HIV risk-related sexual behavior by cohabiting partner status among factory workers: Results from the 2015 Bangkok behavioral surveillance survey (BSS)

Figures & data

Table 1. Construct of the composite score of the three HIV risk-related sexual behaviors

HIV risk-related sexual behaviors	Criteria		Status of engaging in HIV risk-related behaviors
Had sex with a non-regular partner^†	No (coded as 0)	Yes (coded as 1)	If 1 or more, then engaging in HIV risk-related behavior; If 0, then no HIV risk-related behavior
Irregular condom use at sex with a non-regular partner^†	Always use (coded as 0)	Sometimes or never use (coded as 1)
Had multiple sex partners	1 partner (coded as 0)	≥2 partners (coded as 1)
Total score	0 to 3

Note: This analysis was limited to persons who were sexually active in the 12 months prior to the survey.

^† The two indicators were chosen in accordance with Global AIDS Response Progress (GARP) indicators used to track reduction in sexual transmission of HIV (Thai National AIDS Committee, 2015).

Table 2. Participants’ characteristics by cohabiting partner status among factory workers in Bangkok

	Total	Without cohabiting partner^†	With cohabiting partner^‡
	n (%)	n (%)	n (%)
Socio-demographic factors
Sex (male)	656 (53.3)	174 (61.5)	482 (50.8)	**
Age groups (year)
<25	160 (13.0)	46 (16.3)	114 (12.0)	**
25–34	482 (39.1)	127 (44.9)	355 (37.4)
≥35	590 (47.9)	110 (38.9)	480 (50.6)
Marital status
No partner	82 (6.7)	82 (29.0)	–
Separate	136 (11.0)	136 (48.1)	–
Living together	171 (13.9)	–	171 (18.0)
Married	778 (63.2)		778 (82.0)
Divorced	38 (3.1)	38 (13.4)	–
Widowed	27 (2.2)	27 (9.5)	–
Highest level of education attained
Secondary school or less	469 (38.1)	97 (34.3)	372 (39.2)	NS
High school	357 (29.0)	93 (32.9)	264 (27.8)
College or higher	406 (33.0)	93 (32.9)	313 (33.0)
Income (Thai baht)
<10,000^¶	461 (37.4)	112 (39.6)	349 (36.8)	NS
10,000–20,000	569 (46.2)	136 (48.1)	433 (45.6)
>20,000	202 (16.4)	35 (12.4)	167 (17.6)
Alcohol consumption
Never	436 (35.4)	84 (29.7)	352 (37.1)	NS
Experimental	16 (1.3)	4 (1.4)	12 (1.3)
Infrequently	259 (21.0)	67 (23.7)	192 (20.3)
Sometimes	422 (34.3)	102 (36.0)	320 (33.8)
Regularly	98 (8.0)	26 (9.2)	72 (7.6)
Sexual behavior at first sex
Gender of sex partner
Different gender	1,161 (94.2)	259 (91.5)	902 (95.1)	*
Same gender/Lady boy/Others	71 (5.8)	24 (8.5)	47 (5.0)
Type of sex partner
Lover	1,110 (90.1)	239 (84.5)	871 (91.8)	***
Sex worker	41 (3.3)	17 (6.0)	24 (2.5)
Other	81 (6.6)	27 (9.5)	54 (5.7)
Condom use
Use	420 (34.1)	108 (38.2)	312 (32.9)	^NS
No use/Not necessary	812 (65.9)	175 (61.8)	637 (67.1)
Sexual behaviors in past 12 months
Last year had sex (yes)	1,041 (84.5)	149 (52.7)	892 (94.0)	***
Number of sex partners
1	866 (84.1)	84 (56.4)	782 (88.8)	***
≥2	164 (15.9)	65 (43.6)	99 (11.2)
Last year had sex with:
Spouse or girl/boy friend	1,009 (96.9)	119 (79.9)	890 (99.8)	***
Non-regular partner	123 (11.8)	57 (38.3)	66 (7.4)	***
Sex worker	37 (6.5)	24 (21.6)	13 (2.8)	***
Men	18 (3.1)	10 (9.0)	8 (1.7)	***
To get money	10 (1.0)	3 (2.0)	7 (0.8)	^NS
Condom use (Not always)
Spouse or girl/boy friend	852 (84.4)	90 (75.6)	762 (85.6)	**
Non-regular partner	68 (55.3)	30 (52.6)	38 (57.6)	NS
Sex worker	10 (27.0)	9 (37.5)	1 (7.7)	NS
Men	12 (66.7)	6 (60.0)	6 (75.0)	NS

Note: NS = Not significant.

^† Single/separate/divorced/widowed.

^‡ Married or cohabitant.

^¶ Average currency exchange rate between Baht and US$ is 1US$ = 35 Baht.

* p < 0.05.

