Injecting drug use in Manipur and Nagaland, Northeast India: injecting and sexual risk behaviours across age groups

Table 3 Binary logistic regression for consistent condom use in the past year across age groups, by state

Age (years)	Manipur						Nagaland
Age (years)	Consistent condom use with regular partners^a		Consistent condom use with casual partners^a		Consistent condom use with paid partners^a		Consistent condom use with regular partners^a		Consistent condom use with casual partners^a		Consistent condom use with paid partners^a
	Unadjusted OR (95% CI) (n=832)	Adjusted OR^b(95% CI) (n=827)	Unadjusted OR (95% CI) (n=356)	Adjusted OR^b(95% CI) (n=355)	Unadjusted OR (95% CI) (n=194)	Adjusted OR^b(95%CI) (n=193)	Unadjusted OR (95% CI) (n=1,193)	Adjusted OR^b(95%CI) (n=1,163)	Unadjusted OR (95% CI) (n=698)	Adjusted OR^b(95% CI) (n=682)	Unadjusted OR (95% CI) (n=93)	Adjusted OR^b(95% CI) (n=89)
18–24	1.82 (0.97–3.39)	0.47 (0.19–1.16)	1.85 (0.71–4.80)	1.23 (0.37–4.05)	1.36 (0.50–3.71)	0.72 (0.22–2.31)	7.62 (2.74–21.17)***	1.20 (0.33–4.40)	3.31 (1.51–7.27)**	3.12 (1.05–9.27)*	4.84 (1.18–19.95)*	17.65 (1.42–219.16)*
25–34	0.69 (0.40–1.19)	0.34 (0.17–0.65)**	0.93 (0.35–2.42)	0.95 (0.31–2.90)	0.77 (0.31–1.90)	0.56 (0.20–1.55)	3.55 (1.26–9.97)**	1.46 (0.42–5.10)	2.02 (0.91–4.48)	1.95 (0.69–5.53)	2.25 (0.55–9.22)	5.53 (0.57–53.41)
35+	1	1	1	1	1	1	1	1	1	1	1	1

*p <0.05; **p <0.01; ***p <0.001.
^aReported that, in general, condoms are used every time with this type of partner; the other options (most of the times, sometimes, and never) were combined to construct a binary variable. Only participants with these types of sexual partners over the past year were included in the analyses.
^bAdjusted for literacy, marital status, length of injecting career, frequency of injecting, usual place for procuring new needles/syringes and number of female sex partners.

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