Table 4.

Characteristics and behaviors of truck drivers and their wives associated with practicing AI reported by truck drivers and their wives, Namakkal district, Tamil Nadu, India, 2010

Characteristics/behaviors	AI reported by truck drivers				AI reported by wives
	Crude odds ratio (95%CI)	p value	Adjusted odds ratio (95%CI)	p value	Crude odds ratio (95%CI)	p value	Adjusted odds ratio (95%CI)	p value
Truckers’ characteristics/behaviors
Age (years)
22–27	1.0 (0.5–1.8)	ns			3.1 (1.04–9.4)	.043
28–37	1.7 (0.6–4.5)	ns			2.8 (1.4–5.6)	.003
38–55	Ref.				Ref.
Education
≥ High school	2.7 (1.0–7.4)	0.054			4.0 (1.3–12.1)	.013
Primary/middle school	1.8 (0.7–5.2)	ns			2.1 (0.7–6.5)	ns
Illiterate	Ref.				Ref.
Sexual debut before marriage
Yes	1.9 (1.1–3.5)	.027	1.9 (1.0–3.4)a	.034	1.9 (1.1–3.6)	.033	1.9 (1.0–3.5)b	.05
No	Ref.				Ref.
Felt at risk for HIV
Yes					2.1 (1.03–4.4)	.041	2.5 (1.2–5.4)c	.015
No					Ref.
Quality of sexual relationship
Good/excellent	0.3 (0.1–1.0)	.058	0.7 (0.4–1.3)d	ns
Bad/OK	Ref.
Condom use during vaginal intercourse  with wife
Never	0.5 (0.2–1.3)	ns	0.5 (0.1–1.6)e	ns
Sometimes	0.4 (0.1–1.2)	ns	1.7 (0.5–5.6)e	ns
Always/most times	Ref.
Had female sexual partner(s) other than wife
Yes	1.9 (1.0–3.4)	.037	1.3 (0.7–2.6)f	ns
No	Ref.
Ever had sex with male or transgender
Yes	3.8 (1.2–12.2)	.027	4.0 (1.2–13.3)g	.022
No	Ref.
Knew HIV can be prevented
Yes	1.9 (0.7–5.0)	ns	1.4 (0.5–4.1)g	ns
No	Ref.
Wives’ characteristics/behaviors
Age (years)
18–27					7.3 (1.6–32.8)	.009
28–37					5.1 (1.2–22.9)	.031
38–49					Ref.
Education
≥ High school					3.1 (1.4–6.8)	.005
Primary/middle school					1.8 (0.8–4.1)	ns
Illiterate					Ref.
Condom use during vaginal intercourse  with husband
Never					0.4 (0.2–0.8)	.020	0.4 (0.1–1.1)h	ns
Sometimes					0.9 (0.4–2.2)	ns	1.02 (0.4–2.9)h	ns
Always/most times					Ref.
Had male sexual partner(s) other  than husband
Yes					8.6 (4.3–17.4)	<.001	8.8 (3.2–24.0)i	<.001
No					Ref.
Correct knowledge about HIV
Yes					6.2 (2.7–14.6)	<.001	4.9 (1.9–12.5)j	.001
No					Ref.
Knew HIV can be prevented
Yes					3.3 (1.5–7.6)	.004	1.6 (0.6–4.1)k	ns
No					Ref.
Sexual relationship control
High					0.6 (0.2–2.2)	ns	0.8 (0.2–3.4)l	ns
Medium					0.6 (0.3–1.0)	ns	0.5 (0.2–1.3)l	ns
Low					Ref.

^aAdjusted for age of truck driver

^bAdjusted for husband’s age

^cAdjusted for husband’s education status and correct knowledge about HIV

^dAdjusted for marital relationship attitudes of truck driver, female sexual partners other than wife, truck driver having sex with male/transgender

^eAdjusted for marital relationship attitudes of truck driver, female sexual partners other than wife, truck driver having sex with male/transgender, truck driver’s knowledge that HIV can be prevented

^fAdjusted for marital relationship attitudes of truck driver, truck driver’s knowledge about preventing HIV, truck driver having sex before marriage

^gAdjusted for age and education of truck driver

^hAdjusted for wife’s age, correct knowledge about HIV, level of relationship control, having male sexual partner(s) other than husband, husband’s correct knowledge about HIV

ⁱAdjusted for wife’s age, income, and correct knowledge about HIV

^jAdjusted for wife’s age and education status

^kAdjusted for wife’s age, education status, and correct knowledge about HIV

^lAdjusted for wife’s age, education status, and income