** p < 0.01.

*** p < 0.001.

Table 3. Construct of the composite score of the three HIV risk-related sexual behaviors and the prevalence by cohabitating partner status

	Sex with a non-regular partner^†	Irregular condom use^†	Multiple sex partners	Total score (0–3)
	No (0); Yes (1)	Always (0); Sometimes/never (1)	1 (0); ≥2 (1)	0	1	2	3
Total (%)	13.7	52.5	15.9	81.3	6.3	6.8	5.6
Without cohabitating partner (%)	43.0	46.9	43.6	47.7	14.8	20.8	16.8
With cohabitating partner (%)	8.9	57.0	11.2	86.9	4.9	4.5	3.7

Note: This analysis was limited to persons who were sexually active in the 12 months prior to the survey.

^† The two indicators were chosen in accordance with Global AIDS Response Progress (GARP) indicators used to track reduction in sexual transmission of HIV (Thai National AIDS Committee, 2015).

Table 4. Factors associated with three HIV risk-related sexual behaviors and its composite measure among a sample of factory workers in Bangkok

	Without cohabiting partner^†						With cohabiting partner^‡
	Had sex with a non-regular partner		Multiple sex partners (≥2)		Composite measure (total score ≥1)		Had sex with a non-regular partner		Multiple sex partners (≥2)		Composite measure (total score ≥1)
	aOR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI	aOR	95% CI
Socio-demographic factors
Sex (male)	10.4***	(2.94, 37.1)	4.67**	(1.74, 12.6)	6.41***	(2.70, 15.2)	3.79***	(2.05, 7.01)	5.37***	(2.92, 9.86)	4.25***	(2.53, 7.12)
Age groups (year)
≥35	1.00		1.00		1.00		1.00		1.00		1.00
25–34	1.52	(0.58, 3.97)	0.87	(0.36, 2.10)	1.86	(0.89, 3.90)	1.10	(0.65, 1.89)	0.99	(0.59, 1.66)	1.25	(0.78, 1.99)
<25	1.11	(0.34, 3.63)	1.79	(0.62, 5.18)	3.39*	(1.33, 8.67)	1.54	(0.72, 3.29)	2.46**	(1.26, 4.81)	2.14*	(1.14, 4.05)
Education level
Secondary school or less	1.00		1.00		1.00		1.00		1.00		1.00
High school	0.84	(0.31,2.31)	1.73	(0.69,4.39)	1.39	(0.62,3.12)	1.24	(0.65, 2.36)	1.07	(0.61, 1.90)	0.92	(0.54, 1.57)
College or higher	0.67	(0.21, 2.16)	1.08	(0.36, 3.18)	1.05	(0.40, 2.71)	2.32*	(1.21, 4.45)	1.62	(0.89, 2.97)	1.67	(0.96, 2.93)
Income
<10,000^¶	1.00		1.00		1.00		1.00		1.00		1.00
10,000–20,000	1.20	(0.46, 3.13)	1.34	(0.55, 3.25)	1.02	(0.47, 2.21)	0.71	(0.39, 1.28)	0.73	(0.43, 1.25)	0.62	(0.38, 1.02)
>20,000	2.74	(0.53, 14.0)	3.68	(0.82, 16.5)	1.50	(0.47, 4.80)	0.78	(0.35, 1.72)	0.72	(0.34, 1.55)	0.69	(0.34, 1.38)
Alcohol consumption
Never/occasionally	1.00		1.00		1.00		1.00		1.00		1.00
Sometimes/always	1.25	(0.55, 2.85)	1.34	(0.63, 2.85)	2.72**	(1.43, 5.20)	1.60	(0.96, 2.67)	1.32	(0.83, 2.12)	1.45	(0.94, 2.24)
Sexual experience at first sex
Gender of sex partner
Different gender	1.00		1.00		1.00		1.00		1.00		1.00
Same gender	2.37	(0.61, 9.16)	3.09	(0.93, 10.2)	3.42*	(1.17, 10.0)	1.42	(0.46, 4.37)	2.83*	(1.09, 7.32)	1.86	(0.75, 4.59)
Type of sex partner
Lover	1.00		1.00		1.00		1.00		1.00		1.00
Sex worker/other	5.33**	(1.92, 14.8)	2.15	(0.88, 5.25)	6.60***	(2.90, 15.0)	1.87	(0.95, 3.67)	2.63**	(1.44, 4.80)	2.24**	(1.26, 3.99)
Condom use
Use	1.00		1.00		1.00		1.00		1.00		1.00
No use/Not necessary	2.64*	(1.08, 6.43)	2.23*	(1.00, 4.95)	2.04*	(1.03, 4.04)	1.40	(0.83, 2.38)	1.91*	(1.14, 3.20)	1.68*	(1.06, 2.67)

^† Single/separate/divorced/widowed.

^‡ Married or cohabitant.

^¶ Average currency between 1US$ and Thai baht is 1US$ = 35 Thai baht.

* p < 0.05.

** p < 0.01.

*** p < 0.001.

Thai National AIDS Committee. (2015). Thailand AIDS Response progress report 2015. Bangkok: Thai National AIDS Committee. Retrieved from https://www.unaids.org/sites/default/files/country/documents/THA_narrative_report_2015.pdf

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