98 (28.42)

59.11 (27.35)

61.27 (22.07)

> 6000 ^III

100

71.06 (20.36)

71.83 (25.05)

55.71 (27.27)

63.72 (26.34)

69.67 (20.81)

post-hoc

I<II<III ^b

I<III, II<III ^c

NS ^c

NS ^c

I<III, II<III ^c

Plasma HIV-1 RNA level (copies/ml)

0.02

0.14

0.27

2.91

< 0.01

< 20

189

58.50 (24.57)

59.45 (24.90)

54.12 (24.75)

55.35 (26.39)

57.43 (22.74)

≥ 20

23

57.49 (30.55)

57.39 (26.95)

51.27 (24.21)

65.22 (24.34)

57.66 (21.90)

CD4⁺T cell count (cell/µl)

14.86^{*** a}

8.20^***

5.03^{** a}

3.91^*

20.07^{*** a}

< 200 ^I

77

49.75 (28.77)

57.97 (25.50)

44.10 (30.40)

53.61 (28.99)

48.92 (25.23)

200 ~ 500 ^II

238

63.67 (23.83)

63.28 (25.65)

56.32 (25.87)

59.20 (26.57)

62.42 (21.51)

> 500 ^III

112

70.01 (19.14)

72.29 (24.06)

54.54 (27.88)

64.48 (24.28)

69.88 (18.06)

post-hoc

I<II<III ^b

I<III, II<III ^c

I<II, I<III ^b

I<III ^c

I<II<III ^b

HIV serostatus

3.02 ^a

0.11

3.59^{* a}

0.29

5.62^{** a}

HIV positive-asymptomatic^I

282

65.09 (22.21)

65.08 (26.20)

56.65 (26.18)

60.32 (25.84)

65.32 (19.04)

HIV positive-symptomatic^II

85

64.90 (24.71)

65.96 (27.23)

52.01 (30.51)

59.02 (28.65)

59.10 (25.65)

AIDS^III

116

57.95 (28.32)

64.20 (25.90)

48.42 (29.98)

58.14 (28.18)

57.45 (26.04)

post-hoc

NS ^b

NS ^c

III<I ^b

NS ^c

III<I ^b

Comorbidity

8.64^{** a}

2.23

1.29

1.1

3.46

No

337

65.69(21.99)

66.26(25.05)

54.81(27.19)

60.40(26.20)

63.69(20.57)

Yes

146

57.91(28.51)

62.17(28.75)

51.66(30.02)

57.65(28.40)

59.20(25.87)

Liver function

0.11

0.55

1.65

2.23

< 0.01

Normal

126

63.07(24.32)

67.25(25.42)

50.96(28.74)

56.57(25.73)

62.83(20.83)

Abnormal

334

63.90(24.34)

65.22(26.49)

54.74(28.00)

60.78(27.37)

62.88(22.79)

Kidney function

0.05

0.05

0.18

0.1

0.89

Normal

432

64.22(24.24)

66.24(26.13)

53.74(28.31)

59.61(27.08)

62.99(22.19)

Abnormal

16

62.85(20.76)

64.79(25.38)

56.77(28.78)

61.81(26.44)

68.30(18.70)

Dyslipidemia

12.61^***

0.92

1.51

0.34

2.92

No

71

75.27(17.08)

73.99(25.87)

58.69(29.48)

63.61(27.10)

70.59(18.26)

Yes

264

66.41(23.64)

70.63(26.23)

53.93(28.76)

61.49(27.17)

65.95(20.85)