. 2023 Jan 27:1–11. Online ahead of print. doi: 10.1007/s10461-023-03995-4

Table 2.

High-risk Sexual Behaviors Changes among Participants in Different Groups during 9 months Intervention Period

	Baseline			The first visit(3 Months)			The second visit (6 Months)			The third visit (9 Months)
	SMS N (%)	Control N (%)	χ ²	SMS N (%)	Control N (%)	χ ²	SMS N (%)	Control N (%)	χ ²	SMS N (%)	Control N (%)	χ ²
Condomless anal intercourse
Yes	129(40.69)^a	120(38.22)^a,b	0.405	71(24.48)^b	129(44.33)^b	25.346^*	42(14.19)^c	103(35.15)^a,b	34.873^*	37(14.18)^c	81(28.42)^a	16.318^*
No	188(59.31)	194(61.78)	0.405	219(75.52)	162(55.67)	25.346^*	254(85.81)	190(64.85)	34.873^*	224(85.82)	204(71.58)	16.318^*
Number of male partners
0–1	133(41.96)	139(44.27)	0.344	61(21.03)	45(15.46)	3.022	91(30.74)	45(15.36)	19.626^*	71(27.20)	44(15.44)	11.341^*
≥ 2	184(58.04)^a	175(55.73)^a	0.344	229(78.97)^b	246(84.54)^b	3.022	205(69.26)^c	248(84.64)^b	19.626^*	190(72.80)^b,c	241(84.56)^b	11.341^*
Sex with male infector
Yes	6(1.89)	2(0.64)	2.000	6(2.07)	2(0.69)	8.737^*	4(1.35)	1(0.34)	26.224^*	8(3.07)	5(1.75)	12.980^*
No	193(60.88)	195(62.10)		212(73.10)	187(64.26)		254(85.81)	205(69.97)		224(85.82)	216(75.79)
Unclear	118(37.22)^a	117(37.26)^a		72(24.83)^b	102(35.05)^a		38(12.84)^c	87(29.69)^a,b		29(11.11)^c	64(22.46)^b
Condomless oral sex
Yes	174(54.89)^a	172(54.78)^a,b	0.001	174(60.00)^a	182(62.54)^b	0.396	168(56.76)^a	148(50.51)^a	2.309	158(60.53)^a	144(50.53)^a	5.523^*
No	143(45.11)	142(45.22)	0.001	116(40.00)	109(37.46)	0.396	128(43.24)	145(49.49)	2.309	103(39.46)	141(49.47)	5.523^*
Condom use in last intercourse
Yes	240(75.71)^a	249(79.3)^a	1.165	265(91.38)^b	260(89.35)^b	0.689	269(90.88)^b	260(88.74)^b	0.738	244(93.48)^b	254(89.12)^b	3.235
No	77(24.29)	65(20.7)	1.165	25(8.62)	31(10.65)	0.689	27(9.12)	33(11.26)	0.738	17(6.51)	31(10.88)	3.235
New-type drug used
Yes	100(31.55)^a	88(28.03)^a	0.334	72(24.83)^a	90(30.93)^a	2.688	71(23.99)^a	87(29.69)^a	2.443	64(24.52)^a	82(28.77)^a	1.257
No	217(68.45)	226(71.97)	0.334	218(75.17)	201(69.07)	2.688	225(76.01)	206(70.31)	2.443	197(75.48)	203(71.23)	1.257
Group intercourse
Yes	38(11.99)^a	37(11.78)^a	0.935	20(6.90)^a,b	29(9.97)^a	1.772	13(4.39)^b	27(9.22)^a	5.411^*	15(5.75)^a,b	24(8.42)^a	1.469
No	279(88.01)	277(88.22)	0.935	270(93.10)	262(90.03)	1.772	283(95.61)	266(90.78)	5.411^*	246(94.25)	261(91.58)	1.469
Commercial sex
Yes	11(3.47)^a	16(5.10)^a	1.018	7(2.41)^a	7(2.44)^a,b	0.000	4(1.35)^a	2(0.68)^b	0.653	6(2.30)^a	2(0.70)^b	2.407
No	306(96.53)	298(94.90)	1.018	283(97.59)	284(97.56)	0.000	292(98.6)	291(99.32)	0.653	255(97.70)	283(99.30)	2.407

Ps: (1)^a vs. ^b, P < 0.05; (2) ^a vs. ^c, P < 0.05; (3) ^a vs. ^b,c, P < 0.05; (4) ^a vs. ^a,b, P ≥ 0.05; (5) ^b vs. ^a,b, P ≥ 0.05, (6) ^b vs. ^b,c, P ≥ 0.05; ^*: the SMS group vs. the control group, P < 0.